Answers
Answer:
Meiosis and Genetic Variation. ... When cells divide during meiosis, homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other. This is called independent assortment. It results in gametes that have unique combinations of chromosomes.
Explanation:
Related Questions
Staphylococcus aureus (staph) is a type of bacteria found on people's skin. These bacteria, along with most other types of bacteria, are usually harmless. They can occasionally cause serious infections that can lead to sepsis or death. Methicillin-resistant Staphylococcus aureus (MRSA) is difficult to treat because of resistance to some antibiotics.
Use your knowledge of natural selection to explain how selection for methicillin-resistance in Staphylococcus aureus (MRSA) occurs. Focus on explaining the specifics of how this happens by talking about the variation that has to be present, the characteristics of that variation, impacts on fitness and success of the next generation. Your answer will not require any additional research and will only be a short paragraph based on what you think must be going on here based on other examples of natural selections
Answers
Methicillin-resistant Staphylococcus aureus (MRSA) is the result of natural selection. This occurs when there is variation in the population.
What is population ?Population is the total number of people or organisms inhabiting a particular area. It is the size of a particular group or community. Population size is determined by the number of individuals that occupy an area or region. The population of a particular area or region is determined by the number of births and deaths, as well as migration. Population is a key factor in determining the availability of resources, the level of economic activity, and the environment. Population size affects the level of competition for resources, and the availability of services, such as healthcare and education.
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Where are the A, B and RH antigens located
Answers
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
When an organism joins a new population, its genes become part of the new population's pool. How does this gene flow affect populations? Question 1 options: Gene flow between populations has no effect on the gene pool. Gene flow between populations increases genetic diversity over time. Gene flow increases the chance for reproductive isolation which can cause new species to form. Gene flow between populations decreases genetic diversity over time.
Answers
Whithin a single population, as migration and successfull reproduction occur, Gene flow between populations increases genetic diversity over time. Option B.
What is gene flow?
Gene flow is an evolutive force, together with natural selection and genetic drift.
Gene flow occurs in populations that express migration. This is, individuals from one population migrate to the other and vice versa.
For gene flow to occur, migration is not enough. Successful mating events must also occur, through which individuals from one population get to mate with individuals with the other population, and produce fertile offspring.
This is how the following generations will get genes from both populations.
Gene flow has the opposite effects of genetic drift.
• It increases variability within each population
• It reduces genetic heterogeneity between populations
Different populations experiencing gene flow tend to be more similar genetically because they are interchanging genetic material.
Assuming we are making reference to a single population, the correct option is B) Gene flow between populations increases genetic diversity over time ⇒ within a population.
As new individuals enter the population and reproduce, new genes are part of the population genome, increasing its diversity.
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Lab 9: Kingdom Plantae (12 Points) Introduction Plants are defined as multicellular eukaryotes with cell walls made of cellulose. Nearly all of them contain chlorophyll and carry out photosynthesis. Being photoautotrophs, plants can make all their own organic molecules. All they need is energy from light, carbon from carbon dioxide, water, and various elements (like N, P, K, Ca, and Mg). Water can be absorbed into a plant by osmosis, but it can only travel a few cells away from a source. In order to transport water long distances, some groups of plants have specialized tissues (vascular tissue). Plants without vascular tissues must live in wet areas and cannot grow very tall. Consult the plant lecture, slides, and links on Canvas for more information on defining features of plants and groups of plants. Part 1: Comparing major groups of plants Within the plant kingdom, biologists separate plants into four major groups: bryophytes (mosses and llverworts), pteridophytes (ferns), gymnosperms (conifers), and anglosperms (flowering plants). The separations are primarily based on anatomical structures, particularly the ones they use to transport water in their bodies, and on the different ways in which plants reproduce sexually. **What to submit for this activity** Use the information from lectures, the textbook, and any other sources of your choice to fill out the table comparing the four major groups of plants. Submit your completed table as part of what you upload to the Canvas lab assignment for this week. (5 Points) What are one or more examples? Do they have vascular tissue (xylem and phloem)? Which part of the life cycle/generation is more dominant in structure? (Gametophyte or Sporophyte?) What other characteristics can help you identify this group? (List at least 2 or more) Mosses and liverworts (Bryophytes) Ferns and relatives (Pteridophytes) Conifers (Gymnosperms) Flowering plants (Angiosperms)
Answers
Mosses and liverworts (Bryophytes):
- Example: Mosses (e.g., Sphagnum moss) and liverworts (e.g., Marchantia)
- Vascular tissue: No true vascular tissue (lack xylem and phloem)
- Dominant structure: Gametophyte generation is more dominant in structure
- Other characteristics:
