Multiple choice

What is a key function of vitamin C?

  1. Collagen synthesis

  2. DNA synthesis

  3. Visual acuity

  4. Energy metabolism

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A Correct answer
Explanation

Vitamin C is a critical cofactor in the synthesis of collagen, a structural protein essential for connective tissues, skin, and blood vessels. Deficiencies in vitamin C lead to scurvy, which is characterized by weakened collagen structures.