Answer:
TAGCAGTCC
Explanation:
Plant cells placed in HYPOTONIC
conditions will remain
A. turgid
C. plasmolyzed
B. wilted
D. flaccid
Answer:
option no. C. is the correct answer.
which term most precisely describes the cellular process
Answer:
Metabolism(sum of all the chemical reaction)
What role did the detergent play when added to the strawberry solution?
Answer:
when added the salt and detergent mixture to the smashed strawberries, the detergent helped lyse (pop open) the strawberry cells, releasing the DNA strands could gather and clump,making it easier for you to see them.
Describe how the availability of these genetic test might affect the frequency of genetic diseases in individuals and populations
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Genetic sequencing allows us to determine the exact location of the nucleotides in the DNA molecule, which means that we can "select" certain traits (such as an aversion to a disease
A greenhouse – where plants are grown – is a model for Earth’s greenhouse effect. The reason greenhouse gases raise the temperature of Earth’s atmosphere is similar to, but not identical to, the way that the glass in a greenhouse raises the temperature inside. Using the greenhouse model as an analogy, the glass walls of the greenhouse trap the heat.
What traps the heat in Earth’s atmosphere to keep the heat from radiating into space?
A. Greenhouse gases
B. Global warming
C. Ozone hole
D. Heat input
Answer:
Explanation:
A. Greenhouse gases I believe
how do you think the groundwater Supply different from a dry hot area like Arizona to a cooler moist area like Oregon?
The water table is at the surface of the Earth in humid areas, but it can be tens to hundreds of metres or more below the surface in arid areas.
What is groundwater?Water that is found underground in saturated regions beneath the surface of the earth is known as groundwater.
The water table is the term for the saturated zone's upper surface. Contrary to popular perception, underground rivers are not created by groundwater.
In humid regions, the water table is at the surface of the planet; but, in arid regions, it can be tens to hundreds of metres or more below the surface.
Arizona's water usage is currently lower than it was in 1957 thanks to improved conservation practises and a decline in irrigation water use.
Since the beginning of our state's history, Arizona has never required municipal or residential restrictions on uses, even though we have five times (5x) as much water stored as we consume.
Thus, the groundwater Supply differ from a dry hot area like Arizona to a cooler moist area like Oregon.
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In what phase of meiosis are tetrads of homologous pairs lined up along the center of the cell and attached to the spindle fibers?
Anaphase I
Metaphase II
Metaphase I
Anaphase II
Answer:
Metaphase I
Explanation:
Hope this helps.
Each kidney contains ____ of nephrons. Each is _____ but extremely _____, much like a neuron(but shorter).
Answer:
One million.
Explanation:
Each kidney contains about one million of nephrons. The nephron is the structural and functional unit of the kidney means that our kidney is made up of nephrons. The main function of nephron is to produces urine in the process of removing waste, toxic and excess substances from the blood. kidney is responsible for the filtration of blood by removing all the waste materials and taken these waste materials to the excretory organs in order to remove from the body.
The plasma membrane is composed of a ____________ layer of phospholipids. The ____________ ends of the phospholipids face the extracellular and intracellular sides. The ____________ ends of the phospholipids face each other and form the core of the membrane. The inner part of the membrane is ____________ . The polar regions of the phospholipids are ____________ . The proteins and phospholipids ____________ move laterally through the membrane.
Answer:
1. double
2. polar
3. non-polar
4. hydrophobic
5. hydrophilic
6. can
Explanation:
Which is an example of a neutral mutation? one that causes abnormal human skin cells to reproduce and divide rapidly, producing a mole one that increases the size of a seed pod, allowing the seeds inside to be spread and eventually grow one that results in smooth plant leaves, while not changing the function of the leaves one that brightens the feathers of a bird, making it easier for other animals to see it
Answer:
c
Explanation:
Answer: c
Explanation:
not because I got it myself but because the other dude is right
Mammals produce heat by using the endogenous uncoupling agent:A) the protein cytochrome c.B) the protein thermogenin.C) a modified form of the F0F1 ATPase.D) the small molecule 2,4-nitrophenol synthesized by the cell.E) the protein thioredoxin.
