the turnover number for an enzyme is known to be 5000 min-1. From the following set of data, compute the Km and the total amount of enzyme present int these experiments.Substrate concentration (mM) Initial velocity (\mumol/min)1 1672 2504 3346 376100 4981000 499a.) Vmax for the enzyme is _____________. briefly explain how you determined Vmaxb.) Km for the enzyme is _______________. brielfy explan how you determined Km.c.) Total enzyme= ______________\mumol.

Answers

Answer 1

Vmax = 499 μmol/min, Km = 2.34 mM, Total enzyme = 99.8 μmol.

What is the Vmax, Km, and total amount of enzyme present given substrate concentration and initial velocity data with a turnover number of 5000 min-1?

To determine Vmax, we need to find the maximum initial velocity of the enzyme at saturating substrate concentration. From the given data, we can observe that the initial velocity reaches a plateau at substrate concentrations higher than 1000 mM.

Therefore, we can assume that the maximum initial velocity of the enzyme occurs at 4981 mM substrate concentration. Therefore,

Vmax = 499 μmol/min

To determine Km, we can use the Michaelis-Menten equation, which relates the initial velocity of an enzyme to the substrate concentration and the enzyme's kinetic constants.

V0 = Vmax [S] / (Km + [S])

We can rearrange this equation to obtain a linear equation that can be used to determine Km.

1/V0 = (Km/Vmax) * (1/[S]) + 1/Vmax

We can plot 1/V0 against 1/[S] and determine the slope and y-intercept of the resulting line. The slope will be Km/Vmax, and the y-intercept will be 1/Vmax.

Using the given data, we can calculate the values of 1/V0 and 1/[S].

[S] (mM) V0 (μmol/min) 1/V0 1/[S]

1 167 0.0059 1

2 250 0.004 0.5

4 334 0.003 0.25

6 376 0.0027 0.167

10 498 0.002 0.1

100 498 0.002 0.01

1000 499 0.002 0.001

4981 499 0.002 0.0002

We can then plot 1/V0 against 1/[S] and obtain a linear regression line.

plot of 1/V0 vs. 1/[S]

The slope of the line is 0.0047, which is Km/Vmax. Therefore,

Km = slope * Vmax = 0.0047 * 499 = 2.34 mM

To determine the total amount of enzyme present in these experiments, we need to know the units of enzyme activity that were measured. Assuming that the enzyme activity was measured in μmol/min, we can use the definition of turnover number (kcat) to determine the total amount of enzyme present.

kcat = Vmax / [E]

where [E] is the concentration of enzyme in the reaction mixture.

From the given turnover number, kcat = 5000 min^-1. Therefore,

[E] = Vmax / kcat = 499 / 5000 = 0.0998 μM

To determine the total amount of enzyme present, we need to know the total volume of the reaction mixture. Let's assume that the total volume was 1 mL. Therefore,

Total enzyme = [E] * volume = 0.0998 μM * 1 mL * 1000 μmol/μM = 99.8 μmol

Therefore, the total amount of enzyme present in these experiments is 99.8 μmol.

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How do living organisms maintain homeostasis within their bodies?

Answers

Answer:

The body regulates those levels in an example of homeostasis. When levels decrease, the parathyroid releases hormones. If calcium levels become too high, the thyroid helps out by fixing calcium in the bones and lowering blood calcium levels. The nervous system helps keep homeostasis in breathing patterns.

Explanation:

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Answer:

Look below.

Explanation:

They maintain homeostasis by regulating temp, glucose, toxins, blood pressure, and pH.

describe in on way in which the body gets rid of lactic acid

Answers

lactic acid buildup is a harmless response to strenuous exercise and will go away on its own. Once the body has used the resulting lactate for energy, the liver breaks down any excess in the blood.

What is the difference between flu viruses and the measles virus?

Answers

Answer:Influenza and measles are viruses that both cause respiratory symptoms. The typical measles rash does not appear for 2-4 days, so during influenza season, symptoms of early measles can be confused with influenza.

Explanation:

Explanation:

Vaccines for both measles and flu already exist, however the flu vaccine must be updated because of the virus's ability to change and adapt in order to invade cells in the human body. The goal of researchers was to find genes in each virus that cannot survive changes.

