Campbell Biology, Books a la Carte Edition (11th Edition)
11th Edition
ISBN: 9780134154121
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 6TYU
If an enzyme is added to a solution where its substrate and product are in equilibrium, what will occur?
- (A) Additional substrate will be formed.
- (B) The reaction will change from endergonic to exergonic.
- (C) The free energy of the system will change.
- (D) Nothing; the reaction will stay at equilibrium.
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Students have asked these similar questions
Which statement best summarizes the structure of an enzyme before and after it catalyzes a reaction?
a.) Its structure is the same.
b.) It gains a water molecule in the reaction.
c.) It loses a carbon atom in the reaction.
d.) It loses a hydrogen atom in the reaction,
a) Describe a specific chemical reaction that occurs within the human
body and state the name of the enzyme involved, the substrate(s)
of the reaction, and the specific product(s) formed.
b) Enzymes are not used up in chemical reactions. So, what exactly
does an enzyme do?
In your answer you should refer to activation energy.
c) Explain what is meant by the induced fit action of an enzyme,
referring to the role of the active site, and to the activation energy of
an enzyme-catalysed reaction.
The graph shows the reaction coordinate of an enzymatic reaction of substrate to product
a) which number correlates with the overall Keq of the reaction going from S to P?
b) which number correlates with the velocity of the reaction WITHOUT enzyme (ie. starting with only substrate)?
C) which number correlates with the overall velocity of the reaction WITH SATURATED enzyme
D) the initial velocity of this reaction increases by a specific factor in the presence of enzyme. The difference between which two numbers best correlates with this enhancement in velocity?
1) 3 and 1
2) 3and 2
3) 3 and 4
4) 3 and 5
5) 3 and 6
Chapter 8 Solutions
Campbell Biology, Books a la Carte Edition (11th Edition)
Ch. 8.1 - MAKE CONNECTIONS How does the second law of...Ch. 8.1 - Describe the forms of energy found in an apple as...Ch. 8.1 - WHAT IF? If you place a teaspoon of sugar in the...Ch. 8.2 - Cellular respiration uses glucose and oxygen,...Ch. 8.2 - VISUAL SKILLS How would the processes of...Ch. 8.2 - WHAT IF? Some nighttime partygoers wear glow-in-...Ch. 8.3 - How does ATP typically transfer energy from an...Ch. 8.3 - Prob. 2CCCh. 8.3 - MAKE CONNECTIONS Does Figure 8.11a show passive...Ch. 8.4 - Many spontaneous reactions occur very slowly. Why...
Ch. 8.4 - Prob. 2CCCh. 8.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 8.4 - Prob. 4CCCh. 8.5 - How do an activator and an inhibitor have...Ch. 8.5 - Prob. 2CCCh. 8 - Explain how the highly ordered structure of a cell...Ch. 8 - Explain the meaning of each component in the...Ch. 8 - Describe the ATP cycle: How is ATP used and...Ch. 8 - How do both activation energy barriers and enzymes...Ch. 8 - Prob. 8.5CRCh. 8 - Choose the pair of terms that correctly completes...Ch. 8 - Prob. 2TYUCh. 8 - Which of the following metabolic processes can...Ch. 8 - Prob. 4TYUCh. 8 - Some bacteria art metabolically active in hot...Ch. 8 - If an enzyme is added to a solution where its...Ch. 8 - Prob. 7TYUCh. 8 - EVOLUTION CONNECTION Some people argue that...Ch. 8 - Prob. 9TYUCh. 8 - WRITE ABOUT A THEME: ENERGY AND MATTER Life...Ch. 8 - Prob. 11TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- a) 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_forwardSome cool enzyme (CE) catalyzes the conversion of compound F to compound A. Which of the following must be true of CE? a) CE can facilitate conversion of compound A into compound F. b) CE binds more tightly to the substrate F than to the product A. c) CE decreases the energy of the transition state between compounds F and A. d) CE facilitates net conversion of F to A whenever F is present.arrow_forwardChoose the best answer The active site of an enzyme is the place where the following happens: a)The enzyme-substrate complex forms and the reaction occurs at the active site. b)The enzyme substrate complex forms here. c)The catalytic reaction happens here. d)Allosteric regulation of enzyme rate occurs here. e)All of these are correct.arrow_forward
- 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_forwardWhich of the following is true about enzymes. a) Enzymes are catalysts and they increase the rate of a reaction while they are not altered by the reaction. b) Enzymes are proteins that can be denatured by changes in pH or temperature. c) Enzymes are highly specific for the substrates they react with and catalyze only one or a limited set of possible reactions with those substrates. d) All of these are true about enzymes e) None of these are true about enzymesarrow_forward. If an enzyme in solution is saturated with substrate, the mosteffective way to obtain a faster yield of products is to(A) add more of the enzyme.(B) heat the solution to 90°C.(C) add more substrate.(D) add a noncompetitive inhibitor.arrow_forward
- Choose the best description of an enzyme: (a) It allows a chemical reaction to proceed extremely fast. (b) It increases the rate at which a chemical reaction approaches equilibrium relative to its uncatalyzed rate. (c) It makes a reaction thermodynamically favorable.arrow_forwardWhich of the following is NOT true of enzymes? a) They may interact chemically with their substrates b) They may catalyze a reaction in both forward and reverse directions. c) They may alter Keq for the reaction that they catalyze. d) They may decrease the entropy of their substrates.arrow_forwardWhich of the following is TRUE under the following conditions: the enzyme concentration is 2.5 nM, substrate concentration is 75 nM, the KM = 150 nM, and the Vmax = 20 nmol/min a) The rate of the reaction is 20 nmol/min! b) The rate of the reaction is between 10 nmol/min and 20 nmol/min. c) The rate of the reaction is 10 nmol/min. d) The rate of the reaction is below 10 nmol/min. e) The rate cannot be determined from the above information.arrow_forward
- Enzyme function is often assisted by non-protein helpers or adjuncts, for catalytic activity. A ___ is an organic non-protein adjunct, and a ___ is an inorganic adjunct that may be involved in this function. A) coenzyme; cofactor B) substrate; cofactor C) reactant; substrate D) substrate; reactantarrow_forwardWhich of the following statements helps best explain the reaction specificity of an enzyme? a) The shape and charge of the substrates are compatible with the active site of the enzyme. b) The free energy of the reactants is greater than the free energy of the products. c) The equilibrium constant of the reaction is much greater than 1. d) The concentration of the enzyme inside living cells is greater than the concentration of substrate.arrow_forwardWhich of the following statement regarding enzymes is false? a.) they speed up reaction rates b.) they work within narrow temperature and pH ranges c.) The active site binds the substarate d.) They are consumed in the reactions they catalyzearrow_forward
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