5 Steps to a 5 AP Biology, 2014-2015 Edition

Respiration ❮ 65

(C = Carbon)

O–

NAD+ NADH

C = O

Acetyl CoA (2 C)

C = O

CO 2

CH 3

Pyruvate

Oxaloacetate (4C) Citrate (6C)

NADH

NAD+

Malate (4C) Isocitrate (6C)

NAD+

NADH

Fumarate (4C) 



α-Ketoglutarate (5C)

NAD+

FADH 2
NADH
FADH Succinate (4C) Succinyl CoA (4C)

ATP ADP

If I remember one thing

about the Krebs cycle:

Each pyruvate yields

4 NADH, 1 FADH 2 ,

and1ATP

Figure 7.2 The Krebs cycle.

http://www.ebook3000.com