A kinase is an enzyme that
A)functions as a second messenger molecule.
B)serves as a receptor for various signal molecules.
C)adds a phosphate group to target molecules.
D)produces second messenger molecules.

Question

Quizplus · Accepted Answer

A kinase is an enzyme that adds a phosphate group to target molecules, typically proteins or lipids. This process is known as phosphorylation and can activate or deactivate target molecules, affecting various cellular processes such as metabolism, gene expression, and cell signaling. Kinases are crucial components of numerous signaling pathways in the cell.

A Kinase Is an Enzyme That