Enzymes - Mock Test 22

Question 211

Maximum enzyme activity is observed at?

A) Acidic pH B) Neutral pH C) Basic pH D) Optimum pH

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Question 212

Adenylate cyclase is activated by?

A) Insulin B) Glucagon C) Prostaglandin E1 D) Ca2+ ions

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Question 213

Thiamine is essential for?

A) Pyruvate dehydrogenase B) Isocitrate dehydrogenase C) Succinate dehydrogenase D) Acetyl CoA synthetase

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Question 214

All the following compounds are members of the electron transport chain except?

A) Ubiquinone B) Carnitine C) NAD D) FAD

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Question 215

Which of the following is not a cofactor?

A) Mg B) Iron C) Cu D) Methylcobalamine

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Question 216

All the following are coenzymes except?

A) Ubiquinone B) CoA C) Pyruvate dehydrogenase D) Lipoic acid

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Question 217

Coenzymes derived from the vitamin shown below are required by which of the following enzymes?

A) Lactate dehydrogenase B) Glutamate dehydrogenase C) Pyruvate dehydrogenase D) Malate dehydrogenase

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Question 218

Coenzymes derived from the vitamin shown below are required by enzymes involved in the synthesis of which of the following?

A) ATP B) UTP C) CTP D) NADH

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Question 219

Which one of the following enzymes requires a coenzyme derived from the vitamin whose structure is shown below?

A) Enoyl CoA hydratase B) Phosphofructokinase C) Glucose-6-phosphatase D) Glucose-6-phosphate dehydrogenase

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Question 220

Which one of the following cofactors must be utilized during the conversion of acetyl CoA to malonyl CoA?

A) TPP B) ACP C) NAD+ D) Biotin

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