Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 2, Problem 28TYK
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You have a reaction that takes 8 hours to reach completion at 20 degrees celcius. What is the likely result of changing the temperature to 30 degrees celcius?
a. the reaction should take less times
b. reaction time would be unaffected
c. the reaction should take more time
Which would be the correct answer to this question?
Which of the following increases the rate of a reaction? a. cold temperatures b. solid reactants c. increased reactant concentration d. absence of a catalyst
Which two of the following apply to the products of an exergonic reaction?
A. Have less energy than the reactants
B. Are less ordered than the reactants
C. Are more ordered than the reactants
D. Have more energy than the reactants
Chapter 2 Solutions
Study Guide for Campbell Biology
Ch. 2 - Fill in the names beside the symbols of the...Ch. 2 - The difference between the mass number and the...Ch. 2 - To move to a shell farther from the nucleus, an...Ch. 2 - Prob. 4IQCh. 2 - Fill in the blanks in the following concept map to...Ch. 2 - Prob. 6IQCh. 2 - Prob. 7IQCh. 2 - Prob. 8IQCh. 2 - Draw the structural formula of a water molecule,...Ch. 2 - Look at your sketch of a water molecule in...
Ch. 2 - Prob. 11IQCh. 2 - Prob. 1SYKCh. 2 - Atoms can have various numbers associated with...Ch. 2 - Prob. 3SYKCh. 2 - Prob. 1TYKCh. 2 - Prob. 2TYKCh. 2 - Prob. 3TYKCh. 2 - Prob. 4TYKCh. 2 - Radioactive isotopes can be used in studies of...Ch. 2 - Prob. 6TYKCh. 2 - Prob. 7TYKCh. 2 - Prob. 8TYKCh. 2 - Prob. 9TYKCh. 2 - Prob. 10TYKCh. 2 - Prob. 11TYKCh. 2 - Prob. 12TYKCh. 2 - Prob. 13TYKCh. 2 - Prob. 14TYKCh. 2 - Prob. 15TYKCh. 2 - A covalent bond between two atoms is likely to be...Ch. 2 - Prob. 17TYKCh. 2 - Prob. 18TYKCh. 2 - For questions 19-21, choose from the following...Ch. 2 - Prob. 20TYKCh. 2 - Prob. 21TYKCh. 2 - Prob. 22TYKCh. 2 - Prob. 23TYKCh. 2 - Prob. 24TYKCh. 2 - Prob. 25TYKCh. 2 - What is the difference between a molecule and a...Ch. 2 - Prob. 27TYKCh. 2 - Prob. 28TYK
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- Substance A is converted to substance B in a metabolic reaction. Which statement best describes the role of enzyme during this reaction? A. It dissolves substance A in the reaction medium. B. It speeds up the reaction without it being consumed in the process. C. It provides energy to the reaction system D. It adjusts the pH of the reaction medium.arrow_forwardMatch each reaction description to the type of enzyme that catalyzes the reaction. 1. Oxidation and reduction of compounds 2. Transfers a functional group from one compound to another compound 3. Utilizes water to break bonds within a compound 4. Addition/removal of a group of atoms and bonds within a compound 5. Forms a bond between two compounds A. Ligase B. Transferase C. Hydrolase D. Oxidoreductase E. Isomerase F. Lyasearrow_forwardChoose in the options what do enzymes do for the activation of energy of the reaction -Ea, given the theory of collision? a. enzymes will bind the reactants b. enzyme will raise temperature to incease the level of energy level. c. enzyme will provide an alternative reaction pathwayarrow_forward
- Would you expect the products of an endergonic reaction to be more stable than the reactants? a. yes because the energy of activation is negative in these cases. b. no because the products have higher potential energy which result in less stable molecules. c. no because the energy of activation is always lower in an endergonic reaction, which results in a less stable product. d. yes because the products have higher free energy and therefore require more energy to break bonds.arrow_forwardFind the products of the reaction. Tell whether the reaction is fast or slow.arrow_forwardWhich statements concerning free energy change are true?a. Free energy change is a measure of the rate of a reaction.b. Free energy change is a measure of the maximum amountof work available from a reaction.c. Free energy change is a constant for a reaction under anyconditions.d. Free energy change is related to the equilibrium constantfor a specific reaction.e. Free energy change is equal to zero at equilibrium.arrow_forward
- Does a catalyst that increases the rate of a reaction also increase the rate of the reverse reaction? Why or why not? Explain your answer and include a diagram.arrow_forwardWhich of the followingdescribe superior properties of enzymes (biological catalysts) over traditional chemical catalysts? a. They are mostly and generally operative under mild temperature, pressure, and pH conditions b. They are regulated only by substrate concentration c. They do not effect the reaction equilibrium, but lower the reaction's activation energy d. They are recycled at the end of the reaction Choose all that applyarrow_forwardMicroorganisms in the soil release enzymes to digest dead leaves (a) explain how enzymes catalyse chemical reactionsarrow_forward
- Distinguish a term for a chemical reaction that has a positive ΔG. * A. Endergonic B. Exergonic C. Catabolism D. Metabolismarrow_forwardWhich of the following accurately describes how an enzyme functions? a. reduces the energy content of the products b. allows for the exothermic reaction of materials that are usually endothermic c. changes the reaction mechanism effectively reducing the activation energy d. shifts the equilibrium for the reactionarrow_forwardDefine the following terms:a. allyl groupb. epoxidec. SAM d. PAPSe. phase I reactionarrow_forward
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