Rate Limiting Enzymes of Metabolic Processes

Rate Limiting Enzymes of Metabolic Processes

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Question 1

What is the rate limiting enzyme of glycogen synthesis?

A
Carbamoyl phosphate synthetase I
B
Glycogen synthase
C
Carbamoyl phosphate synthetase II
D
Glucose-6-phosphate dehydrogenase
Question 2

What is the rate limiting enzyme of the HMP shunt?

A
Isocitrate dehydrogenase
B
Glucose-6-phosphate dehydrogenase
C
HMG-CoA synthase
D
Phosphofructokinase-1
Question 3

What is the rate limiting enzyme of urea cycle?

A
Carbamoyl phosphate synthetase I
B
Glycogen synthase
C
Phosphofructokinase-1
D
HMG-CoA Synthase
Question 4

What is the rate limiting enzyme of fatty acid oxidation?

A
Carnitine acyltransfease I
B
Fructose-1,6-bisphosphatse
C
HMG-CoA reductase
D
HMG-CoA synthase
Question 5

What is the rate limiting enzyme of glocolysis?

A
Phosphofructokinase-1
B
Glycogen synthase
C
Fructose-1,6-bisphosphatase
D
Carnitine acyltransferase I
Question 6

What is the rate limiting enzyme of glycogenolysis?

A
Glutamine-PRPP amidotransferase
B
Carbamoyl phosphate synthetase I
C
Acetyl-CoA carboxylase
D
Glycogen phosphorylase
Question 7

What is the rate limiting enzyme of ketogenesis?

A
HMG-CoA oxidase
B
HMG-CoA reductase
C
HMG-CoA phosphatase
D
HMG-CoA synthase
Question 8

What is the rate limiting enzyme of gluconeogenesis?

A
Glycogen phosphorylase
B
Acetyl-CoA carboxylase
C
Phosphofructokinase-1
D
Fructose-1,6-bisphosphatase
Question 9

What is the rate limiting enzyme of de novo purine synthesis?

A
Carbamoyl phosphate synthetase II
B
Glutamine-PRPP amindotransferase
C
HMG-CoA synthase
D
HMG-CoA reductase
Question 10

What is the rate limiting enzyme of the TCA cycle?

A
HMG-CoA synthase
B
Glygen synthase
C
HMG-CoA reductase
D
Isocitrate dehydrogenase
Question 11

What is the rate limiting enzyme of fatty acid synthesis?

A
Acetyl-CoA carboxylase
B
Carnitine acyltransferase I
C
HMG-CoA synthase
D
Carbamoyl phosphate synthatase I
Question 12

What is the rate limiting enzyme of cholesterol synthesis?

A
Phosphofurctokinase-1
B
Fructose-1,6-bisphospatas
C
Glycogen synthase
D
HMG-CoA reductase
Question 13

What is the rate limiting enzyme of de novo pyrimidine synthesis?

A
Isocitrate dehydrogenase
B
Carnitine acyltransferase I
C
Carbamoyl phosphate synthetase II
D
Crbamoyl phosphate synthetase I
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