Enzymes - Mock Test 25

Question 241

If glucose-1-phosphate formed by glycogenoloysis in muscles is oxidized to CO2 and H2O, the energy yield will be?

A) 2 ATP equivalents B) 3 ATP equivalents C) 4 ATP equivalents D) 8 ATP equivalents

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Question 242

A coenzyme present in phosphorylase is?

A) NAD B) Pyridoxal phosphate C) Thiamin pyrophosphate D) Coenzyme A

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Question 243

Glucose-1-phosphate liberated from glycogen cannot be converted into free glucose in?

A) Liver B) Kidneys C) Muscles D) Brain

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Question 244

After the action of phosphorylase, glycogen is converted into?

A) Amylopectin B) dextrin C) Amylose D) Maltose

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Question 245

Hepatic glycogenoloysis is increased by?

A) Insulin B) Glucagon C) Epinephrine D) Glucocorticoids

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Question 246

Glycogenoloysis is increased by?

A) Glucagon B) Insulin C) Epinephrine D) cAMP

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Question 247

Glycogen synthetase catalyses the formation of?

A) α−1, 4-Glycosidic bonds B) α−1, 6-Glycosidic bonds C) Both A and B D) None of these

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Question 248

Glycogenesis requires?

A) GTP B) CTP C) UTP D) None of these

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Question 249

The rate of HMP shunt reactions is?

A) Increased by Insulin B) Increased in diabetes mellitus C) Increased by glucagons D) Increased in starvation

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Question 250

The regulatory enzyme in HMP shunt is?

A) Glucose-6-phosphate dehydrogenase B) 6-Phosphogluconate dehydrogenase C) Both A and B D) None of these

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