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

What is cellular respiration and how does it work

Answers

Explanation:

cellular respiration, the process by which organisms combine oxygen with foodstuff molecules

what are the characteristics of a visceral reflex?

Answers

Answer:

Visceral reflexes involve a glandular or non-skeletal muscular response carried out in internal organs such as the heart, blood vessels.

Explanation:

a single base deletion within the open reading frame of a gene’s dna sequence can result in ____________.

Answers

Answer:

Replacement of multiple correct amino acids with alternative acids

Explanation:

Replacement of multiple correct amino acids with alternative acids

What type of cell or structure stores food within the stem?.

Answers

The parenchyma cells!

2. Organisms that are made up of more than one cell are called
a. viruses
b. bacteria
c. unicellular
d. multicellular

Answers

Answer:

Multicellular

Explanation:

They are composed out of more than one cell meaning it can't be unicellular. It can not be a virus or bacteria either because it is only identified as a cell made up of more than one cell, not the effects of what the cells do. Hope this helped!

Answer:

multicellular

learnt in school

small substances are passively moved from the blood to the filtrate in:

Answers

Answer:

I believe it would filter in the Glomerular filtration.

Explanation:

I dont think you really need one based on the question.

if you were to trace the blood flow from the heart to the obturator artery, which vessel would NOT be found along the pathway

Answers

Answer:

ur mum

Explanation:

The written way the author intended his or her story to be The way a person might understand a story or bring it to life The most popular way a story has been recorded on the screen The process of writing a story and then getting it published

What are three advantages to sexual reproduction?

restricts chromosomal combinations
produces resistance to unfavorable conditions
Produces disease-free seed plants
produces more uniform individual organisms
produces genetic variations

Answers

Answer:

1. produces genetic variations.

2. produces resistance to unfavorable conditions.

3. produces disease-free seed plants.

Explanation:

Sexual reproduction causes more genetic variation. More genetic variation results in diverse immune systems and traits that are advantageous to survival. Variation is good because it allows a species to adapt to new environments.

The advantages of sexual reproduction is produces resistance to unfavorable conditions, produces genetic variations and produces disease-free seed plants.

What do you mean by sexual reproduction?

Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete with a single set of chromosomes combines with another gamete to produce a zygote that develops into an organism composed of cells with two sets of chromosomes.

A disadvantage is that sexual reproduction takes longer than asexual reproduction. A mate must be found, the egg must be fertilised by sperm, and then the offspring develop.

Three mechanisms contribute to genetic variation arising from sexual reproduction: independent assortment of chromosomes, crossing over, and random fertilization.

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Which hormone is responsible for the development of the male secondary sex characteristics? estrogen progestin progesterone testosterone.

Answers

Answer:

It is Testosterone

Explanation:

The hormone responsible for the development of the male secondary sex characteristics is testosterone. Hence option D is correct.

What is testosterone?

Testosterone is a hormone primarily produced in the testes of males and to a lesser extent in the ovaries of females and the adrenal glands of both sexes. It is an androgen, or a hormone that promotes the development of male characteristics.

Testosterone plays a crucial role in the development of male reproductive tissues, such as the testes and prostate, as well as in the growth of muscle mass and bone density.

It is also responsible for the development of secondary sex characteristics in males, such as facial hair growth, a deepening of the voice, and the growth of Adam's apple. Testosterone also regulates sex drive (libido) and sperm production.

In females, testosterone is produced in smaller amounts and helps regulate the menstrual cycle and promote bone density.

An imbalance of testosterone levels in either males or females can lead to various health issues, including infertility, osteoporosis, and disorders of sexual development.

Hence option D testosterone is correct.

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whats the difference between saturated and unsaturated fat

Answers

Answer:

The number of double bonds in the fatty acid chain

My thoughts about genetically modified crops

Answers

GMOs do not put consumers at any more Rick than non modified food would. It also has increased crop yields abs reduces costs for food production.

4. View of space from earth keeps on changing because earth is.....?​

Answers

Answer:

Earth does not always spin on an axis running through its poles. Instead, it wobbles irregularly over time, drifting toward North America throughout most of the 20th Century (green arrow). That direction has changed drastically due to changes in water mass on Earth.

Explanation:

Sunlight helps our bodles to produce Vitamin D. In some areas of the United States, there is not enough sunlight during the winter mont
support this process. What is on thing you would recommend to people who live in those areas?
O A. Drink juice that is pasteurized with Vitamin D.
O B. Eat more proteins that bulld Vitamin D.
O C. Drink soymilk that is enriched with Vitamin D.
O D. Eat more carbohydrates that bulld Vitamin D.

Answers

Answer:

It would be the first one

Explanation:

A lot of juices are pasteurized with Vitamin D it can be V8, orange juice, grape juice, cranberry juice, etc.

Please help me with this! The question on the image

Answers

A. higher, lower B. 2 to 1

2.

No movement of water would have

occurred if they were isotonic.

3.

A. Side 2B. Side 1

Distinguish between smooth endoplasmic reticulum and rough endoplasmic
reticulum (1 point)
Smooth endoplasmic reticulum has ribosomes attached to
its surface
Smooth endoplasmic reticulum has vacuoles attached to its
surface
Rough endoplasmic reticulum has ribosomes attached to its
surface
Rough endoplasmic reticulum has vacuoles attached to its
surface

Answers

The smooth endoplasmic reticulum is different from rough endoplasmic reticulum as the rough endoplasmic reticulum has ribosomes attached to its surface which are absent in smooth endoplasmic reticulum. Thus, the correct option is C.

What is Endoplasmic reticulum?

Endoplasmic reticulum (ER) is a large, dynamic structure which serves for many roles in the cell. There are two types of ER which are Smooth Endoplasmic Reticulum (SER) and Rough Endoplasmic Reticulum (RER). The diverse functions of the ER are performed by distinct domains present in the ER consisting of tubules, sheets and the nuclear envelope.

Rough endoplasmic reticulum contains ribosomes on its surface and synthesizes protein, whereas the smooth endoplasmic reticulum does not contain ribosomes and functions to make lipids and detoxify the cell. Large amounts of SER are found in the cells which participate in lipid metabolism and detoxification of the body, such as liver cells.

Therefore, the correct option is C.

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Match the vitamin deficiencies and their symptoms.
depression
dry skin and nails
excessive bleeding

A
B6
K

Answers

Answer:

depression: B6

dry skin and nails: A

excessive bleeding: K

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.

An organ can be defined as:
A - a group of cells of one type that has a function
B - a group of several different cell types, each type working together
C - a group of tissues that are located together that have unrelated functions
D - part of a system and therefore does not have a function of its own​

Answers

Answer:

a group of several different cell type each type working together

how long does it take for ancestry dna results to come back

Answers

Answer:about 6-8 weeks

Explanation: about 6-8 weeks to process from the time that the lab receives your DNA sample.

What happens during metaphase 2 in meiosis?

Answers

Answer:

During metaphase II, the centromeres of the paired chromatids align along the equatorial plate in both cells. Then in anaphase II, the chromosomes separate at the centromeres. The spindle fibers pull the separated chromosomes toward each pole of the cell.

What percentage of the earth’s land and what percentage of the earth’s oceans have been disturbed by human activities?

Answers

Answer:

the first 1 :)

Explanation:

what is the proton gradient in cellular respiration?

Answers

Answer:

The proton gradient produced by proton pumping during the electron transport chain is used to synthesize ATP. Protons flow down their concentration gradient into the matrix through the membrane protein ATP synthase, causing it to spin (like a water wheel) and catalyze conversion of ADP to ATP.

A proton gradient is a difference in the concentration of protons (H+) across a membrane. In cellular respiration, a proton gradient is created by the electron transport chain (ETC) in the mitochondria.

The ETC is a series of proteins that shuttle electrons from NADH and FADH2 to oxygen. As the electrons are shuttled, they lose energy, which is used to pump protons out of the mitochondrial matrix into the intermembrane space.

This creates a concentration gradient, with more protons in the intermembrane space than in the mitochondrial matrix.

The proton gradient is used to power ATP synthesis. The enzyme ATP synthase, which is located in the inner mitochondrial membrane, uses the energy of the proton gradient to drive the synthesis of ATP from ADP and inorganic phosphate (Pi).

The proton gradient is a key part of cellular respiration, and it is essential for the production of ATP. Without the proton gradient, ATP synthesis would not be possible, and cells would not be able to produce the energy they need to function.

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What is a fishing bed

Answers

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

Please help a girl out !

Answers

Answer:

3=??

5=B

6=C

7=J

8=E

9=G

Explanation:

❤️ sorry I don't know 3 number

What is the function of the nuclear envelope?

Answers

The main function of the nuclear envelope is to separate the nucleus from the cytoplasm in eukaryotic cells.

I hope this helps!

at what point during meiosis do homologous chromosomes pair up?

Answers

Answer:

Prophase 1

Explanation:

In prophase 1, homologous chromosomes pair up and exchange sections of DNA in a process called crossing over.

Explanation: Pairing of homologous chromosomes occur during prophase 1. This is also known as synapsis. During synapsis there is crossing over too.

What does an optical part of the light microscope consist of? A. Ocular.
B. Diaphragm.
C. Condenser.
D. Turret

Answers

Answer-
C. Condenser

If you are pushing a shopping cart and you start pushing harder what happens?

Answers

Answer:

The shopping cart will continue rolling until it will stop.

Explanation:

the shopping carts speed with increase and it will continue to roll forward until it is acted upon by an outside force

What does the independent
variable do?

Answers

Answer:

There are 3 types of variables you need to know

Independent Variable — what you keep the same (during an experiment)

Dependent Variable — what you measure (during an experiment)

Control Variable — what you change (during an experiment)

A process in which cells surround and engulf substances that are too big to pass
through the membrane is known as...
membrane pump
endocytosis
facilitated diffusion
exocytosis

Answers

Answer:

including other cells, by enclosing the particles in an extension of the cell membrane and budding off a new vesicle. During pinocytosis, cells take in molecules such as water from the extracellular fluid. Finally, receptor-mediated endocytosis is a targeted version of endocytosis where receptor proteins in the plasma membrane ensure only specific, targeted substances are brought into the cell.

Explanation:

so the answer is exocytosis

Answer:

Endocytosis

Explanation:

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