Mammals produce heat by using the endogenous uncoupling agent of the protein thermogenin. The correct answer is B.
Thermogenin, also known as uncoupling protein 1 (UCP1), is a unique protein found in brown adipose tissue (BAT) of mammals. Its primary function is to facilitate heat production, or thermogenesis, by uncoupling the oxidative phosphorylation process within the mitochondria.Here's a step-by-step explanation of how thermogenin works to produce heat:Thermogenin is activated by cold temperatures or other stimuli, such as norepinephrine released in response to cold exposure.Upon activation, thermogenin is inserted into the inner mitochondrial membrane, where it forms a channel for protons (H+).The flow of protons through this channel allows them to bypass the ATP synthase complex (F0F1 ATPase), which is responsible for generating ATP during oxidative phosphorylation.By bypassing the ATP synthase complex, the energy derived from the electron transport chain is released as heat instead of being used to synthesize ATP.This increase in heat production helps to maintain body temperature and protect against hypothermia.In conclusion, the endogenous uncoupling agent responsible for heat production in mammals is the protein thermogenin, which works by disrupting the normal process of oxidative phosphorylation and releasing energy as heat instead of ATP. This mechanism is essential for maintaining body temperature and adapting to cold environments.For more such question on thermogenin
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genetic counselors can recommend genetic tests and intepret the results of these tests for individuals. in which instances can a genetic counselor in the united states recommend a genetic test? select all of the statements that apply.
Genetic diseases that run in your family or your partner's family, history of infertility, numerous miscarriages, or stillbirths, and your capacity to become pregnant are all topics that can be discussed during genetic counselling before becoming pregnant.
You can learn more about genetic diseases and how they might impact you or your family through genetic counselling. previous pregnancy or a child with a genetic or birth abnormality.Your personal and family health history will be gathered by the genetic counsellor or other healthcare provider. They can use this information to determine how likely it is that you or your family member has a genetic problem.Based on this information, the genetic counsellor can help you decide whether a genetic test could be good for you or your relative.
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What is the diameter of a capillary tube in which mercury?
The diameter of a capillary tube is 2.5135m
What is capillary tube?Capillary tubes are those with very small diameters (narrow cylindrical tubes). When these small tubes are immersed in a liquid, the liquid in the capillary either rises (or lowers) relative to the surrounding liquid level. This phenomenon is known as capillary action, and such tubes are known as capillary tubes.
Rise in capillary is given by
h = \(\frac{2\times \sigma \times cos\theta}{\rho \times r\times g}\)
σ = surface tension
ρ = density of liquid
r = inner radius
h = height
θ = contact angle made by the liquid meniscus with the capillary’s surface.
Given,
h = 1.21 cm
σ = 540 × 10 N/m
θ = 140°
ρ = 13.6 × 10³ Km
Substituting the value in equation,
h = \(\frac{2\times \sigma \times cos\theta}{\rho \times r\times g}\)
r = \(\frac{2\times 540\times10\times cos140}{13.6\times10^3\times1.21\times10^-^2\times10}\)
r = 50.27 × 10⁻¹m
d = 2.5135m
The diameter of a capillary tube is 2.5135 m.
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Which correctly lists the digestive system careers from the least amount of formal education to the most?
•dietitian, endoscopy technician, orthodontist
•gastroenterologist,
dietitian, colorectal surgeon
•orthodontist, colorectal surgeon, gastroenterologist
•endoscopy technician, orthodontist, gastroenterologist
Answer:
endoscopy technician, orthodontist, gastroenterologist
Answer:
endoscopy technician, orthodontist, gastroenterologist
Explanation:
took the test.
structures in organisms that used oxygen well were
Organisms possess specialized structures for efficient oxygen utilization. Gills in aquatic organisms, lungs in terrestrial vertebrates, and tracheal systems in insects enable oxygen exchange. Birds have lungs and air sacs for efficient respiration. Hemoglobin in red blood cells transports oxygen. These adaptations optimize oxygen utilization for survival.
