Which of the following best describes protein kinases?
A) Protein kinases act by transferring a phosphate from a protein to ADP to make ATP.
B) Protein kinases act by transfering a phosphate from a donor molecule, like ATP, to a protein molecule, thereby changing its activity
C) Protein kinases phosphorylate enzymes and activate them
D) Protein kinases phosphorylate key tyrosine residues on receptors

Question

Quizplus · Accepted Answer

Protein kinases transfer a phosphate group from ATP to a protein, altering the protein's function and activity.

Which of the Following Best Describes Protein Kinases