A Posttranslational Modification Commonly Used by Signal Transduction Pathways to Regulate

question 78

Multiple Choice

A posttranslational modification commonly used by signal transduction pathways to regulate the activity of proteins is _______ of specific amino acid residues.This modification often changes the conformation of enzymes, resulting in activation (or inactivation) of the enzyme's catalytic activity.

• A) glycosylation
• B) proteolysis
• C) splicing
• D) nuclear signaling
• E) phosphorylation

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