Choose the Correct Answer from the List Below

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-The electron donor in most reductive biosyntheses is ____________.

A) O₂
B) niacin
C) phototrophs
D) ATP
E) CO₂
F) coenzyme A
G) vitamins
H) amphibolic
I) ADP
J) NADPH
K) chemotrophs
L) FAD