what may affect the rate of an enzyme-driven reaction
Answers
Answer:
Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators.
Explanation:
Related Questions
Which of the following best explains why humans need constant supplies of fresh water? a. Humans need a constant supply of water to provide them with essential vitamins. B. Humans need a constant supply of water to maintain proper hygiene. C. Constant supplies of freshwater are needed because body water is continually being lost. D. Constant supplies of freshwater are not actually necessary for survival. Please select the best answer from the choices provided A B C D.
Answers
Answer:
C. Constant supplies of freshwater are needed because body water is continually being lost.
In your own words explain why the color of most leaves make a good tool for photosynthesis
Answers
Answer:
Chlorophyll absorbs red and blue light from the sunlight that falls on leaves. Therefore, the light reflected by the leaves is diminished in red and blue and appears green.
Explanation:
Describe the shape of a spider web observed during an investigation of living and non living things in your backyard is an example of _________. measurement
Answers
Answer:
Qualitative
Explanation:
There's two kinds of observation in the scientific method: quantitative and qualitative.
Quantitative is like physical measurement, actual numbers and such. Such as height, weight, etc.
Qualitative is like color, descriptions, shape etc.
Therefore, I think answer should be Qualitative.
Which human activity has the most negative effect on the stability of an ocean environment
Answers
Answer:
putting motor oil or leakage of oil in oil carrying ships
please choose the statement which best describes the goal(s) of antimicrobial susceptibility testing. multiple choice a. antimicrobial susceptibility testing can accomplish all of these goals b. to determine which antimicrobial drug is most effective at inhibition of the causative agent c. to determine which antimicrobial drug is least likely to cause allergic reactions d. to determine which antimicrobial drug is least likely to cause toxicity e. to determine which antimicrobial drug the patient is most sensitive to
Answers
The goal of antimicrobial susceptibility testing is: option (B) states that "to determine which antimicrobial drug is most effective at inhibition of the causative agent".
This is because antimicrobial susceptibility testing tests the ability of an antimicrobial drug to inhibit or kill a particular type of bacteria or microorganism. It helps determine which drug will work the best to treat an infection.
This is important because it can help doctors choose the most effective drug for the particular infection. It also helps determine the least likely drug to cause allergic reactions, toxicity, or other adverse effects in the patient.
Ultimately, the goal of antimicrobial susceptibility testing is to determine which antimicrobial drug the patient is most sensitive to, so that the most effective treatment can be used.
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What we got wrong about metabolism scientific american?
Answers
Metabolism is a complex and dynamic process that involves many different chemical reactions that take place in cells.
As a result, scientists have learned a lot about metabolism over the years, but there are also some things that have been understood incorrectly or incompletely.
One example is that scientists used to think that the primary role of metabolism was to produce energy in the form of ATP (adenosine triphosphate) and that it was a linear process with simple inputs and outputs.
However, we now understand that metabolism is not only about producing energy, but also about building and maintaining the structures of cells, detoxifying harmful molecules, and supporting the immune system. It's a complex network of biochemical reactions that can't be reduced to just one single function.
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Scientists have been studying the size of three populations in Peru. In this ecosystem, pumas (large wild cats) eat deer, and deer eat grass. The data showed that all three populations were stable. Then the puma population increased suddenly. What will most likely happen to the size of the deer population as a result?
Answers
Explanation :
The Puma population would need more energy and food source, leading to a decrease in the deer population.
Answer:
hen the puma population in an ecosystem increases suddenly, it is likely to have an impact on the size of the deer population.
Here's what might happen to the deer population as a result:
1. Increased predation: With more pumas in the ecosystem, there will be a higher number of predators hunting deer. This means that the pumas will be consuming more deer than before, leading to a decrease in the size of the deer population.
2. Competition for resources: As the puma population grows, there might be increased competition between pumas and deer for resources such as food and shelter. This competition could further impact the deer population by limiting their access to essential resources and potentially reducing their population size.
3. Altered behavior of deer: Due to the increased presence of pumas, deer may alter their behavior to avoid predation. They might change their feeding patterns, become more vigilant, or avoid certain areas. These behavioral changes could have indirect effects on the deer population, possibly leading to changes in their distribution and population size.
