Answers
Answer:
my answer is C.
Explanation:
I hope my answer can help you
Answer: C Cells use it to deliver genetic information to the nucleus
Explanation:
What does ATP mean?
ATP stands for adenosine triphosphate. It is a molecule found in the cells of living organisms. It is said to be very important because it transports the energy necessary for all cellular metabolic activities. ... Without ATP, various metabolic activities in the human body cannot take place.
The main function of ATP?
ATP functions as the energy currency for cells. It allows the cell to store energy briefly and transport it within the cell to support endergonic chemical reactions. The structure of ATP is that of an RNA nucleotide with three phosphates attached.
Related Questions
true or false: this individual was fully an adult at the time of death.
Answers
The age of death is a critical factor in determining the life expectancy of a population. Various factors can influence the age at which someone dies, including their lifestyle, socioeconomic status, genetics, and environment.
Here are some ways to determine an individual's age at death:1. Death certificate: The most common method of determining someone's age at death is by checking their death certificate. Death certificates usually include the individual's name, age, and the cause of death.2. Medical records: Medical records are another source of information for determining an individual's age at death. The records may include information about the person's birth date, past illnesses, and treatments they have undergone.
3. Genealogy records: Genealogy records can also provide information about an individual's age at death. They may include birth and death dates as well as other vital information about the person and their family.4. Forensic investigation: Forensic investigators can use a variety of techniques to determine the age of an individual at death. They may use radiocarbon dating, DNA testing, or other methods to establish an accurate estimate of the person's age at death.These are the ways to determine an individual's age at death.
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when two squash plants with disc-shaped fruit are crossed, depending on the genotype of the parents, disc, sphere, and long fruits may be seen in the offspring. this is an example of .
Answers
When two squash plants with disc-shaped fruit are crossed, the appearance of different fruit shapes in the offspring is an example of genetic variation. This variation is determined by the genotype of the parents, which refers to the genetic makeup of an organism.
In this case, the parents have a genotype that can produce disc, sphere, and long fruits. This means that the genes responsible for fruit shape in the parents have multiple possible versions or alleles. When these alleles combine in the offspring, different combinations can result in different fruit shapes.
For example, if one parent has the genotype for disc-shaped fruit (DD) and the other parent has the genotype for long fruit (LL), the offspring may inherit a combination of these alleles, resulting in the appearance of both disc and long fruits. Similarly, if one parent has the genotype for disc-shaped fruit (DD) and the other parent has the genotype for sphere-shaped fruit (SS), the offspring may inherit a combination of these alleles, resulting in the appearance of both disc and sphere fruits.
This phenomenon showcases the inheritance patterns and genetic diversity within a population. By understanding the genotype of the parents, scientists can predict the possible fruit shapes that may be seen in the offspring.
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One of the primary functions of a cell is to synthesize proteins. Various organelles work together to complete this process. Which part of the cell is responsible for connecting the amino acid monomers to make protein polymers O Golgi Apparatus O Nucleus O Mitochondria O Ribosomes
Answers
Answer:
The answer is ribosome because that carry the protein and stuff and it the thing that makes a chain
Explanation:
The part of the cell is responsible for connecting the amino acid monomers to make protein polymers is ribosomes. The correct option is D.
What are ribosomes?Ribosomes are small cell organelles that are present in both prokaryotic and eukaryotic. They synthesize protein in the cell.
The majority of integral proteins are transmembrane, which implies that they can pass through the lipid bi-layer, the cytosol, and the extracellular fluid. Integral proteins are deeply buried in the cell membrane and extend into or throughout the lipid bilayer.
Peripheral proteins, which are not firmly attached, are typically found towards the membrane's inner or outer surface.
Therefore, the correct option is D. Ribosomes regarding the synthesis of proteins.
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based on the predictions of the intermediate disturbance hypothesis, which frequency of fire for florida forest management would maintain the highest levels of species diversity?
Answers
"Burning forest at intermediate frequency levels" is the frequency of fire for Florida forest management would maintain the highest levels of species diversity.
The highest diversity will be found at levels of intermediate disturbance, according to the intermediate disturbance theory. In connection to washing-induced disturbance, we assessed the species diversity, abundance, and species diversity of bacteria on human skin.
The frequency of fires within a certain area and time frame is another concise definition of fire frequency. In addition, fire frequency can be expressed mathematically as the average time between fires or the number of fires that occur during a given period of time.
