Which of These Covalently Modifies Proteins by Phosphorylation

question 5

Multiple Choice

Which of these covalently modifies proteins by phosphorylation?

• A)enzymes called protein phosphatases
• B)other proteins called allosteric proteins
• C)any ligand which can bind to specific binding sites
• D)enzymes called protein kinases
• E)metal ions,such as Fe2+

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