4. Cascade effects: The changes in the deer population can also have indirect effects on other organisms in the ecosystem. For example, a decrease in the deer population could lead to an increase in the availability of grass, which may then affect other herbivores or plants in the ecosystem. These cascade effects can further influence the overall dynamics of the ecosystem.
It's important to note that while these are potential outcomes, the actual impact on the deer population would depend on various factors such as the rate of puma population increase, availability of alternative prey, and the resilience of the deer population to predation pressure. Studying such interactions in ecosystems helps scientists understand the complex dynamics that shape populations and maintain ecological Balance
I will give brailiest to whoever answers this.
Answers
Explanation:
27.The membrane is semi permeable so only some things are able to travel through the membrane.
a)the salt will move from salt high concentration to low concentration with its gradient through diffusion.
b)The glucose particles will stay where they are because they can not cross the membrane.
c)the water will also move from right to left due to osmosis. the water will want to make the concentration of glucose on both sides equal so it will move from a low to high concentration.
Answer:
Explanation:
I need the points.
Can someone help me with 1-5 please!!
Answers
Answer:
no i don't know i am physic students
Answer:
4 is D
Explanation:
Bent little finger (B) is dominant over straight little finger (b). A student has bent little finger, but their Mom has straight little finger. Without even knowing the Dad's phenotype, what is the student's genotype? O a. BB Ob. Bb O c. bb O d. There is no way to be sure, because we don't know Dad's genotype. Value: 2 Widow's peak is dominant over lacking a widow's peak. Sophia has a widow's peak, just like both her parents. Are we sure she is PP? O a. Yes, she is PP because both parents have the dominant trait. O b. No, there is still a chance she could be Pp. That might occur if either parent was Pp. O c. No, she could be PP, Pp, or pp. All are possible depending on her parent's genotypes. Value: 2 Dark brown eyes (B) are dominant over light colored eyes (b). A student has blue eyes (light), but she is adopted. Do we know her genotype? O a. BB O b. bb O c. There is no way to be sure without knowing the genotype of at least one of her parents. O d. Bb
Answers
The student's genotype is either Bb or BB.
Based on the given information, we know that a bent little finger (B) is dominant over a straight little finger (b). The student has a bent little finger, indicating that they possess the dominant trait. However, since we do not know the genotype of the student's father, we cannot determine the exact genotype of the student.
If the student's mother has a straight little finger (bb), then the student must have inherited the bent little finger allele from their father. In this case, the student's genotype would be Bb, with one copy of the dominant allele and one copy of the recessive allele.
On the other hand, if the student's mother has a bent little finger (Bb or BB), the student could have inherited either a dominant allele from the mother (BB) or one copy of the dominant allele from the mother and one copy of the recessive allele from the father (Bb). Therefore, the student's genotype could be either BB or Bb.
In conclusion, without knowing the genotype of the student's father, we cannot determine the exact genotype of the student. However, based on the given information, the student's genotype is either Bb or BB.
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to improve cardiorespiratory endurance the frequency of the workout sessions should be
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Answer:
cardiorespiratory endurance?In summary, to improve cardiovascular fitness, a regular aerobic exercise program, repeated 3–5 times per week for 20–60 minutes and at an intensity of 142–186 BPM
Explanation:
what are spiny skinned animals characteristics??? (PLS HELP DUE IN 15B MINUTES PLS HELP URGENT 20 POINTS )
Answers
The characteristics of spiny-skinned animals are as follows:
They are exclusively free-living marine animals. These are triploblastic and true coelomates with an organ-system grade of organization. Adult animals are radially symmetrical but larvae remain bilaterally symmetrical.They generally consist of organisms of phylum Echinodermata.They have an endoskeleton made of calcium carbonate.What are spiny-skinned animals?Spiny-skinned animals may be characterized as the type of animals that are sea stars (starfish), sea urchins, sand dollars, sea cucumbers, and sea lilies. They all live in marine waters. And scientists have classified them all in the phylum Echinodermata. “Echino” means “spiny animal”, and “derm” means “skin”.
Spiny-skinned animals are placed in Echinodermata. The spines on the skin in echinoderms are part of the endoskeleton. The endoskeleton is made up of calcium carbonate plates called ossicles that bear spines that project outside.