For Florida forest management, burning forests at intermediate frequency levels would retain the maximum levels of species variety.
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A microbiology student Gram-stained the yeast, S. cerevisiae, producing a sample with cells colored purple, pink, brown, and green. Explain why this organism produced results that deviate from typical purple or pink Gram-stained cells.
Answers
This organism produced results that deviate from typical purple or pink Gram-stained cells because the peptidoglycan variations in the cells are visible by gram staining. S. cerevisiae differs from other bacteria in that it lacks a lipid layer and is both gram-positive and gram-negative, giving the sample's cells colors of purple, pink, brown, and green.
Gram staining is a method frequently used to distinguish between two sizable groups of bacteria based on the distinct components of their cell walls.
By staining these cells red or violet, the Gram stain method distinguishes between Gram positive and Gram negative groupings.
The crystal violet used to stain the cells of gram-positive bacteria is retained by the presence of a thick layer of peptidoglycan in their cell walls.
A thinner peptidoglycan wall in Gram negative bacteria causes them to stain red instead because it does not hold the crystal violet throughout the decolorizing process.
Because the peptidoglycan differences in the cells can be seen by gram staining, this organism generated results that differ from the conventional purple or pink Gram-stained cells.
S. cerevisiae, which is both gram-positive and gram-negative and distinguishes itself from other bacteria by lacking a lipid coating, gives the sample's cells colors of purple, pink, brown, and green.
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The segment of the nephron between the proximal and distal tubules that loops down into the medulla of the kidney and returns back to the cortex is called the
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Question 5 (12 points)
Chemical reactions in the human body are catalyzed when enzymes interact with substrates as shown in the diagram.
57
&
What happens to the enzyme after the chemical reaction occurs?
O O O O
The enzyme becomes a part of the product of the reaction, so it no longer exists.
The enzyme is used up during the reaction, so it no longer exists.
The enzyme is unchanged, so it can be reused when more substrate is available.
The enzyme is changed during the reaction, so it no longer works.
C
Answers
Explanation:
The enzyme is unchanged so that, it can be reused when more substrate is available.
to know more ,enzymes about Biological Catalyst that are used to speed up the rate of a biological reaction but are not used up at the end of the reaction
Which of the following supports the theory that the Universe is expanding?
A
Redshift of light from distant galaxies
B
Blueshift of light from distant galaxies
C
Nuclear fusion occurring in the Sun
D
Radioactive decay occurring in the Sun
Answers
in feedback inhibition of a metabolic pathway, where does the inhibitor typically bind?
Answers
In feedback inhibition of a metabolic pathway, the inhibitor typically binds to the allosteric site of the enzyme.
Feedback inhibition is a process in which the end product of a metabolic pathway acts as an inhibitor to an enzyme involved in the pathway. This helps to regulate the production of the end product and prevent an excess amount from being produced. The inhibitor typically binds to the allosteric site of the enzyme, which is a site separate from the active site. When the inhibitor binds to the allosteric site, it changes the shape of the enzyme and prevents it from binding to its substrate at the active site. This effectively shuts down the metabolic pathway and prevents further production of the end product until the inhibitor is removed.
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All of the following are true regarding membrane transport EXCEPT: O polar molecules like glucose can easily pass through the membrane without the need for a transporter O oxygen and carbon dioxide can simply diffuse across the barrier O the majority of water enters/exits cells through aquaporins O primary active transport requires that the transporter itself hydrolyzes ATP
Answers
Polar molecules like glucose can't easily pass through the membrane without the need for a transporter.
Membrane transport plays a crucial role in maintaining the internal environment of cells by regulating the movement of substances across the cell membrane. While oxygen and carbon dioxide can diffuse across the membrane without the need for a transporter due to their small size and non-polar nature, polar molecules like glucose require specific transporters to facilitate their passage.
Aquaporins are specialized channels that facilitate the movement of water molecules across the membrane, accounting for the majority of water entry and exit in cells. In contrast, primary active transport relies on transporter proteins that hydrolyze ATP to actively transport ions or molecules against their concentration gradient, requiring energy expenditure.
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Which part of the phospholipid bilayer is hydrophobic? Which direction does it face?
Answers
They face inward
Cancer is caused by
A. out of control DNA replication.
B. Out of control cell cycle caused by damaged DNA
C. Out of control cell cycle caused by cyclins.
D. Tumors
Answers
Answer:
B
Explanation:
cells die when new ones come they create tumors etc
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as:
Answers
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.
