Citric Acid Cycle: Respiration

Question 1

Where is The Citric Acid Cycle located?

Answer 1

Matrix of the mitochondria

-Inner folds

Question 2

What Reducing Equivalents are produced?

Answer 2

-NADH and FADH2 (Proton/electron acceptors-dehydrogenase enzymes)

Question 3

What transports hydrogens from glycolysis to the matrix for TCA?

Answer 3

-Hydrogen acceptors NADH and FAD2

Question 4

How is pyruvate and ATP/ADP transported to the matrix?

Answer 4

-Facilitated Diffusion

Question 5

What complex is involved in the formation of Acetyl-Co-Enzyme A?

Answer 5

PDC

-Regulated by enzymes and phosphorylation

Question 6

How is Citrate formed?

Answer 6

-Oxaloacetate + Acetyl-Co-Enzyme

Question 7

Name X4 processes Citrate can undergo.

Answer 7

• X1 ATP
• Co2
• Regeneration of Oxaloactetate
• X1 GTP

Question 8

How is FADH2 generated?

Answer 8

-Succinate Dehydrogenase generates it

Question 9

How is GTP formed end?

Answer 9

-GDP + Pi > GTP

Question 10

How many ATP are formed by the end of TCA

Answer 10

-X4

Question 11

How many NADH and FADH2

Answer 11

• X10 NADH

- X2 FADH2

Question 12

What molecules cause LOW energy?

Answer 12

High levels of ADP and NAD+

Question 13

What molecules cause HIGH energy?

Answer 13

High levels of ATP, Acetyl Co-Enzyme A and NADH