Link Reaction and Krebs Cyle

Question 1

In the Links Reaction, Coenzyme A combines with _____ to produce what?

Answer 1

Coenzyme A combines with acetate to produce acetyl coenzyme A

Question 2

How does Pyruvate get to the Links Reaction

Answer 2

Pyruvate is actively transported to the Links Reaction

Question 3

Name the overall equation for the Links Reaction

Answer 3

Pyruvate + NAD + Coenzyme A ➜ Acetyl Coenzyme A + reduced NAD + CO2

Question 4

What does Pyruvate oxidise into?

Answer 4

Acetate

Question 5

Where do the link reaction and Krebs cycle occur?

Answer 5

Matrix of the Mitochondria

Question 6

Who was the Krebs Cycle named after?

Answer 6

Hans Kreb

Question 7

What are the two alternate names of the Krebs cycle?

Answer 7

Tri-carboxylic acid cycle

citric acid cycle

Question 8

Per Pyruvate, what is the yeild of the Krebs cycle

Answer 8

2 CO2
3 reduced NAD
1 reduced FAD

Question 9

In the Krebs Cycle, Acetyl Coenzyme A combines with ______, a _ carbon number molecule to produce ______ a _ carbon number molecule

Answer 9

In the Krebs Cycle, Acetyl Coenzyme A combines with oxyloacetate, a 4carbon number molecule to produce citrate a 6 carbon number molecule

Question 10

How many carbons does acetate have?

Answer 10

2

Question 11

Co enzymes are not ______

Answer 11

Co enzymes are not enzymes

Question 12

What is the role of a Co enzyme?

Answer 12

They are required for enzymes to fucntion

Question 13

What is the significance of the Krebs Cycle? (4)

Answer 13

Break down macro molecules into smaller ones
Produce H atoms carried by NAD 2 ETC
Regenerates 4-Carbon molecule that would otherwise accumulate.
Source of intermediate compounds used in the manufacture of other substances