Nucleic Acids - Mock Test 43

Question 421

Adenosine kinase can salvage?

A) Adenosine B) Adenosine and deoxyadenosine C) Adenosine and guanosine D) Adenine and adenosine

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Question 422

Deoxycytidine kinase can salvage?

A) Adenosine B) Adenosine and deoxyadenosine C) Adenosine and guanosine D) Adenine and adenosine

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Question 423

Free purine bases which can be salvaged are?

A) Adenine and guanine B) Adenine and hypoxanthine C) Guanine and hypoxanthine D) Adenine, guanine and hypoxanthine

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Question 424

The first reaction unique to purine nucleotide synthesis is catalysed by?

A) PRPP synthetase B) PRPP glutamyl amido transferase C) Phosphoribosyl glycinamide synthetase D) Formyl transferase

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Question 425

AMP is an allosteric inhibitor of?

A) PRPP synthetase B) Adenylosucciante synthetase C) Both 1⃣ and 2⃣ D) None of these

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Question 426

GMP is an allosteric inhibitor of all the following except?

A) PRPP synthetase B) PRPP glutamyl amido synthetase C) IMP dehydrogenase D) Adenylosuccinate synthetase

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Question 427

An allosteric inhibitor of IMP dehydrogenase is?

A) AMP B) ADP C) GMP D) GDP

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Question 428

An allosteric inhibitor of adenylosuccinate synthetase is?

A) AMP B) ADP C) GMP D) GDP

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Question 429

An allosteric inhibitor of adenylosuccinate synthetase is?

A) AMP B) ADP C) GMP D) GDP

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Question 430

An allosteric inhibitor of PRPP glutamyl amido transferase is?

A) AMP B) ADP C) GMP D) All of these

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