Overview

Question 1

Krebs Cycle is aka?

Answer 1

Tricarboxylic Acid Cycle (TCA)
Citric Acid Cycle
The metabolic hub

Question 2

Where is the Krebs cycle located?

Answer 2

Mitochondrial matrix

Question 3

Krebs occurs under what types of conditions?

Answer 3

aerobic

Question 4

The substrates for the Krebs cycle are the breakdown products of what?

Answer 4

Carbohydrates
Fats
Protein metabolism

Question 5

The MAIN FUEL used to drive Krebs cycle is?

Answer 5

Acetyl CoA

Question 6

What end product of carbohydrate metabolism is turned into acetyl CoA?

Answer 6

pyruvate

Question 7

Each Acetyl CoA generated from pyruvate is used to produce ? from the Krebs cycle?

Answer 7

3 NADH
1 FADH2
1GTP
2 CO2

Question 8

When the two molecules of pyruvate are converted to acetyl groups, they lose what?

Answer 8

CO2

Question 9

Each acetyl group is activated by which carrier molecule? To form what?

Answer 9

Coenzyme A

Acetyl CoA

Question 10

What enzyme is responsible for making acetyl CoA from acetyl group and Coenzyme A?

Answer 10

Pyruvate dehydrogenase complex

Question 11

Where is pyruvate dehydrogenase complex located?

Answer 11

mitochondria

Question 12

The ___ carbon acetyl CoA is joined with what 4 carbon molecule? What doe the make?

Answer 12

2
4 carbon oxaloacetate
6 carbon citrate

Question 13

How many steps are in Krebs cycle?

Answer 13

8