题目
题目
单项选择题

Which of the following statements about intestinal microflora is FALSE?

选项
A.they synthesize vitamins
B.they support the immune system
C.they help break down indigestible carbohydrates
D.they are only found in the large intestine
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标准答案
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思路分析
To begin, let's list what each statement claims about intestinal microflora and examine them one by one. Option 1: 'they synthesize vitamins' — This is accurate. Many gut bacteria synthesize vitamins such as vitamin K and certain B vitamins, contributing to host nutrition.......Login to view full explanation

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