Enzymes and Mechanism of Enzyme Actions
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CHXII14:BIOMOLECULES

324592 Which of the following statements is incorrect about enzyme catalyst?

1 Enzymes are less reactive at optimum temperature.
2 Enzymes are mostly proteinous in nature.
3 Enzyme action is specific.
4 Enzymes are denatured by UV rays and at high temperature
CHXII14:BIOMOLECULES

324593 Of the following statements about enzymes, which ones are true?
(I) Enzymes lack in nucleophilic groups.
(II) Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions.
(III) Enzymes catalyze chemical reactions by lowering the energy of activation.
(IV)Pepsin is a proteolytic enzyme.

1 Only (I)
2 (I) and (IV)
3 (I) and (III)
4 (II), (III), and (IV)
CHXII14:BIOMOLECULES

324594 The enzyme which converts maltose to glucose is

1 maltase
2 insulin
3 lysine
4 zymase
MHTCET - 2019
CHXII14:BIOMOLECULES

324595 Which of the following statements is not correct?

1 All enzymes found in cells are invariably proteins which catalyse biological reactions.
2 Enzymes act efficiently at a moderate temperature and \(\mathrm{\mathrm{pH}}\).
3 Coenzymes increase the activities of enzymes.
4 Enzymes are not specific in their action on substrates.
CHXII14:BIOMOLECULES

324596 Protein \(\xrightarrow{\text { Enzyme }(\mathrm{A})}\) Polypeptide
\(\xrightarrow[\mathrm{B}]{\text { Enzyme }}\) Amino acids. 'A' and 'B' are:

1 Diastase & lipase
2 Pepsin & trypsin
3 Invertase & zymase
4 Amylase & maltase
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CHXII14:BIOMOLECULES

324592 Which of the following statements is incorrect about enzyme catalyst?

1 Enzymes are less reactive at optimum temperature.
2 Enzymes are mostly proteinous in nature.
3 Enzyme action is specific.
4 Enzymes are denatured by UV rays and at high temperature
CHXII14:BIOMOLECULES

324593 Of the following statements about enzymes, which ones are true?
(I) Enzymes lack in nucleophilic groups.
(II) Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions.
(III) Enzymes catalyze chemical reactions by lowering the energy of activation.
(IV)Pepsin is a proteolytic enzyme.

1 Only (I)
2 (I) and (IV)
3 (I) and (III)
4 (II), (III), and (IV)
CHXII14:BIOMOLECULES

324594 The enzyme which converts maltose to glucose is

1 maltase
2 insulin
3 lysine
4 zymase
MHTCET - 2019
CHXII14:BIOMOLECULES

324595 Which of the following statements is not correct?

1 All enzymes found in cells are invariably proteins which catalyse biological reactions.
2 Enzymes act efficiently at a moderate temperature and \(\mathrm{\mathrm{pH}}\).
3 Coenzymes increase the activities of enzymes.
4 Enzymes are not specific in their action on substrates.
CHXII14:BIOMOLECULES

324596 Protein \(\xrightarrow{\text { Enzyme }(\mathrm{A})}\) Polypeptide
\(\xrightarrow[\mathrm{B}]{\text { Enzyme }}\) Amino acids. 'A' and 'B' are:

1 Diastase & lipase
2 Pepsin & trypsin
3 Invertase & zymase
4 Amylase & maltase
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CHXII14:BIOMOLECULES

324592 Which of the following statements is incorrect about enzyme catalyst?

1 Enzymes are less reactive at optimum temperature.
2 Enzymes are mostly proteinous in nature.
3 Enzyme action is specific.
4 Enzymes are denatured by UV rays and at high temperature
CHXII14:BIOMOLECULES

324593 Of the following statements about enzymes, which ones are true?
(I) Enzymes lack in nucleophilic groups.
(II) Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions.
(III) Enzymes catalyze chemical reactions by lowering the energy of activation.
(IV)Pepsin is a proteolytic enzyme.

