Respiration In Plants Question 161

Question: Fermentation is essentially glycolysis plus an extra step in which pyruvic acid is reduced to form lactic acid or alcohol and $ CO_2 $ . This last step.

Options:

A) Removes poisonous oxygen from the environment.

B) Extracts a bit more energy from glucose.

C) Enables the cell to recycle $ NA{D^{+}} $

D) Inactivates toxic pyruvic acid.

Show Answer

Answer:

Correct Answer: C

Solution:

[c] The last step regenerates $ NA{D^{+}} $ from NADH and $ {H^{+}} $ .