Therefore, the characteristics of spiny-skinned animals are well described above.
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Which biogeochemical cycle plays a significant role in maintaining earth's radiation balance?
Answers
The biogeochemical cycle that plays a significant role in maintaining Earth's radiation balance is the carbon cycle. This cycle involves the exchange of carbon dioxide (CO2) between the atmosphere, oceans, land, and living organisms.
The carbon cycle is crucial in regulating Earth's radiation balance because it controls the levels of greenhouse gases in the atmosphere. Greenhouse gases, including carbon dioxide, trap heat from the Sun, creating the greenhouse effect that keeps our planet warm. However, excessive amounts of greenhouse gases can lead to global warming and climate change.
Through the carbon cycle, plants absorb carbon dioxide from the atmosphere during photosynthesis, converting it into organic matter. When organisms respire or decay, carbon dioxide is released back into the atmosphere. Additionally, the burning of fossil fuels also releases carbon dioxide. The oceans also play a role by absorbing and releasing carbon dioxide.
In summary, the carbon cycle helps maintain Earth's radiation balance by regulating the levels of greenhouse gases, such as carbon dioxide, in the atmosphere. This cycle is essential in preventing excessive heating of the planet and maintaining a stable climate.
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Please write down prearation of perment slides of pollen grains by acetolysis method and study of different pollen characters: study of variation pattern in different taxa.
Answers
Answer is given below
Explanation:
Collection and preservation of pollen material: In clean glass pots containing 70% glacial acetic acid, some of the stamens are applied with clean forceps prior to flower synthesis and sometimes protected from diamonds or mature flower buds. Some polyologists recommend 70% ethyl alcohol to preserve feathers in place of glacial acetic acid. In this condition, pollen-filled feathers can be stored indefinitely. The wings are transferred to a centrifuge tube and rinsed well with distilled water.the wings are crushed with a glass rod and the mixture is filtered through a cheesecloth or sieve. The lower part is recalled in the centrifuge tube. A freshly prepared acetolysis mixture containing acetic anhydride and concentrated H2SO4 (sulfuric acid) in a ratio of 9: 1 is poured into a centrifuge tube containing the washed pollen. Care must be taken to connect the conceider. H2SO4 by acetic anhydride drop to prevent overheating. The acetolysis solution reacts violently with water. Glacial acetic acid washers are required to replace water with acetic acid, which does not react violently with the acetolysis solution. Although the acetolysis process varies from pathologist to pulmonologist, the following approach seems to be the most appropriate. From the first to the last acetic acid wash, care is taken regardless of the water solution. Only distilled water should be used for washing to prevent contamination.How do pregnancy and HRT influence breast cancer risk?
Answers
There are two main types of HRT:
combination HRT contains the hormones estrogen and progesterone
estrogen-only HRT contains only estrogen
Each type of HRT seems to have a different effect on breast cancer risk.
Combination HRT increases breast cancer risk by about 75%, even when used for only a short time. Combination HRT also increases the likelihood that cancer may be found at a more advanced stage, as well as increasing the risk that a woman diagnosed with breast cancer will die from the disease.
Women who are older than 30 when they give birth to their first child have a higher risk of breast cancer than women who have never given birth (15). Recent childbirth. Women who have recently given birth have a short-term increase in breast cancer risk that declines after about 10 years. During pregnancy and lactation, the levels of estrogen and prolactin are increased, and some studies demonstrate that high levels of estrogen and prolactin are associated with the development of breast cancer.
Categorize each carbohydrate listed as either a monosaccharide, disaccharide, or polysaccharide.
Answers
The classification are;
Monosaccharide - Fructose and glucose
Disaccharide - lactose
Polysaccharide - starch and cellulsoe.
What are polysaccharides?Complex carbohydrates called polysaccharides are made up of long chains of simple sugars called monosaccharide units that are connected by glycosidic linkages. They are large, heavy macromolecules that have a variety of jobs to do in living things.
Monosaccharides like glucose, fructose, or galactose are frequently repeated to form polysaccharides. diverse polysaccharides have diverse qualities and functions depending on how they are organized and what kinds of monosaccharides they contain.
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Which best states a theme of "Birdfoot's Grampa”?
Never give up, even when victory looks unlikely.
Arguments often occur during family trips.
All living things have value and should be helped.
Traveling by car on dark roads is dangerous.
Answers
Answer:
C) "All living things have value and should be helped"
Answer:
C: All living things have value and should be helped.
Explanation:
19. What are the components of a chemical reaction?
Answers
Answer:
Product and reactants
Explanation:
hope this helped you.
Did you restate the hypothesis (or prediction) you formulated before the experiment?
Answers
Answer:
Restate your hypothesis and then state clearly and concisely whether or not your hypothesis has been supported by the experiment.
a population of sparrows is exposed to directional selection on beak depth such that the mean value of breeding individuals deviates from the population mean by 0.1, 0.5, 0.01. -0.05 and 0.02 mm over 5 successive generations. if the heritability (narrow sense) of beak depth is constant at 0.5, and the mean before any selection was 2.75 mm, what would be the mean values of beak depth in each generation? please show your work.
Answers
The mean values of beak depth in each generation would be; First generation: 2.80 mm, Second generation: 3.00 mm, Third generation: 2.755 mm, Fourth generation: 2.725 mm, and Fifth generation: 2.76 mm.
The response of a trait to selection can be predicted using the breeder's equation; R = h² × S
Where R is the response to selection, h² is the narrow-sense heritability of the trait, and S is the selection differential, which is the difference between the mean of the selected individuals and the mean of entire population.
In this case, we are given the values of S for five successive generations, and we know that the heritability of beak depth is constant at 0.5. The starting mean for beak depth is 2.75 mm. We can use the breeder's equation to calculate the mean value of beak depth in each generation.
For the first generation, the selection differential is 0.1 mm. Plugging in the given values into the breeder's equation, we get;
R = 0.5 × 0.1 = 0.05
The response to selection is 0.05 mm, which is the change in the mean value of beak depth from the starting mean of 2.75 mm. Therefore, the mean value of beak depth in the first generation would be;
2.75 + 0.05 = 2.80 mm
For the second generation, the selection differential is 0.5 mm. Plugging in the given values into the breeder's equation, we get;
R = 0.5 × 0.5 = 0.25
The response to selection is 0.25 mm, so the mean value of beak depth in the second generation would be;
2.75 + 0.25 = 3.00 mm
For the third generation, the selection differential is 0.01 mm. Using the breeder's equation, we get;
R = 0.5 × 0.01 = 0.005
The response to selection is 0.005 mm, so the mean value of beak depth in the third generation would be;
2.75 + 0.005 = 2.755 mm
For the fourth generation, the selection differential is -0.05 mm. Since the mean value of breeding individuals is less than the population mean, this is called disruptive selection. Using the breeder's equation, we get;
R = 0.5 × (-0.05) = -0.025
The response to selection is negative, indicating that the mean value of beak depth in the population will decrease from the starting value. Therefore, the mean value of beak depth in the fourth generation would be;
2.75 - 0.025 = 2.725 mm
For the fifth generation, the selection differential is 0.02 mm. Using the breeder's equation, we get;
R = 0.5 × 0.02 = 0.01
The response to selection is 0.01 mm, so the mean value of beak depth in the fifth generation would be;
2.75 + 0.01 = 2.76 mm
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What feedback mechanisms help you regulate your body temperature?
Answers
Answer:
It would be negative feedback.
Explanation:
The reason negative feedback is the type of feedback mechanism that helps you regulate your body temperature is because it reduces excessive responses and keeps a variable within the normal range.
What are the three main functions of bones?
1.) bones help support and move muscles, protect vital organs, and store essential minerals such as calcium.
2.) bones connect and support internal organs, protect vital organs, and store essential minerals such as calcium.
3.) bones help support and move muscles, protect blood vessels and veins, and store essential minerals such as insulin.
4.) bones connect and support internal organs, protect blood vessels and veins, and store essential minerals such as insulin.
is it 1, 2, 3, or 4?
Answers
Answer:
2.) bones connect and support internal organs, protect vital organs, and store essential minerals such as calcium.
Explanation :
Bone makes up the body’s skeleton. There are 206 bones in the human body.
FUNCTIONS OF BONES:
Bone provides shape and support to the body.
