Which Statement About Digestion Is True

question 246

Multiple Choice

Which statement about digestion is true?

• A) Bacteria in the human gut produce vitamin K and biotin.
• B) Hydrolytic enzymes build macromolecules from monomers.
• C) The stomach typically contains a large surface area, increased by folds and villi, for absorption of nutrients.
• D) The human body contains more human cells than bacterial cells.
• E) The gut epithelium of leeches in the genus Hirudo secretes enzymes that digest the proteins in the blood they suck from vertebrates.

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