The digestive enzyme pepsin works in the acidic environment of the stomach to hydrolyze peptide bonds in ________.

A. carbohydrate
B. lipid
C. DNA
D. protein


Answer: D

Biology & Microbiology

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All CpG sites located near the promoter region of protein coding genes are methylated

A. true B. false

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What causes the large majority of errors in DNA replication?

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The same procedure was repeated with a second protein (protein Y). If the function of Y is protein processing and packaging, the most radioactivity would be found in the

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