Homeostasis is the body's ability to maintain a stable internal environment despite external changes.
In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.
These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.
For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.
Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.
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which of the following statements is not true of proteins? question 11 options: 1) high temperature can denature proteins 2) plant proteins are complete proteins 3) a protein moleucle has amino acids connected by peptide bonds 4) all proteins contain c,h, n and o
Answers
The statement that is not true of proteins is: 2) Plant proteins are complete proteins.
Plant proteins are generally considered incomplete proteins because they lack one or more essential amino acids required by the human body. Complete proteins contain all the essential amino acids in sufficient amounts to support optimal protein synthesis and meet the body's needs.
To clarify the other options:
High temperature can denature proteins: This statement is true. High temperatures can disrupt the protein's structure, leading to denaturation and loss of its biological activity.
A protein molecule has amino acids connected by peptide bonds: This statement is true. Proteins are composed of amino acids linked together by peptide bonds to form a linear chain, known as a polypeptide chain.
All proteins contain C, H, N, and O: This statement is true. Carbon (C), hydrogen (H), nitrogen (N), and oxygen (O) are the four essential elements found in proteins. These elements are present in amino acids, which are the building blocks of proteins.
Therefore, the statement that is not true is the second option, which suggests that plant proteins are complete proteins. In reality, plant proteins often lack one or more essential amino acids and are considered incomplete proteins.
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on one of the earth worms that we tested, we used a pulse height higher than the mgf threshold and lower than the lgf threshold. should we observe an action potential from lgf?
Answers
Action potential will not be observed from LGF when a pulse height higher than the MGF threshold and lower than the LGF threshold is used.
Action potential is the change in the membrane potential from negative to positive due to rapid movement of ions in and out of the cell. The action potential occurs in the neurons when electrical impulses are to be transmitted.
LGF is the abbreviation for Lateral Giant Fibers. It is one of the two giant fibers present in the neuron. It runs all along the length of ventral nerve cord. It is present in species of annelids and crustaceans. In the question, action potential cannot be generated for LGF below the threshold value because the membrane should be depolarized enough so that action potential can occur.
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Tropical rainforests have the greatest biodiversity of any type of land ecosystem how does biodiversity contribute to the sustainability of an ecosystem
Answers
Biodiversity contributes to the sustainability of an ecosystem in ways such as biodiversity, ecosystem stability, ecosystem resilience, nutrient cycling, pollination, and medicinal properties.
Biodiversity is crucial for the sustainability of an ecosystem as it plays a significant role in maintaining the functioning of ecosystems and providing a range of ecological services. In tropical rainforests, which have the highest biodiversity, the presence of numerous species of plants, animals, fungi, and microorganisms contributes to the sustainability of the ecosystem in the following ways:
Ecosystem Stability: Biodiversity helps to maintain the stability of an ecosystem by providing a balance between predator and prey populations, nutrient cycling, and decomposition.
Ecosystem Resilience: The greater the biodiversity of an ecosystem, the more resilient it is to disturbances such as climate change, natural disasters, and human activities.
Nutrient Cycling: Biodiversity helps in the efficient cycling of nutrients in the ecosystem. Different species of plants and microorganisms play a role in decomposing organic matter, recycling nutrients, and maintaining soil fertility.
In summary, biodiversity is essential for the sustainability of ecosystems. It provides ecological services that are critical for maintaining the functioning of the ecosystem and contributing to human well-being.
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I am the example of plants with woody stems. I am smaller than trees. My branches grow close to the ground. The rose and hibiscus plants are some examples of us. What am I?
Answers
Answer: I am a Shrub
Explanation:
A Shrub also called a bush is medium-sized woody plant with many stems which is shorter than a tree but taller than a herb having a range in height of about 6-10 metres Shrubs are divided into two --- Deciduous and evergreen.
Many Shrubs are planted in homes and gardens because of the aesthetic value they provide, including serving as wind breaks when many of them are planted together.Example of Shrubs include Rose, jasmine,Hibiscus tulsi, etc.
The mean division time for bacteria population C is 20 minutes. Calculate how many bacteria will be present after 4 hours, when starting with 50 bacteria
Answers
The average time for dividing the population of C bacteria is 20 minutes. A lot of bacteria will be there after 4 hours, if you start with 50 bacteria is 204,800.
