Which of the following vitamins is synthesized in the body by intestinal bacteria_______?
Correct answer: D. Vitamins K
- A. Vitamins B1
- B. Vitamins B12
- C. Vitamins E
- D. Vitamins K
Explanation
Intestinal bacteria can synthesize vitamin K, and this is why vitamin K is the standard answer in basic biology questions. The amount produced may not fully meet a person’s needs, so dietary intake remains important.
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