Label the major structures of the mitochondrion. Label the molecules involved inthe electron transport chain (i.e., NADH, FADH2, H).

Copyright © 2003 Nelson Chapter 2 Cellular Respiration 47

Student Worksheet

The Electron Transport Chain

LSM 2.2-5

48 Chapter 2 Cellular Respiration Copyright © 2003 Nelson

Student Worksheet Solutions

The Electron Transport Chain, Solution

LSM 2.2-6

ATP

ADP + Pi

ATPsynthase

2 H+ +

(fromKrebs cycle)

O212

FADH2

NADH

NADH

(fromglycolysis)

FADH2

outer mitochondrial membrane

intermembrane space

inner mitochondrial membrane

matrix

H+ H+

H+ H+H+

H+

H+

H+

H2O

Q C

Label the major structures of the mitochondrion. Label the molecules involved inthe electron transport chain (i.e., NADH, FADH2, H).