Biochemistry
Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Use the following table for all questions in the problem set related to glycolysis:
TABLE 18.1 Reactions and Thermodynamics of Glycolysis
AG"
AG
Reaction
Enzyme
(k/mol)
at 25°c
(kJ/mol)
Hexokinase
Glucokinase
a-D-Glucose + ATPt-=
-16.7
850
-33.9*
glucose-6-phosphate?- + ADP- + H*
Glucose-6 phosphate²-=fructose-6-phosphate-
Fructose-6-phosphate- + ATP-=
fructose-1,6-bisphosphate- + ADP- + H*
Fructose-1,6-bisphosphate
dihydroxyacetone-P- + glyceraldehyde-3-P:-
Dihydroxyacetone-P=glyceraldehyde-3-P-
Glyceraldehyde-3-P- + P?- + NAD*=
1,3-bisphosphoglycerate- + NADH + H*
1,3-Bisphosphoglycerate + ADP-
Phosphoglucoisomerase
Phosphofructokinase
+1.67
0.51
-2.92
-14.2
310
-18.8
Fructose bisphosphate
aldolase
+23.9
6.43 X 10-3
-0.23
Triose phosphate isomerase
Glyceraldehyde-3-P
dehydrogenase
Phosphoglycerate kinase
+7.56
0.0472
+2.41
+6.30
0.0786
-1.29
-18.9
2060
+0.1
3-Pglycerate- + ATP-
3-Phosphoglycerate =2phosphoglycerate
2-Phosphoglycerate-=
Phosphoglycerate mutase
+4.4
0.169
+0.83
Enolase
+1.8
0.483
+1.1
phosphoenolpyruvate-+ H,0
Phosphoenolpyruvate- + ADP- + H* =
Pyruvate + ATpt-
Pyruvate + NADH + H*= lactate" + NAD*
Pyruvate kinase
-31.7
3.63 x 10
-23.0
Lactate dehydrogenase
-25.2
2.63 x 10
-14.8
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Transcribed Image Text:Use the following table for all questions in the problem set related to glycolysis: TABLE 18.1 Reactions and Thermodynamics of Glycolysis AG" AG Reaction Enzyme (k/mol) at 25°c (kJ/mol) Hexokinase Glucokinase a-D-Glucose + ATPt-= -16.7 850 -33.9* glucose-6-phosphate?- + ADP- + H* Glucose-6 phosphate²-=fructose-6-phosphate- Fructose-6-phosphate- + ATP-= fructose-1,6-bisphosphate- + ADP- + H* Fructose-1,6-bisphosphate dihydroxyacetone-P- + glyceraldehyde-3-P:- Dihydroxyacetone-P=glyceraldehyde-3-P- Glyceraldehyde-3-P- + P?- + NAD*= 1,3-bisphosphoglycerate- + NADH + H* 1,3-Bisphosphoglycerate + ADP- Phosphoglucoisomerase Phosphofructokinase +1.67 0.51 -2.92 -14.2 310 -18.8 Fructose bisphosphate aldolase +23.9 6.43 X 10-3 -0.23 Triose phosphate isomerase Glyceraldehyde-3-P dehydrogenase Phosphoglycerate kinase +7.56 0.0472 +2.41 +6.30 0.0786 -1.29 -18.9 2060 +0.1 3-Pglycerate- + ATP- 3-Phosphoglycerate =2phosphoglycerate 2-Phosphoglycerate-= Phosphoglycerate mutase +4.4 0.169 +0.83 Enolase +1.8 0.483 +1.1 phosphoenolpyruvate-+ H,0 Phosphoenolpyruvate- + ADP- + H* = Pyruvate + ATpt- Pyruvate + NADH + H*= lactate" + NAD* Pyruvate kinase -31.7 3.63 x 10 -23.0 Lactate dehydrogenase -25.2 2.63 x 10 -14.8
What is the net equation for the first 5 reactions of glycolysis?
O Glucose + 2 ATP ---> 2 Glyceraldehyde-3-Phosphate + 2ADP + 2H+
O Glucose + 2 ADP---> 2 Glyceraldehyde-3-phosphate + 2ATP + H+
Glucose + ATP--->2 Glyceraldehyde-3-phosphate + ADP + H+
O Cannot be determined.
expand button
Transcribed Image Text:What is the net equation for the first 5 reactions of glycolysis? O Glucose + 2 ATP ---> 2 Glyceraldehyde-3-Phosphate + 2ADP + 2H+ O Glucose + 2 ADP---> 2 Glyceraldehyde-3-phosphate + 2ATP + H+ Glucose + ATP--->2 Glyceraldehyde-3-phosphate + ADP + H+ O Cannot be determined.
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