Answer:
Ok-
Explanation:
A- inferior- vena cava
b- dorsal aorta ( I think)
c- ureter
d- kidney
e- urinary bladder
which term describes the relatively constant internal physical conditions of an organism and its cell?
Answer: Homeostasis
Explanation: Homeostasis is the ability of an organism or a cell to maintain relatively constant internal physical conditions despite changes in the external environment. This includes maintaining a stable internal environment, such as a specific range of body temperature, blood sugar levels, and pH. Homeostasis is essential for the survival and proper functioning of an organism and its cells.
It is accomplished through a complex network of physiological processes, such as feedback mechanisms, that work together to detect and respond to changes in the environment. These mechanisms help to balance the various physiological systems to maintain a stable internal environment, which is necessary for the normal functioning of cells and the organism as a whole.
You can find normal microbiota in and on all the following body regions EXCEPT theO skinO colonO upper respiratory systemO mouthO blood
The normal microbiota can be found in and on all body regions, excluding blood.
The microbiota is a diverse range of microorganisms that inhabit the body. It comprises bacteria, fungi, viruses, and other organisms that can live in the body's intestines, lungs, and skin surfaces. The following are the regions of the body where you can find normal microbiota: Skin, Colon, Upper respiratory system, Mouth, Normal microbiota cannot be found in blood.
The bloodstream is a sterile environment that does not allow bacteria to thrive. However, in certain circumstances, pathogenic microorganisms can penetrate the bloodstream and cause disease or infection by breaching protective barriers. Therefore, the correct answer is (F) blood, where normal microbiota cannot be found.
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What are the most harmful plants found in earth
Explanation:
...... Water Hemlock .......
Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
Imagine that a student wants to breed a species of rose that has a wonderful smell. The student has many different types of roses, but none of the individual roses has the wonderful smell that the student wants. What is the best way to go about breeding a pure species rose with the trait that the student wants?
Answer:
The best way to go about breeding a pure species of rose with the trait that you want is to breed the roses with another species of flower that smells good.
Explanation:
What do you mean by Traits?
Traits may be defined as the appearance or the manifestation of the desired characters.
This process of selecting the traits of your own choice is known as artificial selection. Through this technique, any individual can make the cross of their own desired characters.
Therefore, the best way to go about breeding a pure species of rose with the trait that you want is to breed the roses with another species of flower that smells good.
In the European Union, what is a Low Emissions Zone (LEZ)?
an area in which high-emissions cars are prohibited
any city of more than 500,000 people
a rural area with no factories or major highways
a zone where air pollution has been found to be low
The low emission zone is an area in which high-emissions cars are prohibited. Option A
What is low emission zone?Low Emission Zones (LEZ) are regions with varying restrictions on the operation of more polluting, typically older automobiles. They are commonly found in cities and bigger towns.
To comply with the EU Air Quality Regulations, cities and governments have been implementing LEZ programs to limit ambient exposures to air pollution.
The goal of LEZs is to encourage the use of cleaner transportation options and reduce the impact of traffic-related pollution on public health and the environment.
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What does it mean to maintain homeostasis?
Explain two ways your body responds during exercise and how each of these responses helps maintain homeostasis.
Example: When you exercise your _____________________ increases/decreases. This helps your body maintain homeostasis by __________________________
Answer:
When you exercise, you sweat, which allows your body to cool down.
The blood pressure also increases, allowing more blood to pump, to obtain more oxygen for respiration.
In your own sentences explain incomplete dominance, codominance,polygenic trait and give an example of each.
Answer:
codominance means you see both of the traits such as having a cow with black spots means it has white and black genes, incomplete dominance would be a mix of the traits like having a white and red flower make a pink flower. The pink flower would be incompletely dominant to red, but it still has traits of white.
Explanation:
Dr. wagner is investigating a newly discovered, disease-causing agent. she determines that one structure in the agent is double-stranded rna. what kind of agent is dr. wagner studying?
