The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15 °C for an enzyme. Concept Introduction: Enzyme: It is a protein or a molecule which can act as a catalyst for a biological reaction. Does not affect the equilibrium point of the reaction. Active site of the enzyme is the region where the reaction takes place. Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme. Factors affecting enzyme activity: Substrate concentration Enzyme concentration Temperature pH

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Answer 1

Question

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

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Example 1: 1. Suppose an enzyme (MW = 5,000 g/mole) has a concentration of 0.05 mg/L. If the kcat is 1 x 10 s, what is the theoretical maximum reaction velocity for the enzyme? A) 1050 µM/s. B) 100 µM/s. C) 150 μM/s. D) 105 μM/s.

In 1956, E. P. Kennedy and S. B. Weiss published their study of membrane lipid phosphatidylcholine (lecithin) synthesis in rat liver. Their hypothesis was that phosphocholine joined with some cellular component to yield lecithin. In an earlier experiment, incubating 32 P-labeled phosphocholine at physiological temperature (37 °C) with broken cells from rat liver yielded labeled lecithin. This became their assay for the enzymes involved in lecithin synthesis. Determine the optimal pH for this enzyme and characterize the enzyme activity at different pH values. -O-P-O-CH2-CH₁₂-N(CH3)3 Phosphocholine H₂C-O-C-R HC-O-C-R2 + + + Cell fraction + ? HC-O-P-O-CH₁₂-CH₂-N(CH), O Phosphatidylcholine The researchers then centrifuged the broken cell preparation to separate the membranes from the soluble proteins. They tested three preparations: whole extract, membranes, and soluble proteins. Table 1 summarizes the results. Table 1: Cell fraction requirement for incorporation of 32p-phosphocholine into…

Researchers isolated an unknown substance, X, from rabbit muscle. They determined its structure from the following observations and experiments. (a) Qualitative analysis showed that X was composed entirely of C, H, and O. A weighed sample of X was completely oxidized and the H2O and CO2 produced were measured. This quantitative analysis revealed that X contained 40.00% C, 6.71% H, and 53.29% O by weight. (b) The molecular mass of X, as determined by mass spectrometry, was 90.00 atomic mass units (u). (c) Infrared spectroscopy showed that X contained one double bond. (d) X dissolved readily in water, and the solution demonstrated optical activity when tested in a polarimeter. (e) The aqueous solution of X is acidic. What is the empirical formula of X?

Answer 2

Question

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 6

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 7

Chapter 19, Problem 19.86CP

(a)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 15°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 8

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 9

(b)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if temperature is lowered from 37°C to 60°C for an enzyme.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 10

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 11

(c)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is lowered from 7.4 to 3

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 12

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 13

(d)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the pH is increased from 7.4 to 10.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 14

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 15

(e)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is doubled.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 16

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 17

(f)

Interpretation Introduction

Interpretation:

The effect in the rate of an enzyme-catalysed reaction should be determined if the amount of substrate is halved.

Concept Introduction:

Enzyme:

It is a protein or a molecule which can act as a catalyst for a biological reaction.

Does not affect the equilibrium point of the reaction.

Active site of the enzyme is the region where the reaction takes place.

Enzyme’s activity can be specific which means the activity is limited to a certain substrate and a certain type of reaction and it is referred to as specificity of the enzyme.

Factors affecting enzyme activity:

Substrate concentration

Enzyme concentration

Temperature

pH

Answer 18

Expert Solution & Answer

Answer 19

Expert Solution & Answer

Answer 20

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Answer 21

Ch. 19.1 - Prob. 19.1P Ch. 19.1 - The enzyme LDH converts lactate to pyruvate. In...Ch. 19.2 - The cofactors NAD+, Cu2+, Zn2+, coenzyme A, FAD,...Ch. 19.3 - Describe the reactions that you would expect these...Ch. 19.3 - Prob. 19.5P Ch. 19.3 - Prob. 19.6P Ch. 19.3 - Prob. 19.7P Ch. 19.3 - Prob. 19.8P Ch. 19.4 - Prob. 19.9KCP Ch. 19.5 - Prob. 19.10KCP

Solution Summary: The author explains that the rate of an enzyme-catalysed reaction should be determined if the temperature is lowered.

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Chapter 19 Solutions