Multiple Choice
Which of the following is NOT a function of proteins?
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4. Biomolecules
Proteins
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Which of the following correctly describes the quaternary structure of a protein?
A
The local folding patterns such as alpha helices and beta sheets.
B
The arrangement of multiple polypeptide chains into a functional protein complex.
C
The overall three-dimensional shape of a single polypeptide chain.
D
The sequence of amino acids in a polypeptide chain.
Verified step by step guidance1
Understand the four levels of protein structure: primary, secondary, tertiary, and quaternary.
Primary structure refers to the sequence of amino acids in a polypeptide chain.
Secondary structure involves local folding patterns such as alpha helices and beta sheets.
Tertiary structure is the overall three-dimensional shape of a single polypeptide chain.
Quaternary structure describes the arrangement of multiple polypeptide chains into a functional protein complex.
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