1. Lack of true roots, stems, and leaves; instead, they have rhizoids.
2. Reproduce via spores and require water for fertilization.
Ferns and relatives (Pteridophytes):
- Example: Ferns (e.g., Polypodium) and horsetails (e.g., Equisetum)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Reproduce via spores produced in structures called sporangia.
2. Exhibit well-developed leaves called fronds and often have underground stems (rhizomes).
Conifers (Gymnosperms):
- Example: Conifers such as pine trees (e.g., Pinus) and spruces (e.g., Picea)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce seeds in cones.
2. Typically have needle-like or scale-like leaves and are often evergreen.
Flowering plants (Angiosperms):
- Example: Flowering plants include roses (e.g., Rosa), sunflowers (e.g., Helianthus), and oak trees (e.g., Quercus)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce flowers for sexual reproduction.
2. Seeds are enclosed within fruits.
3. Have a wide range of forms, from small herbs to large trees.
Please note that the examples provided are just a few representatives of each plant group, and there are many more species within each group.Mosses and liverworts (Bryophytes):
- Example: Mosses (e.g., Sphagnum moss) and liverworts (e.g., Marchantia)
- Vascular tissue: No true vascular tissue (lack xylem and phloem)
- Dominant structure: Gametophyte generation is more dominant in structure
- Other characteristics:
1. Lack of true roots, stems, and leaves; instead, they have rhizoids.
2. Reproduce via spores and require water for fertilization.
Ferns and relatives (Pteridophytes):
- Example: Ferns (e.g., Polypodium) and horsetails (e.g., Equisetum)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Reproduce via spores produced in structures called sporangia.
2. Exhibit well-developed leaves called fronds and often have underground stems (rhizomes).
Conifers (Gymnosperms):
- Example: Conifers such as pine trees (e.g., Pinus) and spruces (e.g., Picea)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce seeds in cones.
2. Typically have needle-like or scale-like leaves and are often evergreen.
Flowering plants (Angiosperms):
- Example: Flowering plants include roses (e.g., Rosa), sunflowers (e.g., Helianthus), and oak trees (e.g., Quercus)
- Vascular tissue: Have true vascular tissue (xylem and phloem)
- Dominant structure: Sporophyte generation is more dominant in structure
- Other characteristics:
1. Produce flowers for sexual reproduction.
2. Seeds are enclosed within fruits.
3. Have a wide range of forms, from small herbs to large trees.
Please note that the examples provided are just a few representatives of each plant group, and there are many more species within each group.
What stage of meiosis is Mendel's law of segregation?
Answers
Mendel's law of segregation is in the phase anaphase of meiosis.
Anaphases I and II of meiosis are where Mendel's Segregation law takes place. The homologous chromosomes are sorted into two daughter nuclei with their different versions of each gene during this stage of the first meiotic division.
The first division of meiosis, during which the homologous chromosomes with their unique versions of each gene are divided into daughter nuclei, serves as the physical basis for Mendel's law of segregation. During meiosis, the two different alleles for a single gene segregate as the chromosomes divide into several gametes, resulting in each gamete acquiring one of the two alleles.
In Mendel's experiments, meiosis-induced segregation and independent assortment in the F1 generation result in the F2 phenotypic ratios that Mendel observed.
