Carbonic anhydrase is an enzyme that converts carbon dioxide into
bicarbonate so red blood cells can transport it. What is the best way to
increase the rate of reaction?
A-Add more carbonic anhydrase
B-Add more bicarbonate
C-Reduce the amount of water
D-Reduce the amount of carbon dioxide
Answers
Answer:
A
Explanation:
Increase enzyme concentration so more enzymes can react with carbon dioxide to form bicarbonate. D would make the reaction slower, C does not relate to the question and B is the product so would not help increase the rate of the reaction, only A
Related Questions
middle part of the sternum
Answers
Answer:
The manubrium
Answer: manubrium
Explanation:
is the broad upper part of the sternum. It has a quadrangular shape, narrowing from the top, which gives it four borders.
In ur own words, Explain how natural selection befits a population
Answers
in dialysis the cleansing wastes from the blood is achieved by
Answers
Answer:
diffusion.
Explanation:
In dialysis, the cleansing wastes from the blood is achieved with the help of dialyzer.
Hemodialysis do the work of our own kidneys in order to clear wastes and extra fluid from your blood. This cleaning of waste material is done to a special filter called a dialyzer or artificial kidney.
Dialysis is a procedure which is used to remove waste products and fluid in excess amount from the blood when the kidneys stop working so we can conclude that dialyzer is the cleaning waste from the blood in the process of dialysis.
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When individuals with a particular phenotype have higher fitness
when they are rare, this is called
positive frequency dependent selection
disruptive selection
stabilizing selection
Answers
When individuals with a particular phenotype have higher fitness when they are rare, this phenomenon is known as positive frequency-dependent selection.
In positive frequency-dependent selection, the fitness of a phenotype increases as it becomes less common in the population. This type of selection can arise due to various reasons. One possibility is that the phenotype provides an advantage in specific situations or environments where it is less likely to encounter competition or predation. In such cases, individuals with the rare phenotype have a higher chance of survival and reproductive success, leading to an increase in their fitness.
Positive frequency-dependent selection can also result from social interactions or cooperative behaviors. For example, in certain species, the success of a behavior or trait may depend on the presence or cooperation of other individuals with the same phenotype. In these cases, individuals with the rare phenotype may have an advantage in accessing resources or gaining cooperation, leading to increased fitness.
Overall, positive frequency-dependent selection promotes the maintenance of genetic diversity in populations by favoring rare phenotypes, which can contribute to the stability and adaptability of species in changing environments.
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A population that is becoming less diverse because of its individuals tending to be larger is most likely experiencing selection.
Answers
Answer:
A population that is becoming less diverse because of its individuals tending to be larger is most likely experiencing directional selection. The individuals that are larger are more favoured in the population, thus becoming less diverse.
Explanation:
Answer:
Directional
Explanation:
edge 2020
Which phrase describes a feature of chloroplasts that aids in the production
of sugar through photosynthesis?
OA. A rigid internal structure
B. Enzymes for breaking down proteins
C. A green pigment called chlorophyll
OD. A large network of membranes
Answers
C. A green pigment called chlorophyll
The diagram represents a chain of amino acids. The different shapes
represent direrent amino acias.
A scientist wants to produce a single strand of DNA that codes for this amino acid chain. How many nucleotides will be in the DNA that the scientist produces?
Answers
If a scientist wants to produce a single strand of DNA that codes for the given amino acid chain, there will be 18 nucleotides present in DNA, hence option D is correct.
Amino acids join together to create polypeptides, which are another name for proteins, through a chain of peptide bonds.
A codon is a DNA or RNA sequence of three nucleotides (a trinucleotide) that serves as a unit of genetic information and codes for a specific amino acid or serves as a stop signal for protein synthesis.
There are 64 distinct codons, of which 3 serve as stop signals and 61 identify amino acids.
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The given question is incomplete, so the most probable complete question is,
The diagram represents a chain of amino acids. The different shapes represent different amino acids. A scientist wants to produce a single strand of DNA that codes for this amino acid chain. How many nucleotides will be in the DNA that the scientist produces?
An image of the diagram is attached below.
A 5 nucleotides
B 6 nucleotides
C 12 nucleotides
D 18 nucleotides
Why does high air pressure usually indicate dry weather conditions? A) It is easier for condensation to occur and for clouds to form. B) It is harder for evaporation to occur and for clouds to form. C) The air particles are not closely packed together. D) The air particles have more room for water particles.
