91)Which of the following enzymes is not protein?
Pepsin Steapin
Ribozyme and Ribonuclease-p Trypsin
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92)The non protein organic factor firmly attached to apoenzyme is called as
Co - enzyme Co - factor
Activator Prosthetic group
Answer :

93)Enzymes are different from inorganic catalysts in
Being proteinaceous in nature Not being used up in reactions
Working at high tempature Having a high duffusion rate
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94)Which one of the following is correct?
All enzymes are exhaustedin chemical reaction They are non specific in their function
All enzymes participate in metabolic reaction Enzymes are not proteinaceous
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95)The turnover number of an enzyme depends upon
Concentration of substrate molecule Active sites of enzyme molecule
Size of enzyme molecule Molecular weight of enzyme
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96)The structural level that enables the proteins to function as enzymes
Quarternary level Tertiary level
Secondary level Primary level
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97)Enzymes, vitamins, hormones have one thing in common
All are proteins All are synthesized in organisms
All aid in regulating metabolism All enhance oxidative metabolism
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98)Out of total enzymes present in the cell, mitochondrion alon has
20% 60%
70% 95%
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99)Who did show that enzymes are proteins?
Miller Sumner
Pasteur Leeuwenhoek
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100)Protein part of a conjugate enzyme is known as
Apoenzyme Co-enzyme
Co-factor Prosthetic group
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101)Destructive effect of high temperature on enzyme action is due to
Formation of linkage between apoenzyme and its cofactor Acceleration of reverse reaction
Destructive of tertiary and quarternary structure of enzymes All of these
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102)Enzymes in nature is
Amphoteric Colloidal
Highly sensitive All of these
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103)Find the wrong statement about enzyme action?
They are proteins with complex three dimensional structure Their molecular weight is high
They act as catalyst and are required in small concentration Their diffusion rate is very high
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104)Enzymes have
Different pH and different temperature optima Different pH but same temperature optima
Same pH but different temperature optima Same pH and temperature optima
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105)The relationship between turnover number and Km is
Inverse Linear
Direct None of these
Answer :

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