Which of the Following Descriptions Best Matches the Function of a Kinase

Multiple Choice

Which of the following descriptions best matches the function of a kinase?

A) an enzyme that catalyzes the rearrangement of bonds within a single molecule
B) an enzyme that catalyzes a change in the position of a specific chemical group within a single molecule
C) an enzyme that catalyzes the oxidation of a molecule by removing a hydride ion
D) an enzyme that catalyzes the addition of phosphate groups to other molecules