Enzymes - Mock Test 57

Question 561

An examp le of group transferr ing coenzyme is?

A) NAD+ B) NADP+ C) FAD D) CoA

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Question 562

An example of hydrogen transferring coenzyme is?

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

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Question 563

Coenzymes are?

A) Heat stable, dialyzable, non protein organic molecules B) Soluble, colloidal, protein molecules C) Structural analogue of enzymes D) Different forms of enzymes

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Question 564

The pH optima of most of the enzymes is?

A) Between 2 and 4 B) Between 5 and 9 C) Between 8 and 12 D) Above 12

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Question 565

Enzyme involved in joining together two substrates is?

A) Glutamine synthetase B) Aldolase C) Gunaine deaminase D) Arginase

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Question 566

An enzyme which uses hydrogen acceptor as substrate is?

A) Xanthine oxidase B) Aldehyde oxidase C) Catalase D) Tryptophan oxygenase

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Question 567

The enzyme using some other substance, not oxygen as hydrogen acceptor is?

A) Tyrosinase B) Succinate dehydrogenase C) Uricase D) Cytochrome oxidase

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Question 568

An enzyme catalyzing oxidoreduction, using oxygen as hydrogen acceptor is?

A) Cytochrome oxidase B) Lactate dehydrogenase C) Malate dehydrogenase D) Succinate dehydrogenase

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Question 569

In non competitive enzyme activity inhibition, inhibitor?

A) Increases Km B) Decreases Km C) Does not effect Km D) Increases Km

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Question 570

In enzyme kinetics Vmax reflects?

A) The amount of an active enzyme B) Substrate concentration C) Half the substrate concentration D) Enzyme substrate complex

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