By comparing two similar viruses which attack the body in similar ways through the lungs, researchers confirmed that the measles virus is much less open to evolutionary change by using an experimental technique called insertional mutagenesis to change the genes of each virus.

The pituitary gland is most similar to:
A A worker in a factory
B A mail carrier
C The boss of a big office
D A security guard or police officer

Answers

Answer:

C. The boss of a big office

Explanation:

It tells all the other hormones what to do

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Does Genetic Modified Organism ( GMO ) make an apple bigger?​

Answers

Answer:

the data only can determine the based on the replica of the fruit.

Explanation:

when fruit is genetically modified it's genetically is copied and the process of growing is sped up. in some since the fruit can change in size due to the result of multiple gene copies.

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Nicole lives in the Arctic which has a temperature as low as –40°C.
(a) What class of food should Nicole consume continuously to adapt herself to the cold temperature?

Answers

Organic and healthy foods.

Oats, bananas, red meats, but STAY AWAY from drugs & alcohol!

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What would happen to the members of a food web if most of the trees died?
A. only the trees will be effected
B. only things that eat tree leaves will have less to eat
C. Nothing will happen
D. The whole food web will be disrupted

Answers

D is the correct answers
D is the right response

What is the mass of a box accelerating at 3 m/s^2 applying 36 N of force? Hint: Mass = force / acceleration​

Answers

Answer:

I have attached a picture of me explaining how to find the mass. Hope this helps, thank you !!

How does an organism obtain C6H12O6 and O2 to
undergo respiration?

Answers

Answer:

oxygen is given off during photosynthesis as a waste product

Explanation:

this is something that only plants and some algae and bacteria can do. they take sunlight and combined C02 and H20. they create glucose (C6H1206) and oxygen gas (02).

Which statements describe how traits are inherited? Check all that apply. An offspring always receives different alleles from each parent. An offspring always receives the same alleles from each parent. An offspring can receive different alleles or the same alleles from each par Traits are inherited when proteins are passed from parents to offspring. Traits are inherited when genes are passed from parents to offspring. ​

Answers

Answer:

Traits are inherited when genes are passed from parents to offspring.

Explanation:

that is the definition of family traits

Answer:

An offspring can receive different alleles or the same alleles from each parent

and

Traits are inherited when genes are passed from parents to offspring

Explanation:

how do you understand geological hazards?​

Answers

Answer:

Geologic Hazards

Seismic hazards related to earthquakes, including ground rupture/faulting, liquefaction, strong motion, and tsunami.Landslides of all kinds, including seismically-triggered landslides, debris flows, mud flows, and rock falls.Mineral hazards such as asbestos, radon, and mercury.

Explanation:

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When people living on hills put in concrete barriers, plywood fencing, and drainage pipes, they are trying ______________________

Answers

Answer: slow erosion down

Explanation:

What are 2 characteristics of index fossils?

Answers

A useful index fossil must be distinctive or easily recognizable, abundant and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.

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Help with this plz
Thanks. :)

Answers

If a mutation results in an organism with new characteristics then eventually a new species will be formed if more such mutations will continue to accumulate in the individual. Mutations result into the accumulation of variations in an individual and when such variations keep on accumulating in a particular organism consistently it leads to formation of a new species or we can say that evolution has occured.

A mutation is a random change in DNA which therefore affects a gene and/or chromosome. Most mutations have no effect on the phenotype. Some influence phenotype to some extent. Very few create a new phenotype. Mutations can be inherited and therefore passed on from one individual to another. If a mutation causes a new phenotype that makes an organisms better suited to a particular environment, it can lead to rapid change in the characteristics of the individuals in that species.

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1. What are the different properties of light that apply to the image formation of
optical devices such as mirrors and lenses?​

Answers

Answer:

Optical instruments are based on optics. They use mirrors and lenses to reflect and refract light and form images. The light microscope and telescope use convex lenses and mirrors to make enlarged images of very tiny or distant objects. A camera uses a convex lens to make a reduced image of an object.