Structures in organisms that are well-adapted for efficient oxygen utilization include:
Gills: Gills are respiratory organs found in aquatic organisms such as fish. They have a large surface area and are composed of thin filaments or plates with numerous blood vessels. Gills allow for efficient extraction of oxygen from water by facilitating the exchange of gases.Lungs: Lungs are respiratory organs found in terrestrial vertebrates, including mammals, birds, and reptiles. Lungs consist of a complex network of bronchial tubes and millions of tiny air sacs called alveoli. The large surface area and the thin walls of the alveoli facilitate the exchange of oxygen and carbon dioxide between the air and the bloodstream.Tracheal System: Insects have a network of tubes called tracheae that deliver oxygen directly to cells. The tracheal system enables efficient oxygen transport throughout the body, allowing insects to have a high metabolic rate and perform activities such as flying.Spiracles: Spiracles are small openings found on the surface of some insects. They allow for the exchange of gases between the external environment and the tracheal system. By opening and closing the spiracles, insects can control the flow of air and regulate oxygen uptake.Lungs and Air Sacs (in birds): Birds have a unique respiratory system that includes both lungs and air sacs. Air sacs act as bellows, ensuring a unidirectional flow of air through the lungs, allowing for efficient oxygen uptake and carbon dioxide removal. This adaptation is particularly important for the high metabolic demands of flying.Hemoglobin: Hemoglobin is a protein found in red blood cells that binds to oxygen molecules. Its structure enables efficient oxygen transport in the bloodstream, ensuring oxygen is effectively delivered to tissues throughout the body.These structures and adaptations are examples of how organisms have evolved to maximize their oxygen utilization, allowing them to thrive in their respective environments.
how are selective media used in studying bacterial recombination? select the two correct statements. how are selective media used in studying bacterial recombination?select the two correct statements. selective media can be used to identify bacteria that have acquired a resistance gene and are recombinant. selective media can be used to identify bacteria that contain a free or integrated f plasmid. selective media can be used to identify bacteria that have a mutation in a metabolic pathway by looking for mutants that are unable to complete normal metabolic processes. selective media can be used to identify bacteria that have a mutation associated with in flagellum proteins or proteins involved in flagellum movements by looking for mutants that are unable to move. selective media can be used to supply rare nutritional ingredients to the recombinant bacteria.
The correct statements about selective media are:
Selective media is used to identify bacteria that have a resistance gene and are also recombinant.Selective media is used to identify bacteria that have a mutation in a metabolic pathway by looking for mutants that are not able to complete normal metabolic processes.Recombinants are the host cells that have been integrated with a gene of interest from an outside source. These recombinants may either clone the genetic material or produce the product from it in the form of proteins.
Mutation is any change in the normal genetic sequence of DNA. The mutation can be in a single nucleotide or at a stretch of various nucleotides. These are termed as point and frameshift mutations respectively.
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Please give 5 similarities between oxygen cycle and water cycle,and 5 differences between oxygen cycle and water cycle
The oxygen cycle involves the movement of oxygen through the atmosphere, biosphere, and lithosphere, while the water cycle involves the movement of water through the atmosphere, hydrosphere, and lithosphere.
Both cycles involve the movement of matter through various components of the Earth's environment, are vital to the survival of living organisms, by the energy of the sun, involve the transformation of matter from one state to another, and influenced by human activities, such as deforestation and pollution.
The oxygen cycle is largely driven by photosynthesis, while the water cycle is driven by evaporation and precipitation. Oxygen is produced by plants during photosynthesis, while water is not produced by any living organism. The oxygen cycle does not involve a significant change in the chemical composition of the element, while the water cycle involves the transformation of water from one chemical form to another. The oxygen cycle is relatively fast, with oxygen molecules constantly cycling through the environment, while the water cycle is slower and can take years for water molecules to complete a full cycle.
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"The {{c1::sympathetic nervous system}} is the ""fight or flight"" system and restricts bloodflow to the digestive and excretory systems"
The sympathetic nervous system is the "fight or flight" system and restricts blood flow to the digestive and excretory systems.
The sympathetic nervous system is a part of the autonomic nervous system, which controls involuntary bodily functions. When faced with a perceived threat, the sympathetic nervous system activates various responses to help the body cope with the situation. This includes releasing adrenaline and norepinephrine, hormones that increase heart rate and blood pressure.
As a result, more blood is directed towards the muscles, heart, and brain to enhance physical and mental performance during the fight or flight response. To achieve this, the sympathetic nervous system restricts blood flow to the digestive and excretory systems. This is because these systems are not essential for immediate survival and can be temporarily compromised to conserve energy and resources.
By constricting blood vessels in the digestive and excretory systems, the body focuses on responding to the threat at hand. Once the danger has passed, the parasympathetic nervous system, responsible for the "rest and digest" response, takes over to restore normal blood flow and resume the functioning of the digestive and excretory systems. In summary, the sympathetic nervous system's fight or flight response prioritizes survival by diverting resources away from non-essential systems, such as digestion and excretion, to more critical functions that help the body overcome the perceived threat.
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Work is done when you
A .you lift a book
B .you stand on the floor
C .you hold a box
D .you push against a wall
Which correctly pairs the organelle pictured with its function?
A. Flagella: help with movement~~ B. Cytoplasm: holds organelles in place ~~
C. Cytoplasm: make proteins~~
D. Flagella: allows cell to divide~~
Answer:
B
Explanation:
Cytoplasm is like air in the city analogy
A. Flagella: help with movement correctly pairs the organelle pictured with its function.
Flagella are whip-like structures found in some cells that are responsible for providing movement. They extend from the surface of the cell and are involved in locomotion. Flagella contain microtubules that undergo coordinated bending movements, allowing the cell to propel itself through its environment.
Option B, "Cytoplasm: holds organelles in place," is not accurate. While the cytoplasm does contain organelles, its primary function is not to "hold" them in place but rather to serve as a medium for various cellular processes, including metabolism, protein synthesis, and cell movement.
Option C, "Cytoplasm: make proteins," is also incorrect. Protein synthesis occurs primarily in the ribosomes, which are often associated with the endoplasmic reticulum (ER) and are not synonymous with the cytoplasm itself.
Option D, "Flagella: allows cell to divide," is not accurate. The function of flagella is related to movement, not cell division. Cell division involves processes such as mitosis and meiosis, which are different from the function of flagella.
In conclusion, option A, "Flagella: help with movement," correctly pairs the organelle (flagella) with its function (movement). Flagella are essential for enabling certain cells to move through their environment, aiding in processes such as swimming or propelling particles.
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TRUE/FALSE.Among mammals, species with short telomeres tend to have longer lives
TRUE. Generally, among mammals, species with shorter telomeres tend to have longer lifespans. Telomeres are protective caps on the ends of chromosomes, and their length is associated with cellular aging and longevity.
FALSE. The statement is incorrect. Telomeres, which are protective caps on the ends of chromosomes, tend to shorten with each cell division and are associated with cellular aging. Longer telomeres are typically found in species with longer lifespans, indicating better cellular health and longevity. Shortened telomeres, on the other hand, are linked to decreased cellular function, increased cellular senescence, and reduced lifespan. Therefore, among mammals, species with longer telomeres are more likely to have longer lives. Telomere length is influenced by various factors including genetics, lifestyle, and environmental factors, and it plays a role in the aging process and age-related diseases.
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List two examples of sites where dendrochronologic dating could be used. (think about sites where logs would be present.)
Dendrochronology is also known as tree-ring dating. It is a method of dating based on the patterns of tree growth rings.