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one way in which stigma is adapted for reproduction in plants
Answers
Answer:
In a flower, this landing zone and entrance is the stigma. It plays a pivotal role in reproduction. Most stigmas are adapted to trap pollen with hairs, flaps and other surfaces to increase their efficiency. Most stigmas are covered with a waxy, sticky substance.
In corn plants, the allele for tall stalks (T) is dominant over the allele for short stalks (t). Suppose a cross between a tall corn plant and a short corn plant produces 43 tall offspring and 47 short offspring. If one of the tall offspring is crossed with one of the short offspring, what ratio of genotypes would be most likely in their offspring
Answers
Complete question:
In corn plants, the allele for tall stalks (T) is dominant over the allele for short stalks (t). Suppose a cross between a tall corn plant and a short corn plant produces 43 tall offspring and 47 short offspring. If one of the tall offspring is crossed with one of the short offspring, what ratio of genotypes would be most likely in their offspring
A. 1 TT : 2 Tt : 1 tt
B. 3 Tt : 1 tt
C. All Tt
D. 1 Tt : 1 tt
Answer:
The offspring genotype ratio would be 1 Tt : 1 tt (Option D)
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
In mitosis, daughter cells are formed duringSelect one:a.anaphaseb.interphasec.metaphased.telophase
Answers
The daughter cells are fully formed in the last phase of mitosis, which is telophase. In this phase, it is formed the new nucleus of both daughter cells, and after that, in the cytokinesis phase, the cytoplasm is divided equally to each cell, completing the process.
what is the cause of iron deficiency anemia
Answers
Answer:
here u go mate
Explanation:
Iron deficiency anemia is typically caused by a lack of iron in the body, which can be due to a variety of factors such as poor diet, blood loss, or difficulty absorbing iron.
Identify the following statement as qualitative (Qual) or quantitative (Quant)
Answers
Answer: (1) Quantitive (2) Qualitative (3) Quantitive (4) Quantitive (5) Qualitative
Explanation: Quantity is the amount or number of things, such as '3 eggs' or '5 notebooks'
Quality is more traits and characteristics, such as 'blue eyes' or 'soft pillow'
Hope this helps!
Which circuit would have the most electrical power?
OA 12A
V0.14 V
oBi22A
0.19 V
O20A
V0.17V
O116A
V025y
025v
Answers
Answer:
the answer is oa 12a
\
Explanation:
The number of rhinoceroses has decreased to near extinction. How are rhinoceroses classified under the Endangered Species Act?
Answers
Answer:
Rhinos are A endangered
Which action is a response to external stimuli?drinking when thirstyeating when hungrybreathing hard when exercising because of a drop in oxygen levelswearing sunglasses to protect eyes from UV rays
Answers
wearing sunglasses to protect eyes from UV ray is reasponse to an external stimuli.
the UV rays from the sun are the external stimuli, while the oter option are internal stimuli
NEED HELP NOW!!!!!!! WILL GIVE BRAINLEIST!!!!!!
In this project, you will make a graphic to help you understand who the producers and consumers are. You can make your graphic in any way that makes sense to you; a bulleted list, a pyramid, a Venn diagram, etc. Your graphic should be clear and easy to understand. You can create it in a Word document, Power Point Presentation, Publisher, or any other graphics program that you are familiar with. Do additional research if you need to find out about any words on the list.
Click here to make a printout of a pyramid.
From the following list, Separate out the producers. Make sure you have clearly labeled this group.
acorns
deer
mice
apple
trees
eagles
owls
cabbage
frogs
potatoes
carrots
grains
rabbits
chickens
grass
squirrels
corn
horses
wolves
cows
lettuce
worms
Next, separate out the plant eating consumers. These are the ones that eat only producers. Make sure to label this group clearly. Last, separate out the predators, making sure to label this group clearly in your presentation. After completing the lab, respond to the following questions:
Were there more producers than consumers and more consumers than predators on your pyramid? Why or why not? Were there any that could have fit in more than one category?
A mouse eats 100 times his own weight in grain in a lifetime. You can see that plants must produce a great amount of food for just one mouse. What do you think would happen if grain was no longer available for the mouse to eat? How would it affect other organisms in your ecosystem?