The property of light that is important to the image formation in mirrors is reflection. The property of light that is important in the formation of an image by lenses is refraction.

Light refers more specifically to the portion of the electromagnetic spectrum that is perceivable with the optical eyes. There are several properties of light such as reflection, refraction, diffraction, interference, etc.

The property of light that is important to the image formation in mirrors is reflection. The property of light that is important in the formation of an image by lenses is refraction.

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How many times more erosion occurs in a soil with 3% moisture than a soil with 7% moisture is a 15 m s-1 wind?

Answers

Answer:

Twice.

Explanation:

If a soil with 3% moisture has twice the rate of erosion as compared to the soil having 7% moisture if both experience same speed of wind i. e. 15 m/s. This is because moisture held the particles of soil tightly with each other and prevent erosion in the soil so if the moisture becomes half in the soil then the rate of erosion is twice or doubled at constant wind speed.

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How are the organs attached to the other body systems?

Answers

the body has levels of organisms that built on each other cells make up tissues, tissues make up organs, and organs make up organs system the function of an organs system

depends on the the integrated activity of it organs for instance digestive system organs corporate to process food

PLEASE HELP ASAP Match each word with the phrase that best defines it.
informal
a statement that is objective or unchanging
fact
done in a way that is friendly or casual
formal
a statement that is subjective or based on
interpretation
topic
done in a way that is suitable, appropriate,
or based on guidelines
opinion
the main point of a given subject

Answers

Answer:

fact: a statement that is objective or unchanging

informal: done in a way that is friendly or casual

formal: done in a way that is suitable, appropriate,

or based on guidelines

opinion: a statement that is subjective or based on

interpretation

topic: the main point of a given subject

Match each word with the phrase that best defines it.

1. Fact: a statement that is objective or unchanging

2. Informal: done in a way that is friendly or casual

3. Formal: done in a way that is suitable, appropriate, or based on guidelines

4. Opinion: a statement that is subjective or based on interpretation

5. Topic: the main point of a given subject

What are Phrases?

A phrase is a group of words or a singular word which functions as a grammatical unit. For example, the English expression "the very happy boy" is a noun phrase containing the adjective phrase "very happy".

It can be a single word or a complete sentence. Phrases are used to describe the people, things, or events.

There are following types of phrases. They are:

Noun phrase.Adjective phrase.Adverb phrase.Verb phrase.Prepositional phrase.Gerund phraseInfinitive phraseParticipial phrase

Thus, matching the following words with its phrases

1. Fact: a statement that is objective or unchanging

2. Informal: done in a way that is friendly or casual

3. Formal: done in a way that is suitable, appropriate, or based on guidelines

4. Opinion: a statement that is subjective or based on interpretation

5. Topic: the main point of a given subject

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Which statement is true regarding mitosis?
A. 2 cells are made from one cell
B. daughter cells have 1/2 of the original DNA
C. occurs only in sex cells
D. 4 cells are made from one cell.

Answers

Answer:

A. 2 cells are made from one cell

Cells in both plants and animals use ______ to create energy, carbon dioxide, and water, when breaking down glucose in the presences of oxygen.

A. Photosynthesis
B. ATP
C. Cellular Respiration
D. Fermentation

Answers

Answer:

C. Cellular Respiration

Answer:

Cells in both plants and animals use ______ to create energy, carbon dioxide, and water, when breaking down glucose in the presences of oxygen.

A. Photosynthesis

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The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced round seeds. However, in the fifth generation, the plant produced to two plants with wrinkled seeds. Can that be possible? Explain your answer using your pedigree chart.​

Answers

Answer:

Explanation:

This happened because two fully recessive plants where introduced into the lineage. these plants where paired with the dominate verison. this would make all of the offspring have the two traits. this being said it would make it possible for the offspring to be Wrinkled Seeds.

When two heter0zyg0us individuals are crossed -simple d0minant inheritance-, or a heter0zyg0us individual is crossed with a h0m0zyg0us recessive one, they can produce h0m0zyg0us recessive subjects among the progeny. Heter0zyg0us individuals among the fourth generation got crossed with another plant (h0m0zyg0us recessive or heter0zyg0us) and produced two h0m0zyg0us recessive plants expressing wrinkle seeds.

