AP Biologyeasymcq1 pt
A protein kinase functions by
A.transferring phosphate groups from ATP to proteins
B.removing phosphate groups
C.digesting ligands
D.transporting ions
Explanation
Core Concept
Kinases phosphorylate target proteins, switching their activity on or off. Cascades of kinases are the backbone of signal amplification.
Correct Answer
Atransferring phosphate groups from ATP to proteins
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