Enzymes - Mock Test 43

Question 421

The structure which appears to be the only organ to add significant quantities of ketone bodies to the blood is?

A) Brain B) Erythrocytes C) Liver D) Skeletal muscle

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Question 422

In humans under normal conditions loss of ketone bodies via urine is usually less than?

A) 1 mg/24 hr B) 4 mg/24 hr C) 8 mg/24 hr D) 10 mg/24 hr

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Question 423

The concentration of ketone bodies in the blood does not normally exceed?

A) 0.2 mmol/L B) 0.4 mmol/L C) 1 mmol/L D) 2 mmol/L

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Question 424

The coenzyme involved in dehydrogenation of 3-hydroxy acyl-CoA is?

A) FAD B) FMN C) NAD D) NADP

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Question 425

In β-oxidation, the coenzyme for acyl-CoA dehydrogenase is?

A) FMN B) NAD C) NADP D) FAD

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Question 426

α-Oxidation i.e., the removal of one carbon at a time from the carboxyl end of the molecule has been detected in?

A) Brain tissue B) Liver C) Adipose tissue D) Intestine

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Question 427

ω-oxidation is normally a very minor pathway and is brought by hydroxylase enzymes involving?

A) Cytochrome a B) Cytochrome b C) Cytochrome c D) Cytochrome p-450

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Question 428

The net gain of ATP/mol of palmitic acid on complete oxidation is?

A) 88 B) 105 C) 129 D) 135

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Question 429

For each of the first 7-acetyl-CoA molecules formed by α-oxidation of palmitic acid, the yield of high energy phosphates is?

A) 12 B) 24 C) 30 D) 35

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Question 430

Fatty acids with odd number of carbon atoms yield acetyl-CoA and a molecule of?

A) Succinyl-CoA B) Propionyl-CoA C) Malonyl-CoA D) Acetoacetyl-CoA

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