1.7 Respiration

Question 1

What is phosphorylation?

Answer 1

An enzyme controlled process by which a phosphate group is added to a molecule

Question 2

What are the 3 stages of Respiration?

Answer 2

1 - Glycolysis
2 - Citric Acid Cycle
3 - Electron Transport Chain

Question 3

Where does Glycolysis take place?

Answer 3

The cytoplasm

Question 4

Does glycolysis require oxygen?

Answer 4

No

Question 5

What is glucose broken down into?

Answer 5

An intermediate compound

Question 6

What is an intermediate compound broken into?

Answer 6

Two molecules of Pyruvate

Question 7

What are the 2 stages of Glycolysis?

Answer 7

Energy Investment Stage and Energy Payoff Stage

Question 8

What net gain of ATP does glycolysis have?

Answer 8

2

Question 9

What do dehydrogenase enzymes do?

Answer 9

Remove hydrogen ions from the substrate along with high energy electrons

Question 10

Where are the hydrogen ions and electrons passed to?

Answer 10

The coenzyme NAD, in the citric acid cycle that then forms NADH

Question 11

Where does the citric acid cycle take place?

Answer 11

The matrix of the mitochondria

Question 12

Does citric acid cycle require oxygen?

Answer 12

Yea

Question 13

What is pyruvate converted to?

Answer 13

Acetyl

Question 14

What does Acetyl combine with?

Answer 14

Coenzyme A

Question 15

What does Acetyl and Coenzyme A form?

Answer 15

Acetyl Coenzyme A

Question 16

What does Acetyl Coenzyme A combine with?

Answer 16

Oxaloacetate

Question 17

What does Acetyl Coenzyme A and Oxaloacetate form?

Answer 17

Citrate

Question 18

Where does Electron Transport Chain take place?

Answer 18

Inner membrane of the mitochondria

Question 19

What is the final electron acceptor?

Answer 19

Oxygen