Question

multiple choice question
some proteins can assume a level of ______ structure in which two or more polypeptides assemble to form a larger, multic - subunit protein.
o primary
o secondary
o quaternary
o tertiary
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rate your confidence in what you know.

Explanation:

In protein structure, the tertiary structure is the level at which multiple polypeptides come together to form a functional protein. Primary structure is the linear sequence of amino - acids, secondary structure involves local folding like alpha - helices and beta - sheets, and quaternary structure is the arrangement of multiple polypeptide subunits in a multi - subunit protein. Here, the description fits tertiary structure.

Answer:

tertiary