If Dr. Wagner has discovered a disease-causing agent with double-stranded RNA, she is likely studying a virus in the Reoviridae family, or a similar group of viruses.
Reoviruses are a family of viruses that are known to have double-stranded RNA genomes. They are common pathogens in humans and animals, and can cause a variety of illnesses, including respiratory infections, gastroenteritis, and viral meningitis. There are also other viruses that can have double-stranded RNA genomes, such as the Birnaviridae family and the Totiviridae family, among others. However, the Reoviridae family is the most well-known and common group of viruses with double-stranded RNA genomes, and is therefore the most likely candidate for the agent that Dr. Wagner is studying. It's worth noting that not all viruses have double-stranded RNA genomes. Some viruses have single-stranded RNA, while others have DNA genomes. The type of genome a virus has can have important implications for how it replicates, infects cells, and causes disease.
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Dideoxynucleotides are essential for:
Select one:
a. PCR
b. SDS-PAGE
c. DNA Sequencing d. Gel electrophoresis
e. Primer design
Dideoxynucleotides are essential for DNA sequencing.
DNA sequencing is the process of determining the exact order of nucleotides in a DNA molecule. Dideoxynucleotides, also known as chain-terminating nucleotides, are used in a sequencing reaction to randomly terminate the growing DNA chain at specific points. By doing so, the reaction produces a set of DNA fragments of different lengths, each terminating with a dideoxynucleotide. These fragments can then be separated by gel electrophoresis and analyzed to determine the order of nucleotides in the original DNA molecule.
Conclusion: Therefore, dideoxynucleotides play a critical role in DNA sequencing, which is an important tool for genetic research, medical diagnostics, and forensic science.
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What 2 subatomic particles are found here? Charge? Size?
What subatomic particles are in rings around the nucleus? Charge? Size?
If the atom is neutral, what is the atomic number?
What element is this?
If the atom has the same # neutrons as protons, what would be it’s atomic mass?
If you added another neutron, you would have a different ______
If you added another proton, you would have a different ______
Which electron- A or B- has more potential energy? Why?
How many more electrons could fit in the outermost shell?
These sheets are subdivided into ______ that hold _____ electrons each.
Which atomic particle may be lost/gained in chemical reactions? Why would atoms lose/gain them?
Explanation:
neutrons ,0and protons+1,1.11x10^-15
7
nitrogen
14
nucleon number
atomic number
A,the one far from the nucleus
3
electron, to be stable
Are all living things made of cells?
Answer: Yes, All living organisms or things like animals or plants are made of cells.
Explanation:
What products does farmers sell to the distributor?
Answer:
milk
Explanation:
milk can makes you rich
1. If you drive at 100 km/hr, S for 600 km,how long will it take you to go their?
2. A car traveled at a velocity of 50 km/h,N for .5 h. How far did the car travel?
Thank you I need it now 2/21/22
Science
Answer:
1: 6hr 2: 25km
Explanation:
The equation velocity=distance/time (v=d/t) is useful for these problems.
1: v=100 km/hr, d=600km
plugging into the equation, we get 100km/hr=600km/t
rearrange to get t=600/100, or t=6hr
2: v=50km/hr, t=5hr
plugging in: 50km/hr=d/0.5hr
rearrange: d=(50km/hr)*0.5hr, or d=25km
don't forget your units, and have a lovely day :)
cyclic adenosine monophosphate (camp) performs which role in the functioning of the endocrine system
Cyclic adenosine monophosphate acts as a second messenger to mediate hormone action on target cells.
A second messenger crucial to many biological processes is cyclic adenosine monophosphate. In many different organisms, the adenosine triphosphate derivative cAMP transmits the cAMP-dependent pathway for intracellular signal transduction.The primary function of cyclic AMP appears to be to stimulate or support the mobilization of glucose and fatty acid stores in a number of tissues. By activating adenyl cyclase, glucagon and catecholamines increase the intracellular amount of cyclic AMP in the liver.To know more about Cyclic adenosine monophosphate here
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Explain how to distinguish different species by their DNA.