1 Only (I)
2 (I) and (IV)
3 (I) and (III)
4 (II), (III), and (IV)
CHXII14:BIOMOLECULES

324594 The enzyme which converts maltose to glucose is

1 maltase
2 insulin
3 lysine
4 zymase
MHTCET - 2019
CHXII14:BIOMOLECULES

324595 Which of the following statements is not correct?

1 All enzymes found in cells are invariably proteins which catalyse biological reactions.
2 Enzymes act efficiently at a moderate temperature and \(\mathrm{\mathrm{pH}}\).
3 Coenzymes increase the activities of enzymes.
4 Enzymes are not specific in their action on substrates.
CHXII14:BIOMOLECULES

324596 Protein \(\xrightarrow{\text { Enzyme }(\mathrm{A})}\) Polypeptide
\(\xrightarrow[\mathrm{B}]{\text { Enzyme }}\) Amino acids. 'A' and 'B' are:

1 Diastase & lipase
2 Pepsin & trypsin
3 Invertase & zymase
4 Amylase & maltase
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CHXII14:BIOMOLECULES

324592 Which of the following statements is incorrect about enzyme catalyst?

1 Enzymes are less reactive at optimum temperature.
2 Enzymes are mostly proteinous in nature.
3 Enzyme action is specific.
4 Enzymes are denatured by UV rays and at high temperature
CHXII14:BIOMOLECULES

324593 Of the following statements about enzymes, which ones are true?
(I) Enzymes lack in nucleophilic groups.
(II) Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions.
(III) Enzymes catalyze chemical reactions by lowering the energy of activation.
(IV)Pepsin is a proteolytic enzyme.

1 Only (I)
2 (I) and (IV)
3 (I) and (III)
4 (II), (III), and (IV)
CHXII14:BIOMOLECULES

324594 The enzyme which converts maltose to glucose is

1 maltase
2 insulin
3 lysine
4 zymase
MHTCET - 2019
CHXII14:BIOMOLECULES

324595 Which of the following statements is not correct?

1 All enzymes found in cells are invariably proteins which catalyse biological reactions.
2 Enzymes act efficiently at a moderate temperature and \(\mathrm{\mathrm{pH}}\).
3 Coenzymes increase the activities of enzymes.
4 Enzymes are not specific in their action on substrates.
CHXII14:BIOMOLECULES

324596 Protein \(\xrightarrow{\text { Enzyme }(\mathrm{A})}\) Polypeptide
\(\xrightarrow[\mathrm{B}]{\text { Enzyme }}\) Amino acids. 'A' and 'B' are:

1 Diastase & lipase
2 Pepsin & trypsin
3 Invertase & zymase
4 Amylase & maltase
Join With Us for More Updates
CHXII14:BIOMOLECULES

324592 Which of the following statements is incorrect about enzyme catalyst?

1 Enzymes are less reactive at optimum temperature.
2 Enzymes are mostly proteinous in nature.
3 Enzyme action is specific.
4 Enzymes are denatured by UV rays and at high temperature
CHXII14:BIOMOLECULES

324593 Of the following statements about enzymes, which ones are true?
(I) Enzymes lack in nucleophilic groups.
(II) Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions.
(III) Enzymes catalyze chemical reactions by lowering the energy of activation.
(IV)Pepsin is a proteolytic enzyme.

1 Only (I)
2 (I) and (IV)
3 (I) and (III)
4 (II), (III), and (IV)
CHXII14:BIOMOLECULES

324594 The enzyme which converts maltose to glucose is

1 maltase
2 insulin
3 lysine
4 zymase
MHTCET - 2019
CHXII14:BIOMOLECULES

324595 Which of the following statements is not correct?

1 All enzymes found in cells are invariably proteins which catalyse biological reactions.
2 Enzymes act efficiently at a moderate temperature and \(\mathrm{\mathrm{pH}}\).
3 Coenzymes increase the activities of enzymes.
4 Enzymes are not specific in their action on substrates.
CHXII14:BIOMOLECULES

324596 Protein \(\xrightarrow{\text { Enzyme }(\mathrm{A})}\) Polypeptide
\(\xrightarrow[\mathrm{B}]{\text { Enzyme }}\) Amino acids. 'A' and 'B' are:

1 Diastase & lipase
2 Pepsin & trypsin
3 Invertase & zymase
4 Amylase & maltase