BacteriaThe Formula is:N = N0 x 2^(t/d)
Where,
N is the final number of bacteria.
N0 is the initial number of bacteria.
t is the time elapsed.
d is the doubling time.
Solution:N0: 50
t: 4 hours = 240 minutes
d: 20 minutes
N = 50 x 2^(240/20)
= 50 x 2^12
= 50 x 4096
= 204,800
Therefore, after 4 hours, there will be approximately 204,800 bacteria present in the population, starting with an initial population of 50 bacteria.
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The average time for dividing the population of C bacteria is 20 minutes. So after 4 hours, if we start with 50 bacteria, there will be 204,800 bacteria.
What is Bacteria?Bacteria are defined as tiny, single-celled organisms that are millions of different types of bacteria. Many can be found in and on the body and are beneficial to us.
Bacteria divide by the asexual mode of reproduction which is called as Binary fission. In the process of binary fission, an organism duplicates its genetic material, or deoxyribonucleic acid (DNA), by splitting in two through a process known as cytokinesis, with each new organism receiving a copy of the DNA.
Its division can be calculated by this formula:
\(N = N_0 * 2^(^t^/^d^)\)
Where,
N is the final number of bacteria.
\(N_0\) is the initial number of bacteria.
t is the time elapsed.
d is the doubling time.
Here,
\(N_0\) 50
t: 4 hours = 240 minutes
d: 20 minutes
\(N = 50 * 2^(^2^4^0^/^2^0^)\)
\(= 50 *2^1^2\)
= 50 x 4096
= 204,800
Therefore, after 4 hours, there will be approximately 204,800 bacteria present in the population, starting with an initial population of 50 bacteria.
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students are measuring the rate of enzyme activity. the graph below shows the rate of enzyme action as they increase the temperature. what is one possible reason the enzyme is less effective at high temperature
Answers
Answer:
The heat will cause the enzyme to denature(deform) and the subtrate will no longer fit into the enzyme.
Cellular respiration uses the products of photosynthesis __________& ___________ and produces _________ gas, _________ & _____________ which is the energy currency of life.
Answers
Explanation:
oxygen and glucose
carbon dioxide gas, water and ATP.
hope it helps. :)
Identify what Anton Van Leeuwenhoek is often referred to as.
Answers
Answer:
the Father of Microbiology!
Explanation:
If your talking about Antonie Van Leeuwenhoek then the answer is The Father of Microbiology!! I hoped this helped :)
what is unequal sharing of electrons
Answers
Answer:
Covalent bond between two atoms with unequal electronegativities results in unequal sharing of electrons. These types of covalent bonds are called polar bonds because the electron distribution or charge is unevenly distributed or polarized. .
Explanation:
Which of the following is insoluble in water? O Olive oil Amino acids O Salt O Sucrose O DNA
Answers
Out of the given options, the only compound that is insoluble in water is olive oil.
Out of the given options, the only compound that is insoluble in water is olive oil. Olive oil is a nonpolar molecule, which means it does not have any charge and does not interact with water molecules, which are polar. On the other hand, the rest of the compounds listed, including amino acids, salt, sucrose, and DNA, are all soluble in water. Sucrose, for example, is a polar molecule that readily dissolves in water due to its ability to form hydrogen bonds with water molecules. It is essential to note that insoluble compounds do not dissolve in water and usually form separate layers or precipitates when mixed with water. Answering in more than 100 words, it is important to understand the solubility of compounds in water as it is a fundamental concept in chemistry and plays a crucial role in many chemical reactions and biological processes.
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Did you see any similarities in the types or quantity of colonies on the before and after heat treatment of the soil?
Answers
Answer:
As there is no information provided regarding the experiment or the type of soil, it is difficult to give a specific answer.
Explanation:
However, in general, if there are similar types and quantities of colonies on the before and after heat treatment of the soil, it suggests that the heat treatment did not have a significant effect on the microbial population in the soil.
However, if there is a significant difference in the types and quantities of colonies on the before and after heat treatment of the soil, it suggests that the heat treatment had a significant effect on the microbial population in the soil. Heat treatment can cause a decrease in microbial diversity and abundance due to the destruction of heat-sensitive organisms and nutrients in the soil.
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what is a membrane???????
Answers
Answer:
Membrane is a barrier which protects what comes in and out...
Explanation:
Hope It Helps!!!