DNA analysis can be used to distinguish different species by comparing specific regions of their DNA sequences.
To distinguish different species by their DNA, scientists primarily focus on comparing specific regions of the DNA sequences that are highly variable among species. One commonly used region is the mitochondrial DNA (mtDNA), which is inherited maternally and has a higher mutation rate compared to nuclear DNA. Another region is the ribosomal RNA genes (rRNA), which exhibit variations among species.
The process typically involves extracting DNA samples from different organisms, isolating the target region of interest, and sequencing the DNA to determine the nucleotide sequence. The sequences obtained from different species are then compared to identify differences and similarities.
These differences can be used to create DNA profiles or genetic markers specific to each species. Advanced techniques such as DNA barcoding or whole-genome sequencing can provide more comprehensive information and aid in species identification.
By comparing DNA sequences, scientists can uncover genetic variations unique to different species, allowing them to distinguish and classify organisms accurately. This information is valuable in various fields, including taxonomy, conservation biology, forensic science, and evolutionary research.
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Using the table, what is the correct mRNA sequence representing the addition of alanine and then
leucine to a protein?
Answer: B GCUCUU
Explanation:
G goes with c and A goes with T but your replacing thymine with uracil
CGU CUU represent the correct mRNA sequence representing the addition of alanine and then leucine to a protein.
What are codons?A codon is a sequence of three nucleotides (also known as a trinucleotide) that can be found in either DNA or RNA and acts as a unit of genomic information by either encoding a specific amino acid or indicating the end of the process of protein synthesis (stop signals). There are 64 distinct codons, which are: 61 of them are utilized to define amino acids, while 3 are the stop signals.
UAG, UAA, and UGA are the three different STOP codons that can be found in the genetic code. During translation, these codons indicate that the chain of polypeptides has reached its conclusion. Due to the fact that they do not code for an amino acid, these codons are also referred to as nonsense codons and termination codons.
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The process that all living things go through in order to maintain a constant internal environment 1.Homeostasis 2.Positive feedback loop 3.Negative feedback loop 4.Endotherm 5.Ectotherm
Answer: 1.Homeostasis
Explanation:
Homeostasis can be defined as the tendency of the organisms to maintain their internal environment constant with respect to the changes occurring in the external environment. For example, the internal body environment will maintain the temperature, water as well as electrolytic balance, pH balance, and blood pressure with respect to the changes occurring in the environment.
Match the cell organelle to the body system with the same function. Nucleus controls all the functions of the cell. Lysosomes breaks down food eliminate the waste of the cell Cytoskeleton provides structure and allows movement in the cell Cell membrane protects against invaders and control internal structures from the external environment Mitochondria break down nutrients to produce energy Vacuole stores water and waste Cell Wall provides protection and support Cytoplasm transports material within the cell Centriole makes new cells (new humans) Smooth Endoplasmic Reticulum helps to synthesis hormones Skip to navigation
Answer:
The correct answer is - all the cell organelles are correctly matched with the functions already -
Nucleus - controls all the functions of the cell.
Lysosomes - breaks down food eliminate the waste of the cell
Cytoskeleton - provides structure and allows movement in the cell
Cell membrane - protects against invaders and control internal structures from the external environment
Mitochondria - break down nutrients to produce energy
Vacuole - stores water and waste
Cell Wall - provides protection and support
Cytoplasm - transports material within the cell
Centriole - makes new cells (new humans)
Smooth Endoplasmic Reticulum - helps to synthesis hormones
Explanation:
In the cell, there are different organelle present that has specific functions. The nucleus is the cell organelle that has genes and DNA that controls various functions of the cell. Lysosomes are the cell organelle that removes waste from the cell and also helps in the digestion or breakdown of the fat. The mechanical support and movement are allowed by the cytoskeleton.