It protects the internal organs present in the body
internal organs present in the body
It acts as a storage site for fats and minerals like calcium etc.,
Bones help in the development of the blood cells.
It helps in facilitating movements.
Just look at the pic
Answers
Answer:
This diagram describes the process of Translation
Explanation:
Translation - using information from mRNA to form a protein
According to the codons of mRNA,tRNA molecules with matching/complementary anticodons bring the required amino acids to the
ribosome.
The amino acids link together by peptide bonds
to form the required proteins.
abeg help me !!! how is momentum conserved when the big rolling ball hits the smaller rolling ball?
The big ball gives all of its momentum to the small ball.
The small ball had no momentum before the collision, and afterward it has all the momentum.
The big ball transfers some of its momentum to the small ball, but it keeps going forward, too.
Momentum is not conserved when the two balls collide.
Answers
Answer:
B. the big ball transfers some of its momentum to the small ball but it keeps going forward too
Explanation:
Answer:
The small ball had no momentum before the collision, and afterward it has all the momentum.
Explanation:
I took the tes and got it right thx to the person above
What is the definition is Heterogeneous?
Answers
Answer:
Heterogeneous consists of the structure with various components or elements appearing to be irregular or variegated.
Explanation:
An example of this definition is a dermoid cyst in which has the components of a heterogeneous attenuation on CT.
Predict what the effect of a powerful fungicide that killed almost all fungi have on humans and animals. The plants would no longer have any competition and could provide more food for the animals and humans. The amount of waste would build up and the toxins produced would harm the animals and humans The humans and animals would not have any more parasites that could harm them The ecosystems where the fungi were eliminated would flourish and provide more food for the animals and humans
Answers
Answer:
The correct answer is option b. "The amount of waste would build up and the toxins produced would harm the animals and humans".
Explanation:
Fungi play a significant position in the ecosystem as decomposers and reuseable. When fungi consume the waste they encourage those other organisms to consume elements such as phosphorus and nitrogen from decomposing matter.
If a dominant fungicide would kill almost all fungi, the amount of scrap would strengthen up and the toxins constructed would injure the humans and animals.
during the yeast fermentation lab, why did glucose show a higher rate of fermentation than starch? multiple choice starch is a disaccharide. starch is a polysaccharide. glucose is a disaccharide. glucose is a polysaccharide.
Answers
During yeast fermentation lab, glucose shows a higher rate of fermentation than starch as : starch is a polysaccharide.
What happens in yeast fermentation?During the yeast fermentation, glucose is converted to ethanol and carbon dioxide by the action of yeast enzymes. Starch is a complex carbohydrate that is made up of many glucose units linked together in chain. In order for yeast to ferment starch, the starch must be broken down into component glucose molecules, which takes time and requires additional enzymes.
Therefore, glucose shows higher rate of fermentation than starch because it is already in the form of simple sugar that can be readily metabolized by yeast. Starch, being a polysaccharide, is more complex and hence requires more processing before it can be used by yeast for fermentation.
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What is the basic unit of structure and function of all living organisms?
a. mitochondrion
b .DNA
c. nucleus
d. cell
Answers
The cell is the basic unit of structure and function of all living organisms.
What are the functions of a cell?They form the structure of the body, take nutrients from food, convert them into energy and perform special functions. Cells also contain the body's genetic material and can make copies of themselves.
Cells must perform 11 main functions to sustain and preserve life: absorption, digestion, respiration, biosynthesis, excretion, excretion, secretion, movement, excitability, homeostasis and reproduction.
A cell is surrounded by a membrane with receptors on its surface. Inside the cell are several small structures, including the nucleus, mitochondria, endoplasmic reticulum, and the Golgi complex. They all have specific functions in the cell.
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Why testes is extra abdominal in position in man ?
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Identify the stage of mitosis each lettered plant cell is in:
Answers
The stages here include A >> anaphase, B >> prophase, C >> telophase, D >> prophase (maybe prometaphase), and E >> interphase.
What is the prophase stage in the cell cycle?The prophase stage in the cell cycle is the first stage of the cell division cycle where chromosomes condense to form well differentiated structures that will match during the metaphase and thus will allow the correct segregation of the genetic material during the cell division.
Therefore, with this data, we can see that the prophase stage in the cell cycle is a stage when chromosomes condense.
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