Electron transport chain

Question 1

What is the final electron acceptor in ETC?

Answer 1

Oxygen

Question 2

What are the two requirements for oxidative phosphorylation?

Answer 2

1. Oxygen

2. Mitochondria

Question 3

NADH goes to what art of the ETC?

Answer 3

Complex 1 nadh dehydrogenase

Question 4

How many ATPs does NADH produce?

Answer 4

3 or 2.5

Question 5

FADH is accepted by what complex and how many ATS are formed?

Answer 5

2 or 1.5

Question 6

All components are fixed in the mitochondria except what 2 parts?

Answer 6

Coenzyme Q/ ubiquinone

cytochrome C

Question 7

Cytochrome b + c (fe/heme) is complex?

Answer 7

3

Question 8

Cytochrome a/a3 (Cu/heme) is complex?

Answer 8

4

Question 9

Cyanide and Carbon monoxide inhibits Complex?

Answer 9

Complex 4

Question 10

Antimycin A and Dimercaptrol inhibits Complex?

Answer 10

Complex 3

Question 11

Barbiturate and amital inhibits Complex?

Answer 11

Complex 1

Question 12

increases the permeability of the inner mitochondrial membranes

Answer 12

uncoupler

Question 13

Uncoupling agent seen in neonates

Answer 13

thermogenin

Question 14

besides 2,4 dinitrophenol, what is the other synthetic uncoupler?

Answer 14

aspirin

Question 15

the only ATP synthase inhibitor

Answer 15

oligomycin

Question 16

mitochondrial disease that affects complex 1 and causes stroke in young.

Answer 16

MELAS

Question 17

How many complexes/ cytochromes produces H+

Answer 17

3. Cytochrome 1, 3, 4