Latest Update - (Latest Update) Biochemistry | Questions & Answers

CHEM210 / CHEM 210 Module 7:

(Latest Update 2025 / 2026) Biochemistry | Questions & Answers | Grade A | 100% Correct - Portage Learning

Question:

In converting glucose to pyruvate, how many ATP or NADH are produced (or required) in the 1,3-bisphosphoglycerate to 3-phosphoglycerate step in glycolysis?

• 2 ATP produced
• 1 ATP required
• 1 NADH produced
• 2 NADH and 1 ATP produced

None of the above

Answer:

• ATP produced

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Question:

True or False: The citric acid cycle occurs in the absence of oxygen.

Answer:

false

Question:

What is the primary reactant of glycolysis?

• Glucose
• Glucose-6-phosphate
• Fructose
• Fructose-6-phosphate
• Hexokinase

Answer:

Glucose

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Question:

Which of the following letters corresponds to the α-carbon of a fatty acid?

Answer:

B

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Question:

In glycolysis, when glucose enters a cell, it is immediately phosphorylated to form glucose-6-phosphate. The phosphate donor in this reaction is ATP, and the enzyme is ________.

• Hexokinase
• Aldolase
• CoA
• Phosphohexose isomerase
• None of the above

Answer:

Hexokianse

Question:

In the last reaction of glycolysis, ATP is formed by the direct transfer of a

phosphate group from a metabolite to ADP. This process is referred to as:

• Substrate-level phosphorylation Protein phosphorylation
• Lipid phosphorylation
• Isomerization
• Photo-protein dephosphorylation

Answer:

Substrate-level phosphorylation

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