Which of These is an Example of a Coenzyme

Question

Which of these is an example of a coenzyme?
A)glucose
B)iron
C)NAD⁺
D)cytochrome c
E)a kinase

Accepted Answer

NAD⁺ is a coenzyme that is involved in redox reactions in the cell. It can accept electrons from other molecules and is involved in the production of ATP during cellular respiration.