21
QuizMultiple Choice

Unit Test — Unit test

Question 21 • GCS 2025-2026 Biology Credit Recovery

Which term is correctly paired with its role in the body?

Answer
A
insulin – a sugar that regulates blood glycogen levels
B
ADP – a molecule that releases energy when it forms ATP
C
glycogen – a hormone found in blood that regulates blood glucose levels
D
glucose – a sugar found in blood that can be broken down to produce ATP

Explanation

Glucose is a sugar carried in the blood, and cells can break it down to release energy and produce ATP. Insulin is a hormone, not a sugar. ADP gains energy when it is converted into ATP, while glycogen is a stored form of glucose, not a hormone.

AI-written and checked against the verified answer.

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