Nucleic Acids - Mock Test 54

Question 531

Gout is characterized by increased plasma levels of?

A) Urea B) Uric acid C) Creatine D) Creatinine

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Question 532

Gout is characterized by increased plasma levels of?

A) Urea B) Uric acid C) Creatine D) Creatinine

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Question 533

Gout is a metabolic disorder of catabolism of?

A) Pyrimidine B) Purine C) Alanine D) Phenylalanine

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Question 534

In mammals other than higher primates uric acid is converted by?

A) Oxidation to allantoin B) Reduction to ammonia C) Hydrolysis to ammonia D) Hydrolysis to allantoin

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Question 535

In humans purine are catabolised to uric acid due to lack of the enzyme?

A) Urease B) Uricase C) Xanthine oxidase D) Guanase

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Question 536

In humans end product of purine catabolism is?

A) Uric acid B) Urea C) Allantoin D) Xanthine

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Question 537

The enzyme aspartate transcarbamoylase of pyrimidine biosynthesis is inhibited by?

A) ATP B) ADP C) AMP D) CTP

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Question 538

An enzyme of pyrimidine nucleotides biosynthesis regulated at the genetic level by apparently coordinate repression and derepression is?

A) Carbamoyl phosphate synthetase B) Dihydroorotate dehydrogenase C) Thymidine kinase D) Deoxycytidine kinase

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Question 539

An enzyme of pyrimidine nucleotides biosynthesis regulated at the genetic level by apparently coordinate repression and derepression is?

A) Carbamoyl phosphate synthetase B) Dihydroorotate dehydrogenase C) Thymidine kinase D) Deoxycytidine kinase

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Question 540

An enzyme of pyrimidine nucleotide biosynthesis sensitive to allosteric regulation is?

A) Aspartate transcarbamoylase B) Dihydroorotase C) Dihydroorotate dehydrogenase D) Orotidylic acid decarboxylase

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