PART 4

Question 1

What are the four closely related multi-subunit membrane-bound complexes and two electron carriers that carries out Oxidative phosphorylation

Answer 1

-Coenzyme Q
-Cytochrome C

Question 2

In oxidative phosphorylation, O2 is reduced to ______

Answer 2

H2O

Question 3

in oxidative phosphorylation, as a result of ________ , protons are pumped across the inner membrane to the inter-membrane space

Answer 3

Electron transport

Question 4

What does the sequence start with in Oxidative Phosphorylation

Answer 4

Complex I

Question 5

What does Complex I do?

Answer 5

Oxidizes NADH to NAD+

Question 6

In complex I, what is the oxidizing agent ?

Answer 6

CoQ

Question 7

the oxidazing agent Coq, is reduced to what?

Answer 7

CoQH2

Question 8

What is the second sequence in Oxidative Phosphorylation

Answer 8

Complex II

Question 9

What does Complex II do?

Answer 9

oxidizes FADH2 to FAD

Question 10

What is the oxidazing agent of Complex II

Answer 10

same as Complex I (CoQ—>CoQH2)

Question 11

In complex II , is the energy released in this reaction sufficient to pump the protons across the membrane?

Answer 11

No

Question 12

What is the third sequence of Oxidative Phosporylation

Answer 12

Complex III

Question 13

What does Complex III

Answer 13

it delivers electrons from CoQH2 to Cytochrome C (Cyt c)

Question 14

Complex III has how many subunits?

Answer 14

11 subunits

Question 15

What are the two channels that pump protons from each CoQH2 oxidized from

Answer 15

Matrix to the Intermembrane space