Flashcards in Electron Transport Chain Deck (12):

0

## What does the electron transport chain control the fate of?

###
Nadh and fadh2 from the cac

-this is where it is "cashed in"

1

## What is the final destination of the electrons cashed into the electron transport chain?

### To oxygen -converts oxygen to water

2

##
Nadh->

Fadh2->

###
Nad and fad (oxidations)

-the electrons are pumped into electron transport chain

-it also pumps protons across the membrane

3

## [H+] in the intermembrane space vs mitochondrisl mstrix

###
Intermembrane space has high [H+]

Mitochondrial matrix has low [H+]

4

## Where does the electron transport chain take place

### In the inner mitochondrial membrane

5

## Where are the protons pumped?

### Out of the matrix and into the intermembrane space

6

## PH?

###
-higher pH means more basic

-matrix has a higher pH (lower H+concentration)

-intermembrane space has a lower pH (higher H+ concentration)

7

## Four major complex involved

###
-nadh hands his electrons off to complex 1

----- converts him to nad

-complex 1 hands them to a carrier COENZYME Q (aka ubiquinone)

-coenzyme Q hands the electrons to complex 3

-Complex 3 gives the electrons to a carrier CYTOCHROME C

-cytochrome c gives electrons to complex 4

-complex 4 gives electrons to oxygen and makes h2o

8

## Which complex is involved in the pumping of protons?

### Complex 1, 3 and 4

9

## Fadh2

###
Gives his electrons to complex 2

-complex 2 hands them to coQ and so on

10

## Which way would protons spontaneously flow?

###
-from the intermembrane space to the matrix

-from a higher concentration to a lower

-this causes adp to rotate converting adp into atp

11