The cell wall is the external structure that provides support to the cells. Mitochondria is the cell structure that provides energy. Smooth ER provides the hormone's synthesis. Cytoplasm transports material within the cell.
which are unable to perform the role of producers in the environment? question 5 options: photosynthetic bacteria. heterotrophic bacteria. cyanobacteria. protista. choices c and d
The organisms that are unable to perform the role of producers in their environment are cyanobacteria and protista. Option 3.
Roles of producersCyanobacteria, also known as blue-green algae, are photosynthetic bacteria that can perform the role of producers in the environment. They are capable of using sunlight to convert carbon dioxide and water into organic compounds through the process of photosynthesis.
Protista, which is a diverse group of eukaryotic microorganisms, can include both autotrophic and heterotrophic organisms. Some protists, such as algae, are photosynthetic and can act as producers in the environment. However, there are also heterotrophic protists that rely on consuming organic matter rather than producing their own food.
Therefore, cyanobacteria and protists as a whole cannot be categorized as unable to perform the role of producers.
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The atmosphere of Mars is often pink-orange because
a. It is dominated by carbon dioxide
b. the sun is at a low angle in the sky
c. Mars has no oceans to reflect blue light to the sky
d. Winds lift dust into the atmosphere
The atmosphere of Mars is often pink-orange because winds lift dust into the atmosphere. The correct answer is d.
The atmosphere of Mars is much thinner than that of Earth, composed mainly of carbon dioxide, with traces of nitrogen and argon. The Martian atmosphere is also much colder, with temperatures often dropping to -125 degrees Celsius at the poles. However, it is the presence of dust in the atmosphere that gives Mars its characteristic pink-orange hue.
Dust storms on Mars can be quite intense, with winds that can reach up to 60 miles per hour. These storms lift fine particles of dust into the atmosphere, scattering light and giving the sky a pinkish tint. The dust particles themselves also absorb blue light, making the sky appear even more orange. In fact, the atmosphere of Mars can sometimes become so hazy with dust that it obscures the surface of the planet completely.
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One function of the hcl secreted in the stomach is to convert pepsinogen into the active enzyme pepsin. why dont stomach cells simply secrete pepsin instad?
Cells would break down their own cellular proteins if they produced active pepsin.
Cellular Protein- The collection of proteins inside a cell determines its state of health and how well it works. Proteins are responsible for the shape and internal structure of cells, the synthesis of products, the elimination of waste, and routine maintenance.
Pepsin- An enzyme in the stomach called pepsin is utilized to digest eaten food's proteins. The primary cells of the stomach generate pepsin as pepsinogen, an inactive zymogen. The parietal cells in the stomach's lining release hydrochloric acid, which lowers the stomach's pH. At a pH of 1.5 to 2, pepsin is activated.
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An unknown sample of metal had a mass of 240. 0 grams. It displaced 30. 0 mL of water when placed into a graduated cylinder. What is the density of the metal?
The density of the metal will be 8 g/ml when an unknown sample of metal had a mass of 240 gm and is displaced 30 ml of water when placed into graduated cylinder.
What is density and how the density of the metal comes out to be 8 g/ml of unknown sample?Density is the quantity representing the mass of the product per unit volume of the container containing liquid.The units of density varies depending upon the units of mass and volume of the liquid contained.Here by using the simple density = mass/ volume formula we can calculate the density.Given, mass = 240 gm , volume = 30 ml , density = 240/ 30 = 8 g/ ml is the density.Hence the density of the metal is 8 gm/ml of an unknown sample of the metal of mass 240 gm and displaced 30 ml of water into graduated cylinder.To know more about density visit:
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Study the image. Which feature is modeled in the diagram?
answer. A
Explanation:
It is found by an organisation that more breaches of privacy have been occurring in it. As a result, the organisation must now record all the kinds breaches and problems involving privacy that occur if they do indeed occur in the future.
In this situation, an organization has found that more privacy breaches are happening, and as a result, the organization has to record all types of privacy breaches and issues that happen in the future. Privacy breaches can have a significant impact on individuals and organizations.
