Multiple Choice
Which statement about the biofilm found in the human large intestine is false?
A) It is made up of numerous species of toxic bacteria.
B) It facilitates nutrient transfer from the intestine to the body.
C) It is essential for human health.
D) Its exact species makeup varies from region to region in the intestines.
E) Humans obtain vitamins B12 and K from the bacterial waste products.
Correct Answer:

Verified
Correct Answer:
Verified
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