Biology - Mock Test 121

Question 1201

Enzymes having slightly different molecules structure but performing identical activity are ?

A) Apoenzymes B) Isoenzymes C) Holoenzymes D) Coenzymes

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Question 1202

Enzymes functional inside the cells are called ?

A) endoenzymes B) exoenzymes C) apoenzymes D) isoenzymes

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Question 1203

Enzymes exist in the cells as ?

A) Solution B) Crystals C) Solids D) Colloids

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Question 1204

In which of the following organisms enzymes are absent ?

A) Fungi B) Viruses C) Algae D) Bacteria

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Question 1205

ELISA tests are used to ?

A) Isolate DNA sequence B) Purity proteins C) Separate viral RNA D) Identify specific proteins

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Question 1206

Specificity of protein in enzyme action depends upon ?

A) Active sites B) Km constant C) Linear sequence of amino acids D) Turn over number

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Question 1207

Enzymes are sensitive to?

A) cold B) cell wall C) heat D) pressure

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Question 1208

Value needed for enzyme action is ______?

A) Low Km B) Low Ki C) High Km D) High Ki

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Question 1209

The enzyme which hydrolyses starch to maltose is ?

A) protease B) amylase C) lactase D) maltase

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Question 1210

Enzymes are polymers of ?

A) Hexose sugar B) Amino acids C) Fatty acids D) Inorganic phosphate

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