In the citric acid cycle, the enzyme succinate dehydrogenase catalyzes a reversible reaction using FAD/FADH2 as an oxidizing/reducing agent. Which of the following statements best explains how the redox component of this reaction contributes to the reaction's ability to be reversible under cellular conditions?
A. FAD has no reduction potential when it is enzyme-bound.
B. FAD can be reduced by the sequential addition of one hydrogen at a time.
C. FAD/FADH2 is covalently bound to succinate dehydrogenase.
D. The change in the biochemical standard reduction potential is small.

Answers

Answer 1

The statement which best explains how the redox component of this reaction contributes to the reaction's ability to be reversible under cellular conditions is; Choice D: The change in the biochemical standard reduction potential is small.

Discussion:

A reversible process is one in which the system and environment can be restored to exactly the same initial states that they were in prior to when the process occurred, if we go backward along the path of the process.

However, the necessary condition for a reversible process is therefore the quasi-static requirement.

The quasi-static requirement in this case is that the change in the biochemical standard reduction potential is small.

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Related Questions

Why is it important that mitosis occurs like this

Answers

Answer: The cell divides upon these processes during a process known as mitosis. In mitosis, two daughter cells are formed. It is important that each of the daughter cells contain genetic information that is identical to that of the mother cell, as well as that there be no mutations. Mitosis is Important for three main things:

> Growth

> Repair

> Reproduction

hope it helps.

To be honest i didn't get your question but i gave the basic info for Mitosis

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Explanation:

explain how the internal parts of a leaf are adapted for photosynthesis​

Answers

Explanation:

Leaves have a large surface area so more light hits them. The upper epidermis of the leaf is transparent, allowing light to enter the leaf. The palisade cells contain many chloroplasts which allow light to be converted into energy by the leaf.

If annual rainfall decreases and causes ponds in this habitat to become shallower, after many generations, how might the traits of these water lilies change?.

Answers

The water lilies may adapt to needing less water, both to drink and to live. The flowers will try to adjust to their new habitat by needing less water as there is less available.

The water lilies might adjust to requiring less water overall, even for drinking.

What is adaptation?

According to the idea of evolution, adaptation is the biological mechanism that allows organisms to adjust to new settings or to changes in the environment in which they are already living.

It is absolutely necessary for living things to be able to adapt in order to stay alive. Animals who are unable to adjust to the shifting conditions of their habitat ultimately perish. These alterations are the product of shifts in genetic make-up. The mutant genes are passed down from the animals that make it through the ordeal to the next generation.

Therefore, the water lilies might adjust to requiring less water overall, even for drinking.

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Please, someone, help me with this asap!

Observe the cut ends of the flatworms using the hand lens or the dissection microscope immediately after cutting.
What do you see?
Are there distinct differences between the two ends?
Observe the cut ends of the flatworms over a period of several days. Do the flatworm halves continue to exhibit the same degree of difference that was seen right after they were cut in two?
What kinds of changes occur in the flatworms as they recover from having been cut in two?

Answers

The above question requires a personal answer about your experience with cutting flatworms. I can't tell you what you saw in this cut, but I'll show you what happens when it occurs.

First of all, you must understand that flatworms are worms with a great capacity for cell regeneration even if several pieces have been cut.

In this case, when a flatworm is cut in half, we can see the following events happen:

At the moment of cutting, the two ends of the flatworm body are equally shaped and are straight ends, without deformations.The ends will not be different if the cut is done accurately, but it may differ slightly.After several days, the ends will present some deformations and will lose the straight shape caused by the blade.Deformations are extremely similar and change similarly.When recovering from the cuts, each side of the flatworm body formed a new flatworm and they are no different, they are the same and they are completely recovered.

This is because the cellular regeneration of flatworms is very fast and allows any part of the flatworm's body to create exactly the same beings, as they have the same genetic makeup.

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What is oxidative phosphorylation.

Answers

Answer:

Oxidative phosphorylation or electron transport-linked phosphorylation or terminal oxidation is the metabolic pathway in which cells use enzymes to oxidize nutrients, thereby releasing chemical energy in order to produce adenosine triphosphate. In eukaryotes, this takes place inside mitochondria

Answer:

Oxidative phosphorylation is energy given by electron transport and this takes place during aerobic respiration in the mitochondria.

Explanation:

This process produces huge amounts of ATP, which is the unit of energy for metabolic processes.

Processes that add carbon to the atmosphere are called what

Answers

Answer:

Combustion

Explanation:

what is the general purpose of the light reactions of photosynthesis

Answers

Answer:

The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules.

Explanation:

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An scientist observes a population of cheetahs on the plains in southern Africa and noticed that cheetahs have very little genetic variation. The scientists claims that the cheetahs are susceptible to extinction as a result of climate change. What is the name of the effect the scientist observed and why is it a concern ?(1 point)

Disaster effect, because the cheetahs have mutated to produce ineffective proteins

Frameshift mutation, because it only produces ineffective proteins.

Substitution mutation, because the these mutations cannot be passed to offspring

Bottleneck effect, because it means most cheetahs could succumb to the same environmental stresses

Answers

Answer:

Bottleneck effect, because it means most cheetahs could succumb to the same environmental stresses

Bottleneck effect, because it means most cheetahs could succumb to the same environmental stresses.

 There is a decline in the population size in because bottleneck effect limit the genetic diversity of the species as only a small part of original population is there.

What is bottleneck effect?

The bottleneck effect refers to the way in which a reduction and subsequent increase in population's size affects the distribution of genetic variation among its individual.

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A place where animals and plants are protected is called

A) an ecosystem
B) a refuge
C) a sanctuary
D) both B and C

Hello! can someone help me w this pls

Answers

A place where animals and plants are protected is an ecosystem

Which of the following best explains what will happen if the blood gets too cold? A) It will have a high viscosity and increased resistance. B) It will have a low viscosity and increased resistance. C) It will cause low blood pH and decrease resistance. D) It will change the shape of blood cells and decrease resistance.

Answers

It will have a high viscosity and increased resistance.

Effect of temperature on blood

Low temperatures cause narrowing of blood vessels and arteries which leads to restricting blood flow and reducing oxygen to the heart.

Our heart must pump harder to circulate blood through the blood vessels which results in increasing of our blood pressure and heart rate.

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Answer:

The correct answer is A

Explanation:

i got it correct on my flvs exam

how do you propagate trees​

Answers

Answer:

The simplest method of propagating a tree vegetatively is rooting or taking cuttings. A cutting (usually a piece of stem of the parent plant) is cut off and stuck into soil.

Remove any flowers or fruit on the cutting. Trim the stem to just below where the bottom most leaf meets the stem. On each of the leaves on the stem, cut off half of the leaf. Put the end to be rooted.

which cell type would contain the greatest number of mitochondria?

Answers

Answer:

It is generally believed that the cells that have the most mitochondria in them are the muscle cells.

Answer:

Muscle Cell

Explanation:

how are unicellular and multicellular organisms alike

Answers

Answer:

that they exhibit all the functions of life

Explanation:

retreat of alpine glaciers is caused by what process?

Answers

Answer:

Glaciers may retreat when their ice melts or ablates more quickly than snowfall can accumulate and form new glacial ice. Higher temperatures and less snowfall have been causing many glaciers around the world to retreat recently.

Explanation:

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Can you help me (only used these terms)

Molecule
Subscript
Element
Solid
Compound
Liquid
Pure substance
Mixture
Vapor (gas)

Answers

Answer:

Subscript- tells how many of each atom there are in a chemical formula

element- a substance containing only one type of atom

solid- a state of matter where particles vibrate and are not free to move

compound- two or more atoms chemically bonded together

liquid- a state of matter in which particles slip past each other

pure substance- all of the smallest individual pieces are the same

mixture- different types of atoms or molecules that are physically mixed together

vapor- a state of matter in which molecules are far apart

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How can slime molds be both unicellular and multicellular?

Answers

you look like a daniela

How do you know that flowers have undergone fertilizer even before they turn into fruits?​

Answers

Answer:

we can know for eg an apple when u buy it and scrape the skin of the apple if you wind some waxy substance from it we can say this has been done to increase the shine so customers think this is a good apple and please do was fruit and vegetables after buying them throughly.

What features distinguish annelids from roundworms?

Answers

Answer:

Annelids have a well developed mesoderm while round worms lack a mesoderm.

Annelids are segmented worms whereas round worms are not segmented.

Annelids have a true coelom while round worms have a pseudo coelom.

What is a fishing bed

Answers

A fishing bed is an underwater solid surface on which fish spawn to reproduce themselves

How does humus help in plant growth?​

Answers

Explanation:

Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.

Answer:

Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.

what factors determine if a species is fit to survive?

Answers

Answer: variation, reproduction, and heritability.

Explanation:  Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.  

All species must reproduce to survive. Organisms cannot live forever, so they must reproduce to allow their species to continue to live on. Reproduction is nature's way of allowing a species to survive.

Higher heritability means the trait evolves faster; fewer generations are required for the trait to increase to the same degree as a trait with lower heritability. For this reason, genetic correlation and heritability show how a trait might change from one generation to the next and into the future.

plant and animal mitosis are very similar except for cytokinesis. explain how this process is different.

Answers

Answer:

Cell division or cytokinesis in mitosis or meiosis is very similar... There is a region of division to separate the two daughter cells in both processes; however, the division plate is slightly different between animal cells and plant cells. In animals, the region of division is a division plate. hope this helps! :)

Identify the organelles in the cell to the right.
А
חד
F
В.
А
B
С
с
C
D
E
F
E
DONE
D
plant cell

Answers

Answer:

A- Vacuole  

B- Chloroplast  

C- Cell membrane

D- Golgi bodies

E- Smooth and rough endoplasmic reticulum  

F- Cell wall

Explanation:

This is a structure of a plant cell which unlike animal cell has a cell wall as well as plasma membrane. It also contains large vacuoles present in the center of the cell. The green color of the plants is due to the presence of chlorophyll which is present in an organelles called chloroplast.

Organelles which are labelled in the cell are

A:Cell membrane

B:Vacuole

C:Nucleus

D:Cytoplasm

E:Chloroplast

F:Cell wall

The given figure represents a plant cell. So, the correct option is C.

What is Plant cell?

Plant cells are defined as eukaryotic cells that contain a true nucleus as well as specialized structures known as organelles that perform certain specialized functions. Plant and animal cells both contain a nucleus with similar organelles but plant cells differ due to the presence of a cell wall outside the cell membrane.

In the given figure, labelled organelles function are as follows:

Vacuole stores food, extra water, and waste while cell membrane permits selective passage of things into and out of the cell. The cell's nucleus serves as the activity's control centre, while the cytoplasm is the fluid that gives the cell its jelly-like consistency. Chloroplasts contain a substance called chlorophyll that is a green pigment that aids in photosynthesis. The cell wall of a plant gives it form, stiffness, strength, and protection.

Thus, the given figure represents a plant cell. So, the correct option is C.

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Your question is incomplete, most probably the complete question is:

Identify  the organelles in the cell to the right and label the parts A, B, C, D, E and F.

A.

A:Cell membrane

B:Vacuole

C:Nucleus

D:Chloroplast

E:Cytoplasm

F:Cell wall

B

A:Cell membrane

B:Vacuole

C:Nucleus

D:Cytoplasm

E:Chloroplast

F:Cell wall

C

A:Cell membrane

B:Nucleus

C:Cytoplasm

D:Vacuole

E:Chloroplast

F:Cell wall

D

A:Cell wall

B:Cell membrane

C:Nucleus

D:Cytoplasm

E:Chloroplast

F:Vacuole

What are some geological characteristics of glaciers in Glacier National Park?

Answers

Answer:

The minimum size criterion for a glacier is 0 .1 km², or about 25 acres. Below this size, the accumulated ice generally does not move and is stagnant. Many years of snow accumulation compacts the bottom layers of snow into ice. Under the huge weight of the snowpack (usually 100ft/30.5m thick or more), the ice becomes viscous and allows the mass to slide downhill. The appearance of crevasses and cracks attest to a glacier’s movement. Glaciers don't "bulldoze" landscape as much as they melt and re-freeze, plucking material from areas of snow deposition and moving it to other areas, like downhill conveyor belts.

Explanation:

Right on ED2021, good luck!

the type of voltage-gated channel that possesses an inactivation gate that temporarily closes after the channel is active is the

Answers

The sodium channel possesses an inactivation gate that temporarily closes after the channel is active.

In neurons, sodium channels are responsible for the ascending phase of the action potential (depolarization).

Characteristically, this channel has two transmembrane voltage-dependent gates.

When the membrane is depolarized to the threshold, both gates are activated, but since one of them opens rapidly while the other closes slowly, the channel remains open for less than 2-5 milliseconds.

Therefore, we can conclude that the sodium channel is responsible for the depolarization and possesses two gates which one temporarily closes after the channel is active.

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3. Which of the following statements best explains the purpose of Mitosis?
A. Mitosis is a cellular process that creates a copy of the cell's DNA.
B. Mitosis is a cellular process that creates new organelles inside of the cell.com
C. Mitosis is a process of cell division which creates two genetically identical daughter cells.
D. Mitosis is a cellular process that doubles the amount of chromosomes in a cell.

Answers

Answer:

C

Explanation:

During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells.

C, it’s clear cells “double” each time

a eukaryotic cell that receives a go-ahead signal at the g1 checkpoint of the cell cycle will

Answers

Answer: If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will D. complete the cycle and divide. G1 checkpoint occurs between the G1 and S phase of the cell cycle. When the cell is grown sufficiently and produces all components of DNA replication it enters in the S phase.

If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will complete the cell cycle and divide.

What is cell cycle?

The cell cycle, or cell-division cycle, is the series of events that take place in a cell that cause it to divide into two daughter cells.

Moreover, a cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.

The cell cycle consists of a series of steps during which the chromosomes and other cell material double to make two copies. The cell then divides into two daughter cells, each receiving one copy of the doubled material.

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Which plate is the Eurasian plate?
A. D
B. C
C. B
D. A

Answers

i believe it’s D. :)

How many minutes are there in a 40-hour week?

A:2,000

B:2,400

C:1,400

D:1,200

Answers

The answer is B
Explanation:
You multiply 40 by 60 to get 2,400

There will be 2,400 minutes in a week of 40 hours. This can be calculated by the help of unit conversion of time. Thus, the correct option is B.

What is Unit conversion?

Unit conversion is the change of one form of unit to another form of unit of different system such as conversion of units of measurement of weight from gram to kilogram or milligram.

Unit conversion of one unit to another unit is used in order to have accuracy and avoiding the confusion in measurements. For example, the length of pencil is not measured in kilometers rather it is measured in centimeters or inches, which are comparatively smaller than kilometers. In such a case, one has to convert the unit of length from kilometer (km) to centimeter (cm).

The week of 40 hours can be converted into minutes by:

Number of minutes in 1 hour = 60

Therefore, the number of minutes in 40 hours = 60 × 40 = 2,400 minutes

Therefore, the correct option is B.

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which of these organs is an accessory organ of the digestive system?

Answers

Answer:

Where is the picture??

Explanation:

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