Which of the following is a protein that stores phosphate groups for use by ATP?

A) Glucose
B) Lactic acid
C) Creatine phosphate
D) Pyruvic acid
E) Acetylcholine

Acetylcholine

A neurotransmitter involved in the activation of muscle action, memory, and transmission of nerve impulses.

Creatine Phosphate

A protein that stores extra phosphate groups.

Phosphate Groups

Functional groups consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer and molecular signaling.