B Oxidation

Question 1

What is B- oxidation ?

Answer 1

Complete breakdown of fatty acids to release energy

Question 2

Activated form of fatty acid ?

Answer 2

Acyl Co A

Question 3

Activated form of palmitic acid

Answer 3

Palmitoyl co A

Question 4

Carrier molecule that assists Acyl coA to the inner mitochondria

And the process is called ?

Answer 4

Carnitine

Carnitine shuttle

Question 5

What form does end product energy of b oxidation come in?

Answer 5

Acetyl co A or FADH2

Question 6

4 steps that occur in b oxidation

Answer 6

1. Dehydrogenation/oxidation linked with FAD
2. Hydration
3. Dehydrogenation / oxidation linked with NAD +
4. Thiolytic cleavage

Question 7

Palmitol is oxidized into a substrate known as ?

Answer 7

Transenol Co A

Question 8

The removal of hydrogen reaction is catalysed by what enzyme ?

Answer 8

Acyl Co A dehydrogenase enzyme

Question 9

Hydration reaction is catalysed by ?

Answer 9

Enol CoA hydratase enzyme

Question 10

The hydration forms ?

Answer 10

3 - hydroxyl Acyl CoA

Question 11

What enzyme catalysed the second dehydrogenation ?

Answer 11

3 - hydroxyAcyl Co A dehydrogenase enzyme

Question 12

What is formed after the 2nd dehydrogenation?

Answer 12

3-keto Acyl co A

Question 13

What enzyme cleaves 2 carbon atoms from the keto Acyl co A

Answer 13

Thiolase enzyme

Question 14

What is the end product of the six cycle of b oxidation

And 7 cycle ?

Answer 14

7 acetyl co A

8 acetyl Co A

Question 15

A molecule of acetyl co A in TCA cycle produces how many Atp?

Answer 15

12 or 10 ATP

Question 16

__, __, __ and ___ are the 4 enzymes involved in b oxidation of fatty acids

Answer 16

1. Acyl co A dehydrogenase
2. Enoyl co A hydratase
3. 3 hydroxyAcyl co A dehydrogenase
4. Thiolase (Acyl co A transferase)