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2 years ago

In chemiosmotic phosphorylation, what is the most direct source of energy that is used to convert ADP+ Pi + ATP?

Biology

1 answer:

Kazeer [188]2 years ago

6 0

Answer:

The correct answer will be option-D.

Explanation:

During the electron transport chain, an electrochemical gradient is established due to the movement of electrons.

The high number of protons gets accumulated in the intermembrane space of the mitochondria whereas less number of protons present in the matrix.

The protons are pushed from the outer membrane to matrix through ATP synthase where the movement of ATP causes synthase to spin and bind ADP and Pi to produce ATP.

Thus, option-D is the correct answer.

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The cell cycle is regulated at the molecular level by a set of proteins known as

galben [10]

The cell cycle is regulated at the molecular level by a set of protein known as CYCLIN . Cyclin are a core regulator of the cell cycle. They are group of related proteins and four different types have been identified in humans. Each cyclin is associated with a particular phase of the cell cycle.

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2 years ago

The rate of a typical enzymatic reaction is increased by which of the following changes?A. Decrease substrate concentrationB. In

galben [10]

Answer:

D. Increase in temperature from 20 degrees C to 37 degree C

Explanation:

A decrease in substrate concentration might not necessarily lead to an increase in enzymatic activities.

Enzymes are pH specific. Thus increasing the pH of operation from 6.8 to 7.4 might destroy the enzyme.

Reactants need to overcome a minimum energy (activation energy) before they can be converted to products. The higher this energy, the lower the rate of reaction. Hence, increasing in activation energy will lead to a lower rate of enzymatic reaction.

<em>Enzymes work optimally at a temperature that is close to the human's body temperature which is 37.5 degrees. Hence, increasing temperature from 20 degrees to 37 degrees will result in an increased enzymatic activities.</em>

The correct option is D.

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2 years ago

Write a creative paragraph describing the “thought” process of the first cell that describes how this symbiosis occured. (Of cou

Anarel [89]

Answer:

just learned about this in ap bio haha

Explanation:

Wow, that's such a cool prokaryotic cell. It looks so delicious, I wonder if I can eat it.

"Hey, cell, can I eat you?"

"No, you cannot."

"Please? I would love to have your energy-making properties!"

"How would I benefit from this? It seems like you're being parasitic."

"I would help you, by giving you protection and a safe home. You would give me energy. It seems more like an endosymbiotic relationship to me!"

"Fine, you can ingest me."

I'm so glad they let me eat them, they were so yummy. I can even create energy now, and I have a powerhouse inside me! This is so cool, maybe I should eat that other cell with photosynthetic properties.

SORRY IF THIS IS TERRIBLE I REALLY TRIED

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2 years ago

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Alvin is studying a model of the chemical structure of a common nucleic acid. He observes that the nucleic acid consists of four

Leto [7]

<h2>A) option is correct </h2>

Explanation:

RNA is a linear polymer of ribonucleotides
Sugar in RNA is ribose instead of deoxyribose which is present in DNA
The four nitrogenous bases present in RNA are adenine, cytosine, guanine and uracil whereas that in DNA are adenine, cytosine, guanine and thymine
RNA molecules carry genetic information from DNA to proteins, cannot transmit from one generation to next generation as a genetic material
Due to steric hindrance by the 2'-OH group of ribose sugar, RNA unable to form double helix

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2 years ago

Mendel's principle of segregation implies that the two members of an allelic pair of genes _____.

guapka [62]

two members of an allelic pair of genes separate during gamete

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2 years ago

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