Answers
Answer:
B
Explanation:
High air pressure usually indicates dry weather conditions because It is harder for evaporation to occur and for clouds to form. Therefore, option B is correct.
Why does high air pressure usually indicate dry weather conditions?High air pressure usually indicates dry weather conditions because it is associated with descending air, which suppresses cloud formation and precipitation.
When air pressure is high, it means that the weight of the atmosphere above a particular location is greater than usual. This causes the air to sink down toward the Earth's surface, which creates a stable atmosphere. As the air sinks, it becomes warmer and drier, which inhibits the formation of clouds and reduces the likelihood of precipitation.
Therefore, high air pressure is generally associated with stable, dry weather conditions. Thus, option B is correct.
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Which of the following best describes how a biotic factor can limit the population growth in a species?
A sudden drop in temperature causes nearly half of the species' population to die.
A parasite invades the species and causes its population to decline.
Disease leads to a decline in the reproductive rate of the species' main predator.
Lack of rainfall over a long period of time forces the species to migrate to a new location.
Answers
The option that best describes how a biotic factor can limit the population growth in a species is as follows:
A parasite invades the species and causes its population to decline.Thus, the correct option is B.
What is Species?Species may be defined as a cluster of organisms that can reproduce with one another in nature and produce fertile offspring.
Temperature, rainfall, and diseases are the components of abiotic factors. Hence, all such options are not valid with reference to this question.
Therefore, the correct option for this question is B.
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WHEN GRAPHING, THE MANIPULATED VARIABLE ALWAYS GOES ON THE X AXIS.
True
False
Answers
Answer:
True.
Explanation:
Always label the manipulated variable on the x- axis and the responding variable on the y-axis.
Does allele segregation determine gamete frequencies (i.e., proportions)? According to Mendel's law of segregation,
Answers
Yes, allele segregation determines gamete frequencies. The two alleles for each gene segregate from one another during gamete production, according to Mendel's law of segregation, resulting in only one allele being present in each gamete.
If a population of plants has two alleles for flower color, red and white, and the frequency of the red allele is 0.6 while the frequency of the white allele is 0.4, then according to Mendel's law of segregation, in the next generation, the frequency of gametes carrying the red allele will be 0.6 and the frequency of gametes carrying the white allele will be 0.4.
This is based on the Hardy-Weinberg equilibrium hypothesis, which states that random mating and the absence of selection or genetic drift cause allele frequencies to remain constant over time.
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The complete question is:
According to Mendel's law of segregation, does allele segregation determine gamete frequencies (i.e., proportions)?
Name two major types of mutations. What do they have in common? How are theydifferent? Give an example of each.
Answers
Answer:
Two major categories of mutations are germline mutations and somatic mutations.Germline mutations occur in gametes. These mutations are especially significant because they can be transmitted to offspring and every cell in the offspring will have the mutation.
Somatic mutations occur in other cells of the body.
Germline mutations occur in gametes. These mutations are especially significant because they can be transmitted to offspring and every cell in the offspring will have the mutation.
Somatic mutations occur in other cells of the body.
How does selective gene expression benefit eukaryotes?
a) amino acid sequencing
b) fertilization
c) mutations
d) specialization of cells
Answers
Why is natural gas easier and cleaner mined than coal?
Answers
Extracting natural gas from underground is easier compared to coal, because of the following reasons:
1. Natural gas is trapped together with oil under a rock layer, when the drilling is finished, the natural gas comes out easily.
2. Natural gas is extracted from subsurface rock formations via drilling.
Also, natural gas is cleaner than coal because of the following reasons:
1. Natural gas emits almost 50% less CO2 than coal.
2. Natural gas can be released with drilling and fracturing. Vertical and horizontal drilling do not have that big effect on the eco-systems.
3. Coal-fired power plants emit not only carbon dioxide: other toxic gases impact people's health condition, these gases can lead to asthma or even to heart attack. Burning coal also comes with No and SO2 emissions, and these are linked to health problems such as asthma, lung cancer, and heart disease.
Natural gas has been proven to be cleaner than coal based on studies and emissions tests. According to the Worldwatch Institute, natural gas creates 47 percent less greenhouse gas emissions than coal does.
