The unique amino acid sequence of a protein is reflected in its unique folded structure. This structure, in turn, determines the protein’s function. This is why mutations that alter amino acid sequence can affect the function of a protein.
Problem:
Which of the following statements are true about protein structure?
A) All proteins have a quaternary structure
B) Disulfide bridges primarily maintain secondary structures, as opposed to tertiary
C) pH does not change the charge of a protein
D) A protein’s function depends on its spatial conformation
E) None of the other answers are true
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