The 3 dimensional shape of a protein is maintained mainly bya) Strong covalent interactionsb) Interactions with other proteinsc) Multiple weak interactionsd) Interactions with prosthetic groups
Correct Answer: ac
Description: Both weak noncovalent interactions and strong covalent bonds stabilize the tertiary structure of the protein (which provides three-dimensional shape).
The major forces stabilizing tertiary structure (which provides three-dimensional shape) are multiple weak noncovalent interactions:- Hydrogen bonds, hydrophobic interactions, ionic bond, and Van der Waals forces.
Covalent (Disulfide) bonds also provide some stability.
Category:
Biochemistry
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