This fact is so significant that in the majority of global businesses, natural gas is now officially employed more frequently than coal. It burns more cleanly than coal and has significantly lessened the greenhouse impact, a problem for the environment.
Most people picture unclean people digging underground in dangerous conditions when the idea of generating and collecting coal is mentioned. This may not always be incorrect. Coal can be obtained by surface- or underground-level mining operations. Although these techniques work, the enormous equipment that is employed in the process adds to the environmental issues.
However, with the extraction of natural gas, production facilities now have access to items like fuel genies and natural gas compressors. Since these devices were made with the environment in mind, they aid workers in making their efforts successful and environmentally beneficial.
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According to decay theory, why does forgetting occur? Select one: a. because of the deterioration of the nervous system with increasing age.
b. because of competition from other memories
c. because of ineffective encoding of information.
d. because of the passage of time.
Which of the following is reflected in Sigmund Freud's concept of repression? Select one: a. ineffective encoding b. interference
c. decay d. retrieval failure
Answers
According to decay theory, forgetting occurs because of the passage of time.
Sigmund Freud's concept of repression reflects the idea of retrieval failure.
Forgetting is a common phenomenon in human memory, and decay theory suggests that it happens due to the natural fading or weakening of memories over time. When information is encoded into our memory, it creates neural connections and pathways in the brain. However, these connections can gradually weaken or decay if they are not reinforced or accessed frequently.
The main idea behind decay theory is that memories that are not regularly reinforced or retrieved may gradually decay, becoming more difficult to retrieve accurately. This decay occurs at the neural level, as the connections between neurons weaken over time, making the memory traces less effective in retrieving the information. As a result, memories that are not actively maintained through rehearsal or retrieval can become less accessible and eventually fade away.
Repression is a concept introduced by Sigmund Freud in psychoanalytic theory, and it refers to the unconscious blocking of traumatic or distressing memories from conscious awareness. According to Freud, individuals may repress memories that are too threatening or painful to consciously remember, pushing them into the unconscious mind.
Repression aligns with the concept of retrieval failure because the memories that have been repressed are not readily accessible to conscious retrieval. While the memories may still exist in the unconscious, they are effectively blocked or "forgotten" from the conscious awareness.
When attempts are made to retrieve repressed memories, they may remain inaccessible due to the psychological defense mechanism of repression. These memories are effectively "hidden" from conscious recall, making retrieval difficult or even impossible without specialized therapeutic techniques.
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Gel electrophoresis can be used to separate molecules by (Select all that apply)a) Lenghtb) sizec) charged) weighte) number of atoms
Answers
Gel electrophoresis can be used to separate molecules by:
a) Length
b) Size
c) Charge
In this process, molecules are separated based on their size and charge, as they move through a gel under the influence of an electric field. Larger molecules move slower than smaller ones, and the charge of the molecules influences their movement through the gel in the process of gel electrophoresis.
Gel electrophoresis is a widely used technique in molecular biology and biochemistry for separating macromolecules, such as DNA, RNA, and proteins, based on their size, charge, and shape. It involves the application of an electrical field to a gel matrix, usually composed of agarose or polyacrylamide, which acts as a molecular sieve to separate the molecules based on their physical properties.
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a 4.00-kg object is moving east at 2.00 m/s when it collides with a 6.00-kg object that is initially at rest. after the collision the larger object moves east at 0.800 m/s.
Answers
After the collision, the smaller object moves east at 0.800 m/s.
The question provides information about a collision between a 4.00-kg object moving east at 2.00 m/s and a 6.00-kg object initially at rest. After the collision, the larger object moves east at 0.800 m/s.
To determine the final velocity of the smaller object, we can use the principle of conservation of momentum. According to this principle, the total momentum before the collision is equal to the total momentum after the collision.
The momentum of an object is given by the product of its mass and velocity.
Before the collision, the total momentum is (4.00 kg) * (2.00 m/s) = 8.00 kg⋅m/s.
After the collision, the larger object moves east at 0.800 m/s.
To find the final velocity of the smaller object, we can subtract the momentum of the larger object from the total momentum and divide by the mass of the smaller object.
The momentum of the larger object is (6.00 kg) * (0.800 m/s) = 4.80 kg⋅m/s.
