Biochemistry - Mock Test 6

Question 51

The process where the exergonic clevage of ATP is used for the endergonic biochemical processes is called

A) Catabolism B) Anabolism C) Energetic uncoupling D) Energetic coupling

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Question 52

The important source of cellular energy is

A) Oxidation of nitrogenous compounds B) Reduction of nitrogenous compounds C) Oxidation of carbon containing molecules D) Reduction of carbon containing molecules

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Question 53

The hydrolysis of ATP to ADP yields

A) -14.8 kcal mol⁻¹ B) -7.3 kcal mol⁻¹ C) -5.0 kcal mol⁻¹ D) -3.3 kcal mol⁻¹

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Question 54

The principle biological energy exchange mode is

A) GTP-CDP cycle B) GTP-UDP cycle C) CDT-CTP cycle D) ATP-ADP cycle

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Question 55

The energy-rich state of ATP is due to the presence of

A) One phosphoanhydride bond in its triphosphate unit B) Absence of phosphoanhydride bond in its triphosphate unit C) Two phosphoanhydride bonds in its triphosphate unit D) Three phosphoanhydride bond in its triphosphate unit

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Question 56

The rate of second order reactions depend on

A) Concentration of substrate B) Concentration of reactants C) Concentration of both substrate and reactants D) Concentration of neither the substrate nor reactants

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Question 57

The rate of first order reactions depend on

A) Concentration of substrate B) Concentration of reactants C) Concentration of both substrate and reactants D) Concentration of neither the substrate nor reactants

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Question 58

The rate of reaction which depends on the substrate concentration is given by

A) First law of thermodynamics B) Second law of thermodynamics C) Rate law D) Coulomb's law

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Question 59

The zero-order rate constant is represented by

A) k = v B) v = k C) v = k [A] D) v = k [A][B]

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Question 60

The second-order rate constant is represented by

A) k = v B) v = k C) v = k [A] D) v = k [A][B]

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