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 the HMP shunt?

A
HMG-CoA synthase
B
Phosphofructokinase-1
C
Glucose-6-phosphate dehydrogenase
D
Isocitrate dehydrogenase
Question 2

What is the rate limiting enzyme of ketogenesis?

A
HMG-CoA oxidase
B
HMG-CoA synthase
C
HMG-CoA phosphatase
D
HMG-CoA reductase
Question 3

What is the rate limiting enzyme of gluconeogenesis?

A
Fructose-1,6-bisphosphatase
B
Acetyl-CoA carboxylase
C
Phosphofructokinase-1
D
Glycogen phosphorylase
Question 4

What is the rate limiting enzyme of glocolysis?

A
Carnitine acyltransferase I
B
Fructose-1,6-bisphosphatase
C
Glycogen synthase
D
Phosphofructokinase-1
Question 5

What is the rate limiting enzyme of the TCA cycle?

A
HMG-CoA synthase
B
Glygen synthase
C
Isocitrate dehydrogenase
D
HMG-CoA reductase
Question 6

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

A
Carbamoyl phosphate synthetase II
B
Carnitine acyltransferase I
C
Isocitrate dehydrogenase
D
Crbamoyl phosphate synthetase I
Question 7

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

A
HMG-CoA synthase
B
Carbamoyl phosphate synthetase II
C
Glutamine-PRPP amindotransferase
D
HMG-CoA reductase
Question 8

What is the rate limiting enzyme of cholesterol synthesis?

A
HMG-CoA reductase
B
Fructose-1,6-bisphospatas
C
Phosphofurctokinase-1
D
Glycogen synthase
Question 9

What is the rate limiting enzyme of glycogen synthesis?

A
Carbamoyl phosphate synthetase II
B
Carbamoyl phosphate synthetase I
C
Glycogen synthase
D
Glucose-6-phosphate dehydrogenase
Question 10

What is the rate limiting enzyme of fatty acid synthesis?

A
Carbamoyl phosphate synthatase I
B
HMG-CoA synthase
C
Acetyl-CoA carboxylase
D
Carnitine acyltransferase I
Question 11

What is the rate limiting enzyme of glycogenolysis?

A
Carbamoyl phosphate synthetase I
B
Glycogen phosphorylase
C
Acetyl-CoA carboxylase
D
Glutamine-PRPP amidotransferase
Question 12

What is the rate limiting enzyme of urea cycle?

A
HMG-CoA Synthase
B
Glycogen synthase
C
Carbamoyl phosphate synthetase I
D
Phosphofructokinase-1
Question 13

What is the rate limiting enzyme of fatty acid oxidation?

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