The momentum of the smaller object can be calculated by subtracting the momentum of the larger object from the total momentum: 8.00 kg⋅m/s - 4.80 kg⋅m/s = 3.20 kg⋅m/s.
Finally, we can find the final velocity of the smaller object by dividing its momentum by its mass: (3.20 kg⋅m/s) / (4.00 kg) = 0.800 m/s.
Therefore, after the collision, the smaller object moves east at 0.800 m/s.
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Calculate the number of ATP molecules produced from the oxidation of pyruvate if the cell is poisoned with Antimycin A.
Answers
The number of ATP molecules produced from the oxidation of pyruvate in the presence of Antimycin A is 0.
Antimycin A is a poison that inhibits the electron transport chain (ETC) in the mitochondria by blocking the transfer of electrons from Complex III to cytochrome c. This prevents the ETC from functioning, which in turn stops the production of ATP through oxidative phosphorylation.
In the process of cellular respiration, pyruvate is oxidized to produce energy in the form of ATP. However, when the cell is poisoned with Antimycin A, the ETC is disrupted, and oxidative phosphorylation cannot take place. As a result, no ATP can be produced from the oxidation of pyruvate under these conditions.
When a cell is poisoned with Antimycin A, the production of ATP through the oxidation of pyruvate is halted, leading to no ATP molecules being produced.
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Select the correct answer from each drop-down menu.
deductive reasoning is one of the two scientific methods used in archaeology.
deductive reasoning is a
"blank"
approach because it generates a hypothesis by working from
generic
concept to
specific
conclusion.
Answers
Deductive reasoning is a sort of logical reasoning that starts with a broad concept and comes to a specific conclusion. It is also known as top-down thinking or moving from the general to the specific. Here the blank will be logical approach.
What is Deductive reasoning?Deductive reasoning is a type of deduction that is used in both science and life in general.
It takes place when two true statements, or premises, are combined to form a conclusion.
A is equal to B, for example. B is also the same as C. Using deductive reasoning, one can conclude A is equal to C given those two statements.
It is a type of logical reasoning that begins with a broad concept and progresses to a specific conclusion.
Thus, deductive reasoning is a logical approach.
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Cyclosporine is a drug sometimes used to prevent transplant rejection after organ transplant surgery. This drug specifically disrupts cell-mediated immunity by cytotoxic T cells. Which of these events can be predicted based on this information?
-Antigen presentation by macrophages and dendritic cells will be impaired.
-T helper cells will no longer be produced.
-Autoimmune disorders will be a potential side effect.
-Antibody production will NOT be disrupted in the recipient.
-The recipient will be susceptible to repeated infections with common bacteria such as staphylococci and streptococci.
Answers
Based on this information, it can be predicted that antigen presentation by macrophages and dendritic cells will be impaired. Cyclosporine is an immunosuppressive medication that acts to disrupt the immune system's response to foreign bodies such as transplanted organs.
This drug has the ability to selectively inhibit T cell function by blocking the production of a molecule called interleukin-2 (IL-2), which is required for the activation and proliferation of T cells. As a result, cyclosporine prevents the immune system from attacking the transplanted organ. It is important to note that the use of cyclosporine is not without side effects.
For example, since cyclosporine impairs cell-mediated immunity, patients who take it may be more susceptible to infections, particularly those caused by intracellular pathogens like fungi and viruses. Furthermore, autoimmune disorders are a potential side effect of cyclosporine use.
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20. Evaluate Why is it misleading to describe science
as a collection of facts
Answers
Answer:
it is misleading because different answers can be found while conducting experiments depending on the experiment and science sometime can not be true in certain instances
which are false ;-;
Answers
Answer:
an organisms phenotype is only made up of genes, the last bottom one
Explanation:
In humans, hair texture demonstrates incomplete dominance. A straight-haired man (C1C1) and a curly-haired woman (C2C2) want to have a baby. What are the chances that they will produce a curly-haired baby (C2C2)?
0%
25%
50%
100%
Answers
The chances of producing a curly-haired baby (C2C2) can be determined by understanding the inheritance pattern of hair texture and the genotypes of the parents is 0%. Thus, option A is correct.
In humans, hair texture is thought to be controlled by multiple genes, and the inheritance pattern may not follow simple Mendelian genetics. However, for the purpose of this question, let's assume that hair texture is determined by a single gene with incomplete dominance.
