Bio (Exam 3) Cellular Respiration and Fermentation

Question 1

Aerobic Cellular Respiration

Answer 1

requires O2 to generate ATP

Question 2

Why so many steps in catabolism?

Answer 2

efficiently

Question 3

Aerobic Cellular Respiration Stages:

Hint: 4

Answer 3

1. Glycolysis
2. Pyruvate Oxidation
3. Krebs Cycle
4. Oxidative Phosphorylation

Question 4

Glycolysis

Answer 4

• occurs in cytoplasm

Question 5

Pyruvate Oxidation

Answer 5

• occurs in matrix

Question 6

Krebs Cycle

Answer 6

• occurs in matrix

Question 7

Oxidative Phosphorylation
“grand finale”

Answer 7

• occurs in inner membrane

Question 8

Total ATP production

Hint: Number

Answer 8

32 ATP

Question 9

Fermentation

Answer 9

Makes ATP with no 02

Question 10

Fermentation stages:

Hint: 2

Answer 10

1. Glycolysis
2. NAD+ regeneration

Question 11

Does Glycolysis require O2?

Answer 11

NO

Question 12

Does Pyruvate Ox require O2?

Answer 12

Needs O2
(indirectly)

Question 13

Does Krebs Cycle require O2?

Answer 13

Needs O2
(indirectly)

Question 14

Does Oxidative Phosphorylation require O2?

Answer 14

Needs O2
(directly)

Question 15

How many ATP molecules are generated using one molecule of glucose during fermentation?

Answer 15

2 ATP