Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 2.4, Problem 1CC
Which type of
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Which statement is true regarding the function of a catalyst in a chemical reaction? a) A catalyst increases the rate of a reaction. b) A catalyst provides an alternate mechanism for the reaction. c) A catalyst is not consumed by the reaction. d) All of the above are true.
enzymes are efficient catalysts because they can do which of the following? A) catalyze reactions that ottherwise would not occur. B) decrease the free energy of activation of reactions, C) decrease the standard free energy change o reactions , D) prevent the conversion of product to substrate, E) shift the equilibrium of reactions toward more complete inversion of product
An enzyme accelerates chemical reactions by all of the following, EXCEPT:
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b) Shifting equilibrium to favor the products
c) Adding temporary charges to substrates
d) Orienting chemical bonds for best reactivity
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Chapter 2 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 2.1 - Is a trace element an essenteal element? Explain.Ch. 2.1 - Prob. 2CCCh. 2.2 - A nitrogen atom has 7 protons and the most common...Ch. 2.2 - Prob. 2CCCh. 2.2 - Prob. 3CCCh. 2.3 - Why does the structure HCCH fail to make sense...Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.3 - If you were a phamaceutical researcher, why would...Ch. 2.4 - Which type of chemical reaction occurs faster at...Ch. 2.4 - Write an equation that uses the products of...
Ch. 2.5 - Prob. 1CCCh. 2.5 - How can the freezing of water crack boulders?Ch. 2.5 - Compared with a basic solution at pH 9, the same...Ch. 2.5 - What would be the effect on the properties of the...Ch. 2.5 - Prob. 5CCCh. 2 - The reactivity of an atom arises from A. the...Ch. 2 - Which of the following statements correctly...Ch. 2 - Many mammals control their body temperature by...Ch. 2 - We can be sure that a mole of table sugar and a...Ch. 2 - Measurements show that the pH of a particular lake...Ch. 2 - Prob. 6TYUCh. 2 - What coefficients must be placed in the following...Ch. 2 - A Slice of pizza has 500 kcal. If we could burn...Ch. 2 - Draw the hydration shells that from around a...Ch. 2 - What do climate change (see Concept 1.1) and ocean...Ch. 2 - SCIENTIFIC INQUIRY Female luna moths (Actias luna)...Ch. 2 - FOCUS ON EVOLUTION The percentage of naturally...Ch. 2 - FOCUS ON ORGANIZATION Several emergent properties...Ch. 2 - SYNTHESIZE YOUR KNOWLEDGE How do cats drink?...
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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
- Balance each of the following redox reactions occurring in acidic solