08. Enzymes
Biomolecules

277783 Select the type of enzyme involved in the following reaction.
$\text{S}-\text{G}+\text{{S}'}\to \text{S}+\text{{S}'}-\text{G}$

1 Dehydrogenase
2 Transferase
3 Hydrolase
4 Lyase
Biomolecules

277785 The $\text{Km}$ value of the enzyme is the value of the substrate concentration at which the reaction reaches to

1 Zero
2 $2\text{Vmax}$
3 $1/2V\text{max}$
4 $1/4\text{Vmax}$
Biomolecules

277786 Enzyme that break nucleic acids into nucleotides belongs to which of following class?

1 Oxidoreductases
2 Transferases
3 Hydrolases
4 Lyases
Biomolecules

277787 The class of enzymes that catalyze the removal of a group from a substrate without addition of water, leaving double bonds is

1 Transferases
2 Dehydrogenases
3 Hydrolases
4 Lyases
Biomolecules

277788 Which one of the following statements is incorrect?

1 In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
2 The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
3 The presence of the competitive inhibitor decreases the$\text{Km}$ of the enzyme for the substrate.
4 A competitive inhibitor reacts reversibly with the enzyme to form an enzyme- inhibitor complex.
Biomolecules

277783 Select the type of enzyme involved in the following reaction.
$\text{S}-\text{G}+\text{{S}'}\to \text{S}+\text{{S}'}-\text{G}$

1 Dehydrogenase
2 Transferase
3 Hydrolase
4 Lyase
Biomolecules

277785 The $\text{Km}$ value of the enzyme is the value of the substrate concentration at which the reaction reaches to

1 Zero
2 $2\text{Vmax}$
3 $1/2V\text{max}$
4 $1/4\text{Vmax}$
Biomolecules

277786 Enzyme that break nucleic acids into nucleotides belongs to which of following class?

1 Oxidoreductases
2 Transferases
3 Hydrolases
4 Lyases
Biomolecules

277787 The class of enzymes that catalyze the removal of a group from a substrate without addition of water, leaving double bonds is

1 Transferases
2 Dehydrogenases
3 Hydrolases
4 Lyases
Biomolecules

277788 Which one of the following statements is incorrect?

1 In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
2 The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
3 The presence of the competitive inhibitor decreases the$\text{Km}$ of the enzyme for the substrate.
4 A competitive inhibitor reacts reversibly with the enzyme to form an enzyme- inhibitor complex.
Biomolecules

277783 Select the type of enzyme involved in the following reaction.
$\text{S}-\text{G}+\text{{S}'}\to \text{S}+\text{{S}'}-\text{G}$

1 Dehydrogenase
2 Transferase
3 Hydrolase
4 Lyase
Biomolecules

277785 The $\text{Km}$ value of the enzyme is the value of the substrate concentration at which the reaction reaches to

1 Zero
2 $2\text{Vmax}$
3 $1/2V\text{max}$
4 $1/4\text{Vmax}$
Biomolecules

277786 Enzyme that break nucleic acids into nucleotides belongs to which of following class?

1 Oxidoreductases
2 Transferases
3 Hydrolases
4 Lyases
Biomolecules

277787 The class of enzymes that catalyze the removal of a group from a substrate without addition of water, leaving double bonds is

1 Transferases
2 Dehydrogenases
3 Hydrolases
4 Lyases
Biomolecules

277788 Which one of the following statements is incorrect?

1 In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
2 The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
3 The presence of the competitive inhibitor decreases the$\text{Km}$ of the enzyme for the substrate.
4 A competitive inhibitor reacts reversibly with the enzyme to form an enzyme- inhibitor complex.
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Biomolecules

277783 Select the type of enzyme involved in the following reaction.
$\text{S}-\text{G}+\text{{S}'}\to \text{S}+\text{{S}'}-\text{G}$

1 Dehydrogenase
2 Transferase
3 Hydrolase
4 Lyase
Biomolecules

277785 The $\text{Km}$ value of the enzyme is the value of the substrate concentration at which the reaction reaches to

1 Zero
2 $2\text{Vmax}$
3 $1/2V\text{max}$
4 $1/4\text{Vmax}$
Biomolecules

277786 Enzyme that break nucleic acids into nucleotides belongs to which of following class?

1 Oxidoreductases
2 Transferases
3 Hydrolases
4 Lyases
Biomolecules

277787 The class of enzymes that catalyze the removal of a group from a substrate without addition of water, leaving double bonds is

1 Transferases
2 Dehydrogenases
3 Hydrolases
4 Lyases
Biomolecules

277788 Which one of the following statements is incorrect?

1 In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
2 The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
3 The presence of the competitive inhibitor decreases the$\text{Km}$ of the enzyme for the substrate.
4 A competitive inhibitor reacts reversibly with the enzyme to form an enzyme- inhibitor complex.
Biomolecules

277783 Select the type of enzyme involved in the following reaction.
$\text{S}-\text{G}+\text{{S}'}\to \text{S}+\text{{S}'}-\text{G}$

1 Dehydrogenase
2 Transferase
3 Hydrolase
4 Lyase
Biomolecules

277785 The $\text{Km}$ value of the enzyme is the value of the substrate concentration at which the reaction reaches to

1 Zero
2 $2\text{Vmax}$
3 $1/2V\text{max}$
4 $1/4\text{Vmax}$
Biomolecules

277786 Enzyme that break nucleic acids into nucleotides belongs to which of following class?

1 Oxidoreductases
2 Transferases
3 Hydrolases
4 Lyases
Biomolecules

277787 The class of enzymes that catalyze the removal of a group from a substrate without addition of water, leaving double bonds is

1 Transferases
2 Dehydrogenases
3 Hydrolases
4 Lyases
Biomolecules

277788 Which one of the following statements is incorrect?

1 In competitive inhibition, the inhibitor molecule is not chemically changed by the enzyme.
2 The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
3 The presence of the competitive inhibitor decreases the$\text{Km}$ of the enzyme for the substrate.
4 A competitive inhibitor reacts reversibly with the enzyme to form an enzyme- inhibitor complex.