9
AssignmentMultiple Choice

Proteins and Nucleic Acids

Question 9 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC

Which of the following correctly lists functions of proteins?

Answer
A
transporting substances, creating proteins, and fighting disease
B
being the blueprints for life and the bases of heredity
C
providing structure, regulating cell processes, and creating movement
D
sending messages, providing structure, and creating proteins

Explanation

Proteins have many roles, including providing structure in cells and tissues, regulating cell processes as enzymes or other control molecules, and enabling movement. Choice C lists these protein functions. Choice B describes nucleic acids, which store hereditary information and serve as instructions for making proteins.

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