Classify each of the following as a characteristic of either fermentation or respiration or as a component of both.

1. Fermentation:
2. Respiration:
3. Both:

a. Glucose is completely oxidized
b. ETC is not involved
c. Glycolysis takes place
d. NADH is oxidized back to NAD
e. Glucose is partially oxidized
f. ATP is produced only by substrate-level phosphorylation
g. The electron acceptor is often pyruvate
h. Oxygen is used
i. ETC is involved