A membrane is a thin wall or layer made up of biological substances such as cellulose or lipid.
What is the role of a membrane?A membrane is a thin sheet that protects the cell from the outer environment, and they make a sheet or separation between the cell interior and the exterior.
It helps in the transfer of material from the cell and in the cell and gives the cell structure and rigidity.
Thus, A membrane is a thin wall or layer comprised of cellulose or lipids, which are biological materials.
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1. List 4 classes of animals reared in the Caribbean ___________________________________________________________ ___________________________________________________________ 2. Identify 1 class of animal stated above and state the purpose(s) for rearing ___________________________________________________________ ___________________________________________________________ 3. Define the following terms: Breed, Species, Herd ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 4. To which class of animal do the following terms refer? (a) Bovine: ___________________________________ (b)Ovine: ____________________________________ (c) Equine: ____________________
Answers
Answer:
1. Pigs, Sheep, Goats, Cattle
2. The purpose of rearing pigs is to utilize them for human food but also supply skin, fat and other materials for use as clothing or leather, ingredients for processed foods, cosmetics, and medical use.
3. Breeding - when animals mate and then produce offspring.
Species - Organisms that have lots of characteristics in common, and can mate to produce fertile offspring.
Herd - a social group of certain animals of the same species, either wild or domestic.
Explanation:
4. Bovine - Cattle, Goats, Pigs
Ovine - Sheep
Equine - Horses and other members of the horse family
pressure at highest in arteries during ventricular contraction is called?
Answers
The pressure at its highest in arteries during ventricular contraction is called systolic blood pressure.
What is artery?An artery is a blood vessel that carries oxygenated blood away from the heart to the body's tissues and organs. Arteries are a vital component of the circulatory system, which is responsible for transporting blood throughout the body. Arteries are thick-walled and have a muscular and elastic structure, allowing them to withstand the high pressure of blood pumped by the heart. As they branch out from the heart, they become smaller and eventually divide into smaller vessels called arterioles, which then lead to even smaller capillaries where oxygen and nutrients are exchanged with the body's tissues.
Here,
Systolic blood pressure is the pressure in the arteries when the heart contracts and pumps blood into the circulatory system. It is measured as the first number in a blood pressure reading and is typically around 120 mmHg in healthy adults. The normal range for systolic blood pressure is considered to be less than 120 mmHg.
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what percentage is the tonicity of the medically administered intravenous solutions? what would happen if the tonicity gets lowers than or higher than 0.9 %
Answers
Answer:
The Infusion Nurses Society (INS) classifies a solution as isotonic if its tonicity falls within (or near) the normal range for blood serum-between 280 and 300 mOsm/liter. A hypotonic solution has an osmolarity less than 280 mOsm/liter, and a hypertonic solution has an osmolarity greater than 300 mOsm/liter.Hopefully u will satisfy with my answer..!!Have a nice day ahead dear..!!Write one scientific question about the organism in the photo.
Chimpanzee
Answers
Answer:
Here are some examples of scientific questions.
Are chimpanzees still used in experiments in the U.S.?Are living chimpanzees the best model for the behavior and ecology of fossil humans?How do we predict how chimpanzees will respond to global change (includes climate change, urbanization and rural abandonment, anthropogenic change, pollution)?What factors contribute to primates’ social and ecological decision making, and how does this relate to kinship and environment?How common is the innovation of new behaviors in groups of wild chimpanzees?Explanation:
Trust
What happens when T2 phages are grown with radioactive phosphorous? A: Their DNA becomes radioactive. B: Their proteins become radioactive. C: Their DNA is found to be of medium density in a centrifuge tube. D: They are no longer able to transform bacterial cells. E: They transfer their radioactivity to E. coli chromosomes during infection.
Answers
Answer: A: Their DNA becomes radioactive.
Explanation:
T2 phage is a virus, it infect and kill Escherichia Coli (E.Coli) which is a bacteria, t2 phage has a DNA that is double stranded while Radioactive phosphorus is an Isotope of phosphorus having same atomic number but different mass number.
Deoxyribonucliec acid(DNA) contains the genetic makeup of an organism.
it double stranded and it is made up of a nitrogenous base, phosphate group and a 5 carbon sugar. When t2 phage grows with radioactive phosphorus in, it becomes infused into the cell and replicated in the virus cell during DNA replication process making it have more copies in the cell this makes the DNA of the t2 phage radioactive in nature.