Concept explainers
(a)
Interpretation:
The optimum pH for enzyme 'A' needs to be determined, using the given pH versus enzyme activity graph for enzyme A and B.
Concept Introduction:
Enzymes are defined as a biological catalyst for various reactions in the living organisms. Enzymes are like all catalyst as it also increases the rate reaction but they themselves do not changed permanently during the process. Enzyme does not alter the position of equilibrium and the relative energy of both the reactant and the products. Reaction when catalyzed by an enzyme increases the

Answer to Problem 21.83P
Optimum pH for enzyme 'A' is
Explanation of Solution
The activity of enzyme is affected by both the temperature and pH. By increasing temperature, rate of reaction also increases until its maximum activity occurs that is at
Optimum pH is the pH at which the activity of an enzyme is maximum. So, from the given graph, the activity of enzyme A is maximum at pH 6. Hence the optimum pH of enzyme A is 6.
(b)
Interpretation:
The optimum pH for enzyme 'B' needs to be determined, using the given pH versus enzyme activity graph for enzyme A and B.
Concept Introduction:
Enzymes are defined as a biological catalyst for various reactions in the living organisms. Enzymes are like all catalyst as it also increases the rate reaction but they themselves do not changed permanently during the process. Enzyme does not alter the position of equilibrium and the relative energy of both the reactant and the products. Reaction when catalyzed by an enzyme increases the rate of reaction by

Answer to Problem 21.83P
Optimum pH for enzyme 'B' is
Explanation of Solution
The activity of enzyme is affected by both the temperature and pH. By increasing temperature, rate of reaction also increases until its maximum activity occurs that is at
Optimum pH is the pH at which the activity of an enzyme is maximum. So, from the given graph, the activity of enzyme B is maximum at pH 10.
Hence, the optimum pH of enzyme B is 10.
(c)
Interpretation:
The enzyme having the higher activity when pH is
Concept Introduction:
Enzymes are defined as a biological catalyst for various reactions in the living organisms. Enzymes are like all catalyst as it also increases the rate reaction but they themselves do not changed permanently during the process. Enzyme does not alter the position of equilibrium and the relative energy of both the reactant and the products. Reaction when catalyzed by an enzyme increases the rate of reaction by

Answer to Problem 21.83P
Enzyme 'A' will have higher pH at
Explanation of Solution
The activity of enzyme is affected by both the temperature and pH. Optimum pH is the pH value at which the enzyme is most active. The rate of enzyme catalyzed reaction is maximum at optimum pH
The graph shown below clearly explains the activity of an enzyme with change in pH values:
From the given graph, it can be seen that the activity of enzyme B starts from pH 6 onwards and activity of enzyme A starts from pH 2 onwards. So, before pH 2 enzyme A is inactive and before pH 6 enzyme B is inactive. Therefore, at pH 4 the activity of enzyme A is higher than that of enzyme B.
(d)
Interpretation:
The enzyme having the higher activity at pH
Concept Introduction:
Enzymes are defined as a biological catalyst for various reactions in the living organisms. Enzymes are like all catalyst as it also increases the rate reaction but they themselves do not changed permanently during the process. Enzyme does not alter the position of equilibrium and the relative energy of both the reactant and the products. Reaction when catalyzed by an enzyme increases the rate of reaction by

Answer to Problem 21.83P
Enzyme 'B' will have the higher activity at pH
Explanation of Solution
The activity of enzyme is affected by both the temperature and pH. Optimum pH is the pH value at which the enzyme is most active. The rate of enzyme catalyzed reaction is maximum at optimum pH
The graph shown below clearly explains the activity of an enzyme with change in pH values:
From the given graph, it can be seen that the activity of enzyme B starts from pH 6 onwards and becomes maximum at pH 10and then activity of enzyme starts decreasing. And activity of enzyme A starts from pH 2 onwards and becomes maximum at pH 6 and then starts decreasing.
At pH 9, activity of enzyme A is decreasing and that of enzyme B is increasing. Hence, at pH 9 activity of enzyme B is higher than that of enzyme A.
Want to see more full solutions like this?
Chapter 21 Solutions
ALEKS 360 ACCESS CARD F/GEN. ORG.CHEM
- What alkene or alkyne yields the following products after oxidative cleavage with ozone? Click the "draw structure" button to launch the drawing utility. and two equivalents of CH2=O draw structure ...arrow_forwardH-Br Energy 1) Draw the step-by-step mechanism by which 3-methylbut-1-ene is converted into 2-bromo-2-methylbutane. 2) Sketch a reaction coordinate diagram that shows how the internal energy (Y- axis) of the reacting species change from reactants to intermediate(s) to product. Brarrow_forward2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). C5H10 H-CI CH2Cl2 CIarrow_forward
- Draw the products of the stronger acid protonating the other reactant. དའི་སྐད”“ H3C OH H3C CH CH3 KEq Product acid Product basearrow_forwardDraw the products of the stronger acid protonating the other reactant. H3C NH2 NH2 KEq H3C-CH₂ 1. Product acid Product basearrow_forwardWhat alkene or alkyne yields the following products after oxidative cleavage with ozone? Click the "draw structure" button to launch the drawing utility. draw structure ... andarrow_forward
- Draw the products of the stronger acid protonating the other reactant. H3C-C=C-4 NH2 KEq CH H3C `CH3 Product acid Product basearrow_forward2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). C5H10 Br H-Br CH2Cl2 + enant.arrow_forwardDraw the products of the stronger acid protonating the other reactant. KEq H₂C-O-H H3C OH Product acid Product basearrow_forward
- Draw the products of the stronger acid protonating the other reactant. OH KEq CH H3C H3C `CH3 Product acid Product basearrow_forward2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). Ph H-I CH2Cl2arrow_forward3 attempts left Check my work Draw the products formed in the following oxidative cleavage. [1] 03 [2] H₂O draw structure ... lower mass product draw structure ... higher mass productarrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningWorld of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage LearningWorld of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College Div
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning





