The "primary structure" of a protein refers to _____.

A. the ? helix or ? pleated sheets
B. interactions among the side chains or R groups of the amino acids
C. coiling due to hydrogen bonding between amino acids
D. the weak aggregation of two or more polypeptide chains into one functional macromolecule
E. the sequence of amino acids


Ans: E. the sequence of amino acids

Biology & Microbiology

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a. osmosis b. karyogamy c. mutualism d. plasmogamy e. symbiosis

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What happens to a cell that is placed in a hypotonic solution?

a. The cell swells. b. The cell shrinks. c. The cells stays the same size. d. The cell will crenate.

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____________________ are evidence of life in the distant past. Fill in the blank(s) with the appropriate word(s)

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Polymers are synthesized by ________ reactions and broken down into their constituent monomers by ________ reactions

Fill in the blank with correct word.

Biology & Microbiology