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Proteins are composed of chains of _____________ which are joined together with peptide bonds.

A) fatty acids
B) amino acids
C) nucleic acids
D) monosaccharides

User Ciph
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2 Answers

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B) proteins are composed of chains of amino acids
User Kevin Py
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The answer is amino acid. It is the simplest form of protein. There are about 20 kinds of amino acid in human body.
User Gunnit
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