ATP Yield From The Breakdown Of Carbs

Question 1

What happens during glycolysis and what is gained?

Answer 1

Glucose broken down into 2 pyruvate molecules

Uses 2ATP
Gains 4ATP

Net gain of 2ATP
Gains 2NADH

Question 2

What happens during aerobic metabolism of pyruvate and what is gained

Answer 2

2 pyruvate molecules from glycolysis broken down to 2 acetyl coA molecules for use in TCA cycle

2NADH

2CO2

Question 3

What happens during citric acid cycle and what is gained?

Answer 3

2 acetyl coA molecules go trough the citric acid cycle

Gain
2ATP
6 NADH
2 FADH2

4 CO2
2 GTP

Question 4

What is the net yield for one glucose through aerobic metabolism?

Answer 4

4 ATP
2 NADH (cytoplasm)
8 NADH (mitochondria)
2 FADH2

Question 5

What is the maximal yield after oxidative phosphorylation/ETC?

Answer 5

30-32 ATP

Question 6

What is anaerobic metabolism and what is gained?

Answer 6

Glucose to 2 lactate molecules

USES
2 ATP
2 NADH

MAKES
4 ATP
2 NADH

GAINS
2 ATP