Answers
Answer:
Producers:
Acorns (produced by oak trees)Apples (produced by apple trees)Cabbage (a leafy green vegetable cultivated as an annual plant)Potatoes (tubers produced by the potato plant)Carrots (root vegetables, usually orange in color)Grains (wheat (produced by wheat plants), barley (produced by barley plant), etc.)Grass (produces seeds and is a primary food source for many herbivores)Corn (a cereal plant that yields large grains, or kernels, set in rows on a cob)Lettuce (a leafy green plant grown for its often-crunchy leaves)Trees (producing oxygen as a byproduct of photosynthesis and also yielding food items like fruit and nuts)Plant-eating Consumers (Herbivores):
Deer (eat various plants and fruits, they are herbivores)Rabbits (eat grass, roots, and leafy greens; they are herbivores)Horses (eat grass and grains; they are herbivores)Cows (eat grass and grains; they are herbivores)Squirrels (primarily eat acorns, grains, seeds, and fruits)Mice (eats mainly plants, seeds, grains, fruits, and vegetables)Chickens (often fed grains, vegetables, and fruits)Predators (Carnivores):
Eagles (predatory birds that feed on smaller animals; they are carnivores)Owls (nocturnal birds that prey on small mammals, birds, and insects; they are carnivores)Wolves (carnivorous mammals that prey on deer, rabbits, and other smaller animals; they are carnivores)Frogs (amphibians with a carnivorous diet, eating insects, small mammals, small fish, spiders, and worms)Detritivores (although not mentioned in the question, they are crucial in every ecosystem):
Worms (in general, worms are classified as detritivores).To answer your questions:
In this bulleted list, there are more producers than consumers and more consumers than predators. This is typical of most ecological pyramids because each level depends on the one below it for food. There are always fewer organisms at the top of the pyramid because energy is lost at each level due to the laws of thermodynamics.For example, squirrels can be considered both plant-eating consumers (as they eat acorns, tree bark, and fruits) and potential predators (as they can be omnivorous, eating small insects and bird eggs). Similarly, mice can be categorized as plant-eating consumers, but they can also be omnivorous, consuming insects and occasionally the remains of deceased animals.If grain was no longer available, the mouse population would be significantly affected. Mice rely heavily on grains for their energy and nutrition. If this food source were suddenly unavailable, the mice would either need to find another food source, like fruits or vegetables, or their population would likely decrease due to starvation. This change would also impact other levels of the ecosystem. Predators who rely on mice as a food source, like owls and snakes, would find fewer prey available, which could lead to a decrease in their populations as well. Conversely, without mice consuming as much grain, the grain population might increase. However, other herbivores who also eat grains might proliferate, taking advantage of the increased food source and maintaining a balance. This hypothetical situation demonstrates the delicate balance of ecosystems and the potential cascading effects that can occur from changes at any level of the food web.What will a cell that passes the restriction point mostly undergo?
Answers
Answer:
The point at G1 at which commitment occurs and the cell no longer requires growth factors to complete the cell cycle has been termed the restriction (R) point. The R point has been temporally mapped at 2–3 hours prior to the onset of DNA synthesis.
Life on Earth likely evolved from a common ancestor that existed approximately 3.5 billion years ago. Which of these is evidence that all life on Earth shares common features? Select ALL that apply.
Responses
A All life on Earth has DNA as the molecule of heredity.All life on Earth has DNA as the molecule of heredity.
B All life on Earth is made up of cells with a rigid cell wall.All life on Earth is made up of cells with a rigid cell wall.
C All life on Earth performs transcription and translation in a similar fashion.All life on Earth performs transcription and translation in a similar fashion.
D All life on Earth contains mitochondria for cellular energy.All life on Earth contains mitochondria for cellular energy.
E All life on Earth has cells surrounded by membranes.
Answers
the evidence that all life on Earth shares common features is that All life on Earth performs transcription and translation in a similar fashion. and All life on Earth has cells surrounded by membranes.