With the increase in the number of privacy breaches, the privacy of an individual or an organization is at risk. Organizations have a duty to protect the privacy of their clients, customers, and employees. They must ensure that the information they store is kept secure and confidential. When there is a breach of privacy, it can lead to a loss of trust, loss of business, and even legal action.
Therefore, it is essential for organizations to take privacy breaches seriously and take measures to prevent them from happening. In the case of an organization finding more breaches of privacy, it is necessary to record all types of breaches and problems involving privacy that occur in the future.
This is to ensure that the organization is aware of the issues and can take steps to prevent them from happening again. By recording these breaches, the organization can identify patterns and trends, which can help them to develop strategies to improve their privacy measures.
In conclusion, organizations have a responsibility to protect the privacy of individuals and should take measures to prevent breaches from happening. If breaches do occur, it is important to record them and take steps to prevent them from happening again in the future.
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Which of the following biomolecules contain non-transition metal ions?
A.Vitamin B12
B.Chlorophyll
C.Haemoglobin
D.Insulin
Option A (Vitamin B12) and Option C (Haemoglobin) are the biomolecules that contain non-transition metal ions.
Vitamin B12, also known as cobalamin, contains a cobalt ion at its core. This ion plays a crucial role in various biological processes, including DNA synthesis, red blood cell formation, and neurological function.
Haemoglobin, the oxygen-carrying protein found in red blood cells, contains iron ions. These iron ions bind to oxygen molecules, enabling the transport of oxygen throughout the body.
Option B (Chlorophyll) contains a magnesium ion at its center. Chlorophyll is responsible for the green pigment in plants and plays a vital role in photosynthesis.
Option D (Insulin) is a peptide hormone and does not contain non-transition metal ions.
Therefore, the correct options are A (Vitamin B12) and C (Haemoglobin).
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Carry out your own research into the selective breeding of dogs and
the problems it is now causing certain breeds of dogs. Summarize
your findings and give at least 3 examples of affected dog breeds.
Answer:
pug-eye and breathing problems
beagle-epilepsy
siberian husky -autoimmune disorders
What environmental input is necessary for the Calvin cycle reactions?
The environmental input that is necessary for the Calvin cycle reactions is carbon dioxide (CO₂). It is captured and utilized by the enzyme Rubisco to convert carbon dioxide into glucose during the process of photosynthesis.
The Calvin Cycle, also referred to as the dark reaction, C3 cycle, or carbon fixation, is a sequence of enzyme-assisted reactions that occur in the stroma of chloroplasts in photosynthetic organisms. The Calvin cycle is responsible for transforming carbon dioxide (CO₂) into a high-energy molecule, which is used to produce glucose. This procedure occurs in three stages: carbon fixation, reduction, and regeneration. Environmental input for Calvin CycleIn the Calvin cycle, carbon dioxide is required as an environmental input.
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Herbivores have teeth designed for eating...
A. Plants only
B. Animals only
C. Plants and animals
Answer:
The answer is:
A. Plants only
Answer:
plants only
hope its helps
The gene has a mutation and is changed to the sequence below.
GAC GGA CGA TTA
I
What kind of mutation is this?
Answer:
What kind of mutation - "simple base substitution" or "point mutation".
New mRNA strand - CUG CCU GCU AAU
Does the mutation affect the protein. - yes because one amino acid is different
Explanation:
Here a point mutation occurs in the gene.
What is Point mutation?A point mutation is said to occur in a genome when a single base pair is added, deleted or changed.
Here due to point mutation only a single base pair has been changed ,thus the amino acid sequence has been changed. This is because due to point mutation in the DNA strand the mRNA produced is also changed so the amino acids coded by the mrna are also changed.
A point mutation exists a genetic mutation where a single nucleotide base exists changed, inserted, or deleted from a DNA or RNA series of an organism's genome. Point mutations have a combination of effects on the downstream protein product—consequences that exist moderately predictable established upon the specifics of the mutation.
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