Question

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question 1 of 6
which of the following is a primary function of the protein macromolecule in food?

providing genetic information
supporting immune function and tissue repair
serving as a quick energy source
regulating body temperature

Explanation:

• Providing genetic information is the role of nucleic acids (DNA/RNA), not proteins.
• Proteins form antibodies for immune defense and are used to build/repair body tissues, which is a core function.
• Carbohydrates are the body's primary quick energy source, not proteins.
• Regulating body temperature is mainly controlled by the nervous system and processes like sweating, not dietary proteins.

Answer:

B. Supporting immune function and tissue repair