ng glycolysis, t
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
Problem 1P
Related questions
Question
![18) During glycolysis, the molecule shown at right is the substrate of
a) aldolase
b) triosephosphate isomerase
c) glyceraldehyde 3-phosphate dehydrogenase
d) phosphoglycerate mutase
0-P-O
19) fr the molecule at right (above) proceed to 2-phosphoglycerate, which of the following
would be the position of the carbon marked with a star?
b)
c)
d)
H.
-P=0
-0-P=0
ОН
HO.
HO.
HO.
When we break down fats (triacylglycerol), the glycerol can be converted to pyruvate (or lactate) by entering
glycolysis as shown below.
HO
ATP
ADP
NAD
NADH
shycolysis
но
Om-o
20) If one molecule of glycerol is converted to one molecule of pyruvate, what is the net synthesis of ATP?
a) +3
b) +2
c) +1
0 (P
e) -1
f) -2
g) -3
21) If one molecule of glycerol is converted to one molecule of lactate, what is the net synthesis of NAD:H?
a) +3
b) +2
c) +1
d) 0
e) -1
f) -2
g) -3
22) Consider the reaction catalyzed by phosphoglycerate mutase. Which of the following would force the
reaction to go more so in the glycolysis direction?
a) Remove 2-phosphoglycerate
b) Remove 3-phosphoglycerate
c) Add phosphoenolpyruvate
d) Remove glyceraldehyde 3-phosphate](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec3131d7-8cc9-4ade-8fe7-70b24e3fb6a2%2F24f14314-a15f-44ea-98a7-2bcd7f9957ad%2Fpltpeuk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:18) During glycolysis, the molecule shown at right is the substrate of
a) aldolase
b) triosephosphate isomerase
c) glyceraldehyde 3-phosphate dehydrogenase
d) phosphoglycerate mutase
0-P-O
19) fr the molecule at right (above) proceed to 2-phosphoglycerate, which of the following
would be the position of the carbon marked with a star?
b)
c)
d)
H.
-P=0
-0-P=0
ОН
HO.
HO.
HO.
When we break down fats (triacylglycerol), the glycerol can be converted to pyruvate (or lactate) by entering
glycolysis as shown below.
HO
ATP
ADP
NAD
NADH
shycolysis
но
Om-o
20) If one molecule of glycerol is converted to one molecule of pyruvate, what is the net synthesis of ATP?
a) +3
b) +2
c) +1
0 (P
e) -1
f) -2
g) -3
21) If one molecule of glycerol is converted to one molecule of lactate, what is the net synthesis of NAD:H?
a) +3
b) +2
c) +1
d) 0
e) -1
f) -2
g) -3
22) Consider the reaction catalyzed by phosphoglycerate mutase. Which of the following would force the
reaction to go more so in the glycolysis direction?
a) Remove 2-phosphoglycerate
b) Remove 3-phosphoglycerate
c) Add phosphoenolpyruvate
d) Remove glyceraldehyde 3-phosphate
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