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Free HESI A2 Biology Practice | Daily Quiz - April 8, 2025

Practice HESI A2 Biological Molecules daily. Sharpen your biology skills with 3 free, high-yield questions updated daily.

Published on April 8, 2025 • 3 questions

Question 1

Which of the following is a primary function of carbohydrates in living organisms?

Store genetic information

Provide energy

Form cell membrane

Catalyze biochemical reactions

Rationale

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Question 2

A mutation in a gene coding for an enzyme alters the shape of the enzyme’s active site. How would this affect the enzyme’s function?

Rationale

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Question 3

A scientist isolates a biomolecule composed of carbon, hydrogen, and oxygen, but with a much lower proportion of oxygen compared to carbon and hydrogen. This molecule is most likely which type of macromolecule?

Rationale

Submit your answer to see the rationale

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