Rate Limiting Enzymes of Metabolic Processes

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Question 1

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

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

Question 2

What is the rate limiting enzyme of glocolysis?

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

Question 3

What is the rate limiting enzyme of ketogenesis?

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

Question 4

What is the rate limiting enzyme of urea cycle?

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

Question 5

What is the rate limiting enzyme of fatty acid synthesis?

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

Question 6

What is the rate limiting enzyme of gluconeogenesis?

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

Question 7

What is the rate limiting enzyme of the TCA cycle?

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

Question 8

What is the rate limiting enzyme of the HMP shunt?

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

Question 9

What is the rate limiting enzyme of glycogenolysis?

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

Question 10

What is the rate limiting enzyme of fatty acid oxidation?

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

Question 11

What is the rate limiting enzyme of cholesterol synthesis?

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

Question 12

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

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

Question 13

What is the rate limiting enzyme of glycogen synthesis?

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

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