Incomplete dominance means that neither allele is completely dominant over the other, resulting in an intermediate phenotype in heterozygous individuals. In this case, the straight hair allele (C1) is not completely dominant over the curly hair allele (C2), and vice versa.
Given that the straight-haired man is homozygous for the straight hair allele (C1C1) and the curly-haired woman is also homozygous for the curly hair allele (C2C2), the possible genotypes of their offspring will be heterozygous (C1C2) for hair texture.
Therefore, based on the information provided, it is not possible for the straight-haired man (C1C1) and the curly-haired woman (C2C2) to produce a curly-haired baby (C2C2) with 100% certainty. The correct answer is 0%.
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the term means urinary incontinence during sleep. it is also known as bed-wetting.
Answers
Nocturnal enuresis is the term used to describe urinary incontinence during sleep, commonly referred to as bed-wetting.
It is characterized by the involuntary release of urine during nighttime sleep, typically in children. Nocturnal enuresis can have several underlying causes, including delayed maturation of the bladder, hormonal imbalances, genetic factors, or psychological factors.
It is important to note that nocturnal enuresis is not a deliberate behavior or a sign of laziness or disobedience. Treatment options for nocturnal enuresis may include behavioral techniques, such as bedwetting alarms and nighttime voiding schedules, as well as medication in certain cases.
Understanding and providing support for individuals experiencing nocturnal enuresis is crucial in managing the condition and promoting overall well-being.
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You are viewing an organ of the respiratory system and note the following tissues: folded mucosal layer containing simple cuboidal epithelium and smooth muscle, shifting into simple squamous epithelia. Identify the organ.
Answers
Answer:
Respiratory bronchiole
Explanation:
The respiratory bronchioles represent the narrowest airways within the lung, being continuations of terminal bronchioles that have approx. 0.5 mm in size. The epithelium of the respiratory bronchiole is composed of cuboidal ciliated cells and a small number of non-ciliated (secretory) Clara cells. The respiratory bronchioles lead into alveolar ducts composed of smooth muscle and connective tissue (i.e., elastin and collagen), connecting the respiratory bronchioles to the alveolar sacs.
Which of the following best summarizes photosynthesis? *
Answers
Describe an example of a plant cell that is specialized for a specific function. What is special about the cell that allows it to perform this specific function?
Answers
A plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.
What is cell differentiation?Cell differentiation refers to the specialization by which cells can perform specific functions.
Mesophyll cells in the plant leaves are specialized cells that contain chloroplasts, which are organelles where photosynthesis occurs.
In conclusion, a plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.
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During translation, what is read to determine the type of amino acid that is added to the growing protein?.
Answers
The proofreading or read of type of amino acid is based on codon on mRNA and anti-codon on tRNA.
The final step of the translation process is frequently translation proofreading. After a piece has been translated, proofreaders carefully go through and modify it to find any flaws.
Despite the fact that most translations are now automated, proofreading still calls for human involvement. This is because, despite their ability to speed up turnaround times, machine translations are not error-free.
Therefore, before delivering a translated document to a client, translation agencies use separate teams of proofreaders to conduct multiple reviews of the translation.
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Describe the type of plate movement that is occurring where subduction zone volcanoes are found.
Answers
Answer:
Convergent boundary
Explanation:
It's when the plates move together and subduction occurs when one plate moves underneath another on a convergent boundary. Volcanoes are found there.
P.S. Brainliest, please?
1. . What is facilitated diffusion?
2. Name one type of proteins are involved in facilitated diffusion?
3. True / False: Diffusion of water and facilitated diffusion require energy from a cell.
4. Diffusion of water and facilitated diffusion are forms of
transport.
__________________
5. What is osmosis?
6. Controlling osmosis is important in helping a cell maintain
which is a stable internal environment.
_____________________
7. In osmosis, water molecules move toward the region of
concentration.
___________________
8. Osmosis works because water molecules (solvent) can move through a membrane, but __________________________ cannot.
9. Two solutions that have equal concentrations are said to be ________________.
10. If a red blood cell is placed into a hypertonic solution, what will happen to that red blood cell?
Answers
Answer:
1. is the process of a spontaneous passive transport of molecules or ions across a biological membrane.