Follow the two carbon atoms that enter the citric acid cycle (C₂). Are the two CO2 molecules given off in one turn of the citric acid cycle composed of the same 2 carbon atoms that entered the cycle? NADH + H+ NAD+ H HỌ–C–COO- H₂C-COO 7 FADE₂ 0-C-COO Malate HC-COO FAD -OOC-CH Fumarate H₂C-COO- Oxaloacetate Succinate H₂C-COO H₂C-COO CH, CO—S—CoA Acetyl coenzyme A GTP CoA GDP CoA H₂C-COO- HỌ–C–COO- H₂C-COO- Citrate Isocitrate HO–C–COO H₂C-COO- HC-COO- CO₂ a-Ketoglutarate COA CO₂ Succinyl COA H₂C-Coo- H₂C-CO-S-CoA H I H₂C-COO- H₂C 0-C-C00- NAD+ NADH + H+ NAD+ NADH + H+

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Follow the two carbon atoms that enter the citric acid cycle (C₂). Are the two CO₂ molecules given off in
one turn of the citric acid cycle composed of the same 2 carbon atoms that entered the cycle?
NADH + H+
NAD+
H
HỌ—C—COO-
H₂C-COO-
°↑
7
FADH₂
0 C-C00
H₂C-COO-
Oxaloacetate
Malate
HC-COO-
-OOC-CH Fumarate
FAD
Succinate
H₂C-COO
H₂C-COO
CH,CO—S-CoA
Acetyl coenzyme A
GTP
COA
GDP
COA
H₂C-COO-
HỌ–C–COO-
H₂C-COO-
Citrate
H₂C-COO-
Isocitrate HC-COO-
HO–C–COO
H
e
T
CO₂
Succinyl COA
H₂C-COO-
CO₂
a-Ketoglutarate
CoA
H₂C-CO-S-CoA
H₂C-COO
H₂C
0-C-COO-
NAD+
NADH + H+
NAD+
NADH + H+
Transcribed Image Text:Follow the two carbon atoms that enter the citric acid cycle (C₂). Are the two CO₂ molecules given off in one turn of the citric acid cycle composed of the same 2 carbon atoms that entered the cycle? NADH + H+ NAD+ H HỌ—C—COO- H₂C-COO- °↑ 7 FADH₂ 0 C-C00 H₂C-COO- Oxaloacetate Malate HC-COO- -OOC-CH Fumarate FAD Succinate H₂C-COO H₂C-COO CH,CO—S-CoA Acetyl coenzyme A GTP COA GDP COA H₂C-COO- HỌ–C–COO- H₂C-COO- Citrate H₂C-COO- Isocitrate HC-COO- HO–C–COO H e T CO₂ Succinyl COA H₂C-COO- CO₂ a-Ketoglutarate CoA H₂C-CO-S-CoA H₂C-COO H₂C 0-C-COO- NAD+ NADH + H+ NAD+ NADH + H+
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