What is transcription and translation?
The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is created when segments of DNA are translated into RNA molecules that can encode proteins. Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum create proteins following the transcription of DNA to RNA in the cell's nucleus. The entire process is known as gene expression.
What is cell membrane?
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment. The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
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PEASE HELP PLEASE!? List and describe the substrates and products of TCA cycle
Answers
Acetyl CoA and oxaloacetate are the substrates of TCA cycle and GTP, 3NADH, FADH2, 2\(CO_{2}\) are the 7 products that are yielded during the TCA cycle.
Explain the TCA cycle.The second stage present of cellular respiration is a three-step process through which living cells break down organic fuel molecules while in the presence of oxygen to obtain the entire energy that they require to grow and divide, is known as the tricarboxylic acid cycle, also known as the Krebs cycle or the citric acid cycle.
What phases make up the TCA cycle?The TCA Cycle in Steps can be stated as
Oxaloacetate, a four-carbon chemical, and acetyl Co-A mix, releasing the CoA group to form the six-carbon molecule known as citrate.
Citrate is transformed into its isomer, isocitrate, in the subsequent step.
Isocitrate is oxidized in the third phase.
The creation of citric acid, which has three (COOH) carboxylic groups, triggers the Krebs cycle processes.
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Why are infrared waves particularly useful in the study of the universe?
Answers
Answer:
Infrared waves are particularly useful in the study of the universe because they can penetrate dust clouds and allow astronomers to observe objects that would be otherwise obscured in visible light. Infrared radiation is also emitted by cooler objects, such as planets and gas clouds, which are difficult to detect in other wavelengths. Additionally, infrared radiation can provide insights into the chemical composition and temperature of objects in space.
Pikas grow thick fur in winter, and their small bodies conserve heat. Kangaroo rats
do not sweat, and oily fur helps them conserve moisture. They get water from seeds.
Predict what would happen if a pika and a kangaroo rat switched environments.
Answers
A pika's adaptation to its habitat includes growing thick fur in winter to conserve heat. In contrast, the desert environment where the kangaroo rat lives is very hot and dry; therefore, its oily fur helps to conserve moisture rather than heat. The pika's thick fur would make it too hot in the desert environment, whereas the kangaroo rat's oily fur would not be sufficient to conserve moisture in the colder environment.
Additionally, pikas get their water from consuming snow whereas kangaroo rats get water from seeds. In a colder environment, snow is readily available, but in the desert, there is no snow. The kangaroo rats might not be able to survive in colder environments if they do not have access to water, and the pika might not be able to survive in the desert without access to snow.
Therefore, it is likely that the adaptations that allowed the pika and the kangaroo rat to survive in their respective environments would make it difficult for them to survive if they were to switch habitats.
What is directly related to the function of a cell?
Answers
Answer:
Cells have many structures inside of them called organelles. These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA.
Explanation:
Which of the following is an example of a protein?
Group of answer choices
hormones and fats
enzymes and antibodies
RNA and DNA
starch and glucose
Answers
Answer:
RNA And DNA
Explanation:
because it gives protein as ew need
Archaea and eubacteria are primarily different in _____.
are believed to be the ancestors of the protists and first eukaryotes
Answers
Archaea and eubacteria are primarily different in their genetic and biochemical characteristics.
While both archaea and eubacteria are single-celled microorganisms, they exhibit distinct differences in their genetic makeup, cell membrane structure, and metabolic processes. Here are some primary differences between the two:
1. Genetic Makeup: Archaea have unique genetic sequences that differ from both eubacteria and eukaryotes. They possess genes and genetic machinery that are distinct from other organisms, making them a separate domain of life.
2. Cell Membrane Composition: Archaea have cell membranes composed of unique lipids called isoprenoids, which are different from the fatty acid-based lipids found in eubacteria and eukaryotes. This structural difference allows archaea to thrive in extreme environments, such as hot springs and acidic environments.