What are the two examples of sites where dendrochronological dating can be used?Here are two examples of sites where dendrochronological dating could be used:
Archaeological sites: Dendrochronology can be used to date wooden artifacts or structures found at the archaeological sites. By examining tree rings of the wood, researchers can determine the age of artifact or structure.
Forests and ecosystems: Dendrochronology can also be used to study history and ecology of forests and other ecosystems. By examining tree rings of living or dead trees, researchers can determine the age of the tree and gather information on past climate conditions, natural disturbances and other environmental factors that have influenced the growth and development of forest.
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Examine the cell below. What kingdom does it most likely belong to?
vacuole
nucleus
mitochondria
chloroplast
cytoplasm
cell membrane
cell wall
.
A. Eubacteria
o B. Plantae
O C. Animalia
OD. Fungi
Answer:
b
Explanation:
the cytoplasm gives it away
explain how you would go about creating a genetically engineered goat that expresses human growth hormone in its milk?
Creating a genetically engineered goat that expresses human growth hormone in its milk involves isolating the HGH gene,constructing a recombinant DNA molecule, introducing it into goat cells, generating transgenic goats.
Here is a general overview of the process:
1. Selecting the donor DNA: The first step is to identify and isolate the DNA sequence that encodes for human growth hormone. This can be done by analyzing the DNA sequence of human cells and identifying the specific gene responsible for producing the hormone.
2. Cloning the genetics: Once the DNA sequence for the human growth hormone gene has been identified, it needs to be cloned. This involves copying the gene and inserting it into a vector, which is a type of carrier molecule that can be used to transfer the gene into a host organism.
3. Preparing the goat cells: The next step is to obtain a sample of goat cells that will be used to create the genetically modified goat. These cells are typically obtained by taking a small biopsy from the ear or another easily accessible area of the goat. 4. Introducing the gene: The cloned human growth hormone gene is then introduced into the goat cells using a variety of techniques, such as electroporation or viral vectors. This process can be challenging and requires expertise in molecular biology and genetic engineering.
Overall, creating a genetically engineered goat that expresses human growth hormone in its milk requires advanced knowledge and techniques in molecular biology and genetic engineering. It is also important to adhere to ethical and safety guidelines to ensure that the process is carried out responsibly and with minimal risk to the animals involved.
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can someone help me with this it would really make my day go right
Answer:
primary is the answer...
● Description and explanation of where ribosomes are found.
(prokaryote/eukaryote cell; animal/plant cell)
Answer:
Ribosomes are found in the cytoplasm or bound to the endoplasmic reticulum (ER) to form rough ER in a cell. They are found in both prokaryote and eukaryote cells.
Explanation:
why is caffeine unlikely to cross through the phospholipid bilayer?
Because caffeine is a big polar molecule and it can't pass directly through the phospholypid bilayer so it needs to pass through a channel.
Of the following mixtures in various test tubes, which would you expect to observe the formation of bubbles of CO2?
A. Water, sugar, and yeast.
B. Water and sugar.
C. Water alone.
D. Water and yeast.
Answer:
A. Water, sugar, and yeast.
Water, sugar, and yeast would you expect to observe the formation of bubbles of CO₂ . (A)
In this mixture, the yeast will use the sugar as an energy source and produce carbon dioxide gas as a byproduct, which will form bubbles. This is the basis of the fermentation process that is used to make bread, beer, and other products.
In the other mixtures, there is no source of energy for the yeast (in the case of B and C) or no yeast to carry out the fermentation process (in the case of D), so no bubbles of CO₂ will be formed.
Therefore, of the following mixtures in various test tubes, the one that would be expected to observe the formation of bubbles of CO₂ is A. Water, sugar, and yeast.
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3. The abilities to dissolve in water and to conduct electricity are examples of
A. natural properties.
B. chemical properties.
C. natural laws of matter.
D. physical properties.
Answer:
D
Explanation:
What is one result of the convection currents in Earth's outer core?
a
Erosion
b
Earth's magnetic field
c
Earth's gravity
d
The melting of the polar ice caps
Answer: b. Earth's magnetic field
Explanation: