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Gly4

Gly4

Quiz Type

Practice

Subject

Biochemistry

Level

Level 200

Questions

10 questions

Created By

Enock Ansah

Quick Rules

Time limit: 10 minutes
Multiple attempts are not allowed
All questions must be answered to submit

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Question 1 of 10

Question 1

Multiple choice

What is the result of the first reaction of glycolysis involving glucose?

Glucose 6-phosphate + ADP

Correct

Fructose 6-phosphate + ATP

Glyceraldehyde 3-phosphate + Pi

Fructose 1,6-bisphosphate + NADH

Explanation

The first reaction converts Glucose + ATP into Glucose 6-phosphate + ADP.

Question 2

Multiple choice

Which compound is formed by the phosphorylation of fructose 6-phosphate?

Fructose 1,6-bisphosphate

Correct

Glyceraldehyde 3-phosphate

Dihydroxyacetone phosphate

3-Phosphoglycerate

Explanation

Fructose 6-phosphate is phosphorylated to form Fructose 1,6-bisphosphate.

Question 3

Multiple choice

What is the end product of converting 3-phosphoglycerate into 2-phosphoglycerate?

Phosphoenolpyruvate

1,3-bisphosphoglycerate

Glyceraldehyde 3-phosphate

2-phosphoglycerate

Correct

Explanation

The conversion directly produces 2-phosphoglycerate from 3-phosphoglycerate.

Question 4

Multiple choice

What is produced from the dehydration of 2-phosphoglycerate?

Fructose 1,6-bisphosphate

Dihydroxyacetone phosphate

Phosphoenolpyruvate

Correct

ATP

Explanation

The conversion of 2-phosphoglycerate leads to the production of phosphoenolpyruvate.

Question 5

Multiple choice

Which of the following steps involves the conversion of phosphoenolpyruvate to ATP?

2-phosphoglycerate → 3-phosphoglycerate

3-phosphoglycerate → 1,3-bisphosphoglycerate

Phosphoenolpyruvate + ADP → ATP

Correct

Glyceraldehyde 3-phosphate → Dihydroxyacetone phosphate

Explanation

The reaction phosphoenolpyruvate + ADP generates ATP.

Question 6

Multiple choice

In the glycolytic pathway, which compound is formed from fructose 1,6-bisphosphate?

Glyceraldehyde 3-phosphate

Correct

Glucose 6-phosphate

3-phosphoglycerate

2-phosphoglycerate

Explanation

Fructose 1,6-bisphosphate splits into dihydroxyacetone phosphate and glyceraldehyde 3-phosphate.

Question 7

Multiple choice

What is the role of ATP in the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate?

ATP provides energy for the reaction

Correct

ATP is used up and not regenerated

ATP acts as an inhibitor

ATP is converted to ADP

Explanation

ATP provides the phosphate group that facilitates the phosphorylation of fructose 6-phosphate.

Question 8

Multiple choice

What compound is formed from the reaction of glyceraldehyde 3-phosphate with inorganic phosphate?

1,3-bisphosphoglycerate

Correct

2-phosphoglycerate

Dihydroxyacetone phosphate

Fructose 6-phosphate

Explanation

The reaction of glyceraldehyde 3-phosphate with Pi yields 1,3-bisphosphoglycerate.

Question 9

Multiple choice

Which glycolytic product is formed directly from dihydroxyacetone phosphate?

Glyceraldehyde 3-phosphate

Correct

Fructose 1,6-bisphosphate

3-phosphoglycerate

1,3-bisphosphoglycerate

Explanation

Dihydroxyacetone phosphate is isomerized to produce glyceraldehyde 3-phosphate.

Question 10

Multiple choice

What type of reaction results in the conversion of 3-phosphoglycerate to 2-phosphoglycerate?

Phosphorylation

Dephosphorylation

Isomerization

Correct

Hydrolysis

Explanation

The conversion from 3-phosphoglycerate to 2-phosphoglycerate involves isomerization.