10. Enzymes and Enzyme Action
Biomolecules

185552 Enzymes can react with acidic or basic substances due to their nature.

1 Amorphous
2 Competitive
3 Colloidal
4 Amphoteric
Biomolecules

185553 Study the following
| (I) | $\mathrm{K}_{\mathrm{m}}$ value | Affinity of the enzyme | Inverse measure enzyme affinity |
| :---: | :---: | :---: | :---: |
| (II) | Hydrolases | P-O bonds | Linking 2 compounds |
| (III) | Transferases | Transfer of a group | Inhibitor of reaction |
| (IV) | Emil Fischer | Lock and key hypothesis | Formation
of ES
complex |
The correct combinations are

1 I, IV
2 II, III
3 I, III
4 II, IV
Biomolecules

185554 The following graph shows concentration of substrate on enzyme activity:

What does the \(\mathrm{Y}\)-axis represent?

1 Temperature
2 Velocity of reaction
3 \(\mathrm{pH}\)
4 Pressure
Biomolecules

185560 Assertion: Enzyme have active sites and substrate reactive site on their surfaces respectively.
Reason: Active and reactive sites push the enzyme and substrate molecules away from each other.

1 \(\mathrm{A}\)
2 \(\mathrm{B}\)
3 \(\mathrm{C}\)
4 \(\mathrm{D}\)
5 \(\mathrm{E}\)
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Biomolecules

185552 Enzymes can react with acidic or basic substances due to their nature.

1 Amorphous
2 Competitive
3 Colloidal
4 Amphoteric
Biomolecules

185553 Study the following
| (I) | $\mathrm{K}_{\mathrm{m}}$ value | Affinity of the enzyme | Inverse measure enzyme affinity |
| :---: | :---: | :---: | :---: |
| (II) | Hydrolases | P-O bonds | Linking 2 compounds |
| (III) | Transferases | Transfer of a group | Inhibitor of reaction |
| (IV) | Emil Fischer | Lock and key hypothesis | Formation
of ES
complex |
The correct combinations are

1 I, IV
2 II, III
3 I, III
4 II, IV
Biomolecules

185554 The following graph shows concentration of substrate on enzyme activity:

What does the \(\mathrm{Y}\)-axis represent?

1 Temperature
2 Velocity of reaction
3 \(\mathrm{pH}\)
4 Pressure
Biomolecules

185560 Assertion: Enzyme have active sites and substrate reactive site on their surfaces respectively.
Reason: Active and reactive sites push the enzyme and substrate molecules away from each other.

1 \(\mathrm{A}\)
2 \(\mathrm{B}\)
3 \(\mathrm{C}\)
4 \(\mathrm{D}\)
5 \(\mathrm{E}\)
Biomolecules

185552 Enzymes can react with acidic or basic substances due to their nature.

1 Amorphous
2 Competitive
3 Colloidal
4 Amphoteric
Biomolecules

185553 Study the following
| (I) | $\mathrm{K}_{\mathrm{m}}$ value | Affinity of the enzyme | Inverse measure enzyme affinity |
| :---: | :---: | :---: | :---: |
| (II) | Hydrolases | P-O bonds | Linking 2 compounds |
| (III) | Transferases | Transfer of a group | Inhibitor of reaction |
| (IV) | Emil Fischer | Lock and key hypothesis | Formation
of ES
complex |
The correct combinations are

1 I, IV
2 II, III
3 I, III
4 II, IV
Biomolecules

185554 The following graph shows concentration of substrate on enzyme activity:

What does the \(\mathrm{Y}\)-axis represent?

1 Temperature
2 Velocity of reaction
3 \(\mathrm{pH}\)
4 Pressure
Biomolecules

185560 Assertion: Enzyme have active sites and substrate reactive site on their surfaces respectively.
Reason: Active and reactive sites push the enzyme and substrate molecules away from each other.

1 \(\mathrm{A}\)
2 \(\mathrm{B}\)
3 \(\mathrm{C}\)
4 \(\mathrm{D}\)
5 \(\mathrm{E}\)
Biomolecules

185552 Enzymes can react with acidic or basic substances due to their nature.

1 Amorphous
2 Competitive
3 Colloidal
4 Amphoteric
Biomolecules

185553 Study the following
| (I) | $\mathrm{K}_{\mathrm{m}}$ value | Affinity of the enzyme | Inverse measure enzyme affinity |
| :---: | :---: | :---: | :---: |
| (II) | Hydrolases | P-O bonds | Linking 2 compounds |
| (III) | Transferases | Transfer of a group | Inhibitor of reaction |
| (IV) | Emil Fischer | Lock and key hypothesis | Formation
of ES
complex |
The correct combinations are

1 I, IV
2 II, III
3 I, III
4 II, IV
Biomolecules

185554 The following graph shows concentration of substrate on enzyme activity:

What does the \(\mathrm{Y}\)-axis represent?

1 Temperature
2 Velocity of reaction
3 \(\mathrm{pH}\)
4 Pressure
Biomolecules

185560 Assertion: Enzyme have active sites and substrate reactive site on their surfaces respectively.
Reason: Active and reactive sites push the enzyme and substrate molecules away from each other.

1 \(\mathrm{A}\)
2 \(\mathrm{B}\)
3 \(\mathrm{C}\)
4 \(\mathrm{D}\)
5 \(\mathrm{E}\)