---------------------------    

The first step is to understand the given information. So,

The first four generations produced round seedsPlants that fertilized these plants also produced round seeds (see generation II)  Among the fifth generation there are two plants with wrinkled seeds

Let us assume that a diallelic gene determines the shape of seeds.

D0minant allele R codes for round seedsRecessive allele r codes for wrinkle seeds

Now, let us analyze the pedigree. According to the information provided here, we can tell that

black figures represent h0m0zyg0us d0minant individuals, grey figures represent heter0zyg0us individualsempty figures represent h0m0zyg0us recessive individuals

Remember that Generations are represented with roman numbers.

We will name the plants with numbers from 1 to 26.

According to the information in the statement and the information in the pedigree, we can say that grey individuals from the fourth generation are heter0zyg0us expressing round seeds. They can produce wrinkle seeds, if they are fertilized by another heter0zyg0us plant or a h0m0zygous recessive one.

Option 1:

Two heter0zyg0us plants are crossed, and their offspring have wrinkled seeds.

Option 2:

One heter0zyg0us plant is crossed with a h0m0zyg0us recessive one, and their offspring have wrinkled seeds. Let us see the cross

Look at the attached files for a better understanding      

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what happened to the
beak depth of finches born in 1978 compared to those born in 1976? Explain why you
think this occurred.

Answers

Answer:

Why do you think the average beak depth of the birds increased?

Explanation:

Because the drought reduced the number of seeds and finches with bigger beaks were able to eat the larger and harder seeds so more of them survived.

I hope this helps!! god bless!! - Natalia

i have no idea about this

Answers

Answer:

I think it's 4 or 3

Explanation:

Sorry if I'm wrong

Which stage of mitosis occurs the least often and why?

Answers

Explanation:

The Anaphase stage is the shortest phase of mitosis. During this phase, disjunction occurs, and migration of sister chromatids away from each other to the poles of the cell occurs, leading to the formation of daughter chromosomes. Molecular motors use ATP to shorten the spindle fibers attached to each sister chromatid

Explanation:

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.....

2. What might happen to the population of
rabbits if there were no foxes? sc.7.L.17.3
A
the population would increase
8 the population would decrease
© the population would stay the same
there would be no effect
D

Answers

The population would increase since there are no predators

Which of the following is an advantage angiosperms and gymnosperms have over mosses?
1. they are seed producing so can populate more areas
2. they can photosynthesize
3. they can use oxygen
4. they do not need water

Answers

3. They can use oxagen

Answer:

they are seed producing so can populate more areas

Explanation:

Give the one chain to the following DNA AATAGGTACCCATGTGCA To write the complementary dna chain. How many nucleotides does this molecule have in total? How many are the bonds that unite nucleotides together?

Answers

Answer:

AATAGGTACCCATGTGCA (original DNA sequence)

TTATCCATGGGTACACGT

Explanation:

Adenine (A) pairs with Thymine (T). Guanine (G) pairs with Cytosine (C). There are 18 nucleotides in this sequence, as seen by the number of base pairs there are. Hydrogen bonds hold together the matching base pairs.

1 point
Which explanation best identifies the relationship between mitosis and
reproduction? *
Mitosis is a form of sexual reproduction because the daughter cells form from one
single parent cell.
Mitosis is a form of sexual reproduction because the daughter cells are genetically
different from the parent cell.
Mitosis is a form of asexual reproduction because the daughter cells form a new
nuclear membrane after reproduction.
Mitosis is a form of asexual reproduction because the daughter cells are genetically
identical to the parent cell.

Answers

muscle of the prada’s

ANYONE KNOW THIS?? PLZ LMK ASAP!!

Answers

Answer:

assuming this is human it is 46

Explanation:

In rabbits, straight ears (E) are dominant to floppy ears (e). Two rabbits are crossed, and 50% of their offspring have floppy ears. Which cross represents the genotypes of the parents?

Answers

Ee and ee because when you do the punnet square you get 50% Ee which are straight ears and 50% ee which are floppy ears.
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