Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 6, Problem 4RQ
Summary Introduction
To explain:
The activation energy and affect of catalysts on it and how catalysts affect the
Introduction:
Enzymes are “macromolecular biological catalyst” that helps in the acceleration of chemical reaction. All living cells consist of a huge number of enzymes which promote the
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What ways do enzymatic catalysts increase the rates of reactions?
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Chapter 6 Solutions
Biology
Ch. 6.1 - Prob. 1TCCh. 6.1 - Energy Unleashed Much like a cars engine, the...Ch. 6.1 - define energy and work?Ch. 6.1 - define potential energy and kinetic energy and...Ch. 6.1 - State and explain the first and second laws of...Ch. 6.2 - Is glucose breakdown endergonic or exergonic? What...Ch. 6.2 - Prob. 1CSCCh. 6.2 - describe how energy is captured and released by...Ch. 6.2 - explain exergonic and endergonic reactions and...Ch. 6.2 - explain activation energy?
Ch. 6.3 - Prob. 1TCCh. 6.3 - In hope of reducing plastic waste, some towns and...Ch. 6.3 - name and describe two important energy-carrier...Ch. 6.3 - explain coupled reactions?Ch. 6.4 - Can an enzyme catalyst make an endergonic reaction...Ch. 6.4 - You may have seen the almost magical glow of...Ch. 6.4 - explain how catalysts reduce activation energy?Ch. 6.4 - explain how enzymes function as biological...Ch. 6.5 - Health Watch Lack of an Enzyme Leads to Lactose...Ch. 6.5 - describe how cells regulate the rate at which...Ch. 6.5 - explain how poisons, drugs, and environmental...Ch. 6.5 - Prob. 2TCCh. 6 - Which of the following is True? a. Enzymes...Ch. 6 - Prob. 2MCCh. 6 - Prob. 3MCCh. 6 - Prob. 4MCCh. 6 - Prob. 5MCCh. 6 - Prob. 1FIBCh. 6 - Prob. 2FIBCh. 6 - Prob. 3FIBCh. 6 - Prob. 4FIBCh. 6 - Prob. 5FIBCh. 6 - Prob. 6FIBCh. 6 - Prob. 1RQCh. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - Prob. 6RQCh. 6 - Prob. 7RQCh. 6 - While vacuuming, you show off by telling a friend...Ch. 6 - Refute the following: According to evolutionary...Ch. 6 - Can a bear use all the energy contained in the...
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- The figure below represents a reaction in the presence and absence of an enzyme catalyst. What can you conclude about this reaction? energy activation energy activation energy 1 uncatalysed reaction catalysed reaction A) It is endergonic in the absence of the enzyme. B) It will proceed more quickly in the presence of the enzyme. C) Once the reaction has reached equilibrium, there will be more product in the enzyme-catalyzed reaction. D) It has a negative AG. OE) Both B and D are truearrow_forwarda) What is the Steady State assumption; how does steady state differ from equilibrium? b) Transition state; what are two ways that enzymes can decrease the transition state energy?arrow_forwardWhat is the net change in energy in the reaction shown (decrease, increase, or little change in energy) ? Is it spontaneous?arrow_forward
- Can adding a catalyst make a non-spontaneous reaction spontaneous? If yes, how (what does the catalyst do that makes the reaction spontaneous?), and if no, why not?arrow_forwardWhich line represents the activation energy of the non-catalyzed reaction? Free energy O L A) a B) b C) c D) d E) e a. b. Progress of the reaction- C. d. M + N e.arrow_forwardIn terms of potential and kinetic energy where does the energy comes from that allows an enzyme to lower the activation energy of a reaction? Is thermal energy involved?arrow_forward
- Assume that you have a solution of 0.1 M glucose 6-phosphate. To this solution, you add the enzyme phosphoglucomutase, which catalyzes the reaction: Glucose 6-phosphate glucose 1-phosphate The standard free-energy change (AGº') for the reaction is +7.5 kJ mol¯¹ (+1.8 kcal mol−¹). Phosphoglucomutase What is the final concentration of glucose 6-phosphate (G6P)? [G6P] = What is the final concentration of glucose 1-phosphate (G1P)? [G1P] = M Marrow_forwardWhich of the following statements is TRUE of enzyme catalysts? for heads up question 2 and 3 are false 1) To be effective, they must be present at the same concentration as their substrate. 2) They can increase the equilibrium constant for a given reaction by a thousand-fold or more. 3) They lower the free energy for conversion of substrate to product. 4) Their catalytic activity is dependent on pH. 5) They are generally equally active on D and L isomers of a given substrate.arrow_forwardHow does the rate of the forward reaction compare to the rate of the reverse reaction for an endergonic reaction? For an exergonic reaction? Explain.arrow_forward
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