3. Metabolic Processes: Archaea exhibit diverse metabolic pathways and can utilize a wide range of energy sources, including methane, sulfur, and even sunlight. Eubacteria, on the other hand, encompasses a broader range of metabolic diversity and can be found in various environments, including soil, water, and living organisms.
Regarding the second part of your statement, archaea and eubacteria are not considered ancestors of protists and first eukaryotes. The origin of eukaryotes is still an area of scientific inquiry and debate. However, current scientific understanding suggests that eukaryotes likely evolved from a symbiotic relationship between prokaryotic cells, including both archaea and eubacteria, giving rise to complex cellular structures and internal compartments. This process is known as endosymbiotic theory. Protists, which are a diverse group of eukaryotic microorganisms, likely evolved later in the course of evolution.
What type of gene is only expressed if there are two genes of that type
Answers
Answer:
Dominant PhenotypeExplanation:
A dominant phenotype will be expressed when at least one allele of its associated type is present, whereas a recessive phenotype will only be expressed when both alleles are of its associated type. However, there are exceptions to the way heterozygotes express themselves in the phenotype.
Answer:
Recessive Gene
Explanation:
The recessive gene is only expressed if there are two alleles. A recessive allel will only produce a phenotype if there is no dominant allel present. Recessive alleles are represented by lowercase letters, while dominant allels are uppercase.
Question 110 pts
Microtome sections can be made thin enough to section a human hair across its breadth, with section thickness between 50 nm and 100 μm.
Group of answer choices
True
False
Flag question: Question 2
Question 210 pts
When dealing with cleaning and maintenance of a microtome, you should clean it after every use.
Group of answer choices
True
False
Flag question: Question 3
Question 310 pts
Microtomes should only be cleaned annually regardless of how often it's used.
Group of answer choices
True
False
Flag question: Question 4
Question 410 pts
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Inspect tubing and connections.
Group of answer choices
Daily
Weekly
Quarterly
None of the Above
Flag question: Question 5
Question 510 pts
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Check motor speed.
Group of answer choices
Daily
Weekly
Quarterly
None of the Above
Flag question: Question 6
Question 610 pts
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Flush tubing with a 1:10 solution of household bleach (0.5% Sodium Hypochlorite)
Group of answer choices
Daily
Weekly
Quarterly
None of the Above
Flag question: Question 7
Question 710 pts
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Check saline fill volume
Group of answer choices
Daily
Weekly
Quarterly
None of the Above
Flag question: Question 8
Question 810 pts
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Clean the rotor and solenoid plunger.
Group of answer choices
Daily
Weekly
Quarterly
None of the Above
Flag question: Question 9
Question 910 pts
In the event of a power failure, the cover interlock has a mechanical bypass for sample retrieval. To bypass the interlock, simply use a flat tip screw driver and pry the top open.
Group of answer choices
True
False
Flag question: Question 10
Question 1010 pts
A Centra W Cell Washing Centrifuge should be replaced every two years.
Group of answer choices
True
False
Answers
Bro were in the same biom class at st philips . imma tell on you.
Microtome sections can be made thin enough to section a human hair across its breadth, with section thickness between 50 nm and 100 μm.
True
When dealing with cleaning and maintenance of a microtome, you should clean it after every use.
Group of answer choices
True
Microtomes should only be cleaned annually regardless of how often it's used.
Group of answer choices
False
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Inspect tubing and connections.
None of the Above
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
x
Check motor speed.
Quarterly
Flag question: Question 6
Question 610 pts
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Flush tubing with a 1:10 solution of household bleach (0.5% Sodium Hypochlorite)
Group of answer choices
Daily
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Check saline fill volume
Group of answer choices
Daily
When performing maintenance on a Centra W Cell Washing Centrifuge, Identify if the service performed is daily, weekly, quarterly or not at all.
Clean the rotor and solenoid plunger.
Daily
In the event of a power failure, the cover interlock has a mechanical bypass for sample retrieval. To bypass the interlock, simply use a flat tip screw driver and pry the top open.
False
A Centra W Cell Washing Centrifuge should be replaced every two years
False
Explanation:
use the following words in a sentence to explain how volcanoes are formed.
convect, magma, mantle, core, tectonic plates.
Answers
Which statement bestexplains the effect an adaptation has on an organism?
It increases an organism's chance to survive.
It increases an organism's size and weight.
It decreases an organism's chance to reproduce.
It decreases an organism's ability to find food.
Answers
A trait that evolved and was selected by natural selection for its current function is known as an adaptation. Any hereditary traits that improve an organism's likelihood of survival benefit from adaptations. Option C is the appropriate response in this case.
In order to survive in their environment and function better under the conditions there, plants and animals have modified their physical characteristics or behaviours. The strongest and most advantageous traits or adaptations are handed on to the following generation, ensuring the survival of the plants or animals. Examples of adaptations include a camel's capacity for water storage, polar bears' use of their white fur to blend into the ice, and chameleons' capacity to change colour to evade predators. The process of change that occurs to animal and plant species over a long period of time, or how plant and animal species have evolved from one another, is known as evolution.
Therefore, we can conclude that adaptations aid any hereditary traits that improve an organism's chances of survival.
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Immediately after an embryo forms, it begins to replicate new cells. What is the most likely type of cells that form during the first few divisions?
pluripotent cells
multipotent cells
totipotent cells
oligopotent cells
Answers
Answer:
Multiponent cells
Explanation:
Multiponent cells are most likely to form after the first few divisions, if u dont belive me check your lesson.
trust my answers if YOU want to.
The most likely type of cells that form during the first few divisions is referred to as the multipotent cells.
Multipotent cells have the ability to replicate and differentiate into more
than one type of cells.The differentiation brings about specialization of the
cells which involves a group of cells which are formed having similar
structures and being able to perform similar functions.
This ensures that the human cells have their unique structure and functions
thereby enabling them work together to achieve a common goal.
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Basal metabolic rate is the body's resting rate of a drive reduction. b insulin secretion. c homeostasis. d energy expenditure. e motivation.
Answers
Answer:
d energy expenditure.
Explanation:
Basal metabolic rate is the body's resting rate of energy expenditure.
Simply stated, Basal metabolic rate describes the amount of calories that is required to keep the human body to function properly and perfectly at rest.
Calorie can be defined as a standard unit used for the measurement of the amount of energy present in foods and drinks.
Basal metabolic rate is the body's resting rate of a drive reduction is energy expenditure.
The BMR not entirely settled by roundabout calorimetry by estimating Q O 2 , the pace of oxygen utilization. In contrast to the BMR, the determination of the resting energy expenditure (REE) does not require a 12-hour fast.
Both BMR and RMR show the quantity of calories an individual consumes very still. If you're trying to control your weight, this information may be helpful. Calculating a person's BMR or RMR can help them determine how many calories they should cut out each day if they are trying to lose weight.
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When a deer hears a sound in the forest such as crackling footsteps it immediately freezes and bolts through the bushes this is an example of the. Response
Answers
Answer:
Conditioned response
Explanation:
When a stimulus is generated on the basis of learning behaviour of an individual then it is known as conditioned response. While unconditioned responses are produced naturally.
In this question, when the deer heard the crackling noise, he could relate it with the upcoming danger and hence in order to save himself he hides behind the bushes.
How does the atmosphere help to make Earth livable? Check all that apply.causes the seasonscontains oxygenprovides warmthcreates important nutrientsblocks harmful energy from the Sun
Answers
The Earth atmosphere is livable because it contains oxygen, keeps the temperatures in levels that make possible to the living beings survive, protects from harmful ultraviolet solar radiation, and creates pressure that make possible that liquid water exist in the surface of the planet. Therefore, the options that are true to the functions of the atmosphere to make possible the living being survive in the Earth are:
- contains oxygen;
- provides warmth;
- blocks harmful energy from the Sun.
The others are not apply because of the fact that, the seasons are related to the Earth moviment and not only by atmosphere conditions, and there is others factor related to the creation of important nutrients (that can occurs in atmosphere) but are not created by the atmosphere.