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Biology

Cells

AP Biology

Unit 3: Cellular Energetics

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5 Terms

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What is the primary structure of a protein?

The sequence of amino acids in a polypeptide chain.

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3
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What is the secondary structure of a protein?

The folding or coiling of the polypeptide chain into alpha-helices and beta-pleated sheets.

4
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What is the tertiary structure of a protein?

The three-dimensional shape of a polypeptide, determined by interactions among various side chains (R groups).

5
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What is denaturation?

The process in which a protein loses its native shape due to the disruption of weak chemical bonds and interactions.