Chapter 9: Fermentation

Question 1

What is fermentation

Answer 1

Fermentation is a metabolic process that converts sugar into acids, gases or alcohol.

Question 2

Where does fermentation occur

Answer 2

In bacteria, yeast or oxygen-starved muscle cells.

Question 3

Fermentation general process

Answer 3

Glycolysis sugar and regenerate NAD+, and reuse that for glycolysis

Question 4

Two forms of fermentation

Answer 4

Alcohol fermentation and lactic acid fermentation

Question 5

Alcohol fermentation general process

Answer 5

First, pyruvate converts into two-carbon compound with the release of 2 CO2. Second it regenerate by NADH to convert into two ethanol.

Question 6

Lactic acid fermentation general process

Answer 6

Pyruvate is directed converts into 2 lactate by regenerating NADH, without the release of CO2.

Question 7

Where does fermentation occur

Answer 7

In the cytosol

Question 8

What’s the difference between anaerobic respiration vs fermentation

Answer 8

They both do glycolysis, but fermentation uses enzymatic phosphyrylation while the other uses electron transport chain to generate ATP.