[One - Biomolecules]INSTRUCTIONS— Answer the following multiple-choice questions and EXPLAIN in 3-5 sentences why you chose that answer.— Answer properly 1. If the Km of an enzyme for substrate A is 1 x 106 and for substrate B, is 4 x108, it meansa. enzyme has more affinity for substrate A then substrate Bb. enzyme has more affinity for substrate B then substrate Ac. enzyme has equal affinity for substrate A and substrate Bd. enzyme is non-specific

The Michaelis constant, Km, varies considerably from one enzyme to another, and also with a…

1. If the Km of an enzyme for substrate A is 1 x 106 and for substrate B, is 4 x 10°, it means a. enzyme has more affinity for substrate A then substrate B b. enzyme has more affinity for substrate B then substrate A c. enzyme has equal affinity for substrate A and substrate B d. enzyme is non-specific

1. If the Km of an enzyme for substrate A is 1 x 106 and for substrate B, is 4 x 10°, it means a. enzyme has more affinity for substrate A then substrate B b. enzyme has more affinity for substrate B then substrate A c. enzyme has equal affinity for substrate A and substrate B d. enzyme is non-specific

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter6: Energy, Enzymes, And Biological Reactions

Section: Chapter Questions

Problem 6TYK: Which of the following methods is not used by enzymes to increase the rate of reactions? a. covalent...

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Similar questions

In the following graph: A represents the product. B represents the energy of activation when enzymes are present. C is the free energy difference between A and D. C is the energy of activation without enzymes. E is the difference in free energy between the reactant and the products.
______ are always changed by participating in a reaction. a. Enzymes b. Cofactors c. Reactants d. Coenzymes
Which of the following methods is not used by enzymes to increase the rate of reactions? a. covalent bonding with the substrate at their active site b. bringing reacting molecules into close prosimity c. orienting reactants into positions to favor transition states d. changing charges on reactants to hasten their reactivity e. increasing fit of enzyme and substrate that reduces the energy of activation
I need help with this diagram because I wrote the wrong Mark for Gp, Gr And I have to represent *triangle* G, Ea without the enzyme and Ea with the enzyme. And when I put that down it looked wrong so I need help with labeling this diagram so that I can practice this more on the future
2. Describe the following:a. Functions of enzymesb. Benefits of enzymes on moleculesc. Environmental effects of enzymesd. Condition of enzymes after utilize
1. When substrate concentration [S] << Km, the rate of an enzymatic reaction is increased by A. increasing kcat/Km B. increasing total enzyme concentration C. increasing [S] D. A and B E. A, B and C
Which of the following statements about Competitive and noncompetitive inhibition is false? a. A noncompetitive inhibitor does not change the Km of the enzyme. b. A competitive inhibitor does not change the Vmax of the enzyme c. The noncompetitive inhibitor can bind either free enzyme or the enzyme–substrate complex. d.A competitive inhibitor decreases the apparent Km for a given substrate.
Which of the following best describes the relationship between an enzyme and a substrate a. stable b. causes permanent alteration to the enzyme c. results from non-complimentary bonding d. are complimentary
The enzyme activity is: A. to The number of grams of substrate that react to form product, per mole of enzyme, per unit of time. b. The number of moles of substrate that react to form product, per gram of enzyme, per unit time. c. The number of moles of substrate that react to form product, per mole of enzyme, per unit time d. The number of grams of substrate that react to form product, per gram of enzyme, per unit of time.
Which of the following factors can denature an enzyme? 1. Competetive inhibitors 2.Extreme pH 3.Presence of heavy metals 4.Extremely high temperatures A. All of the above B.None of the above C. 4 only D. All factors except 1
The active site of an enzymea. is identical in structure for all enzymes.b. is the part of the enzyme where its substrate can fit.c. can be used only once.d. is not affected by environmental factors, such as pH and temperature.
Which of the following is incorrect regarding the active site of anenzyme?a. is unique to that enzymeb. is the part of the enzyme where its substrate can fitc. can be used over and over againd. is not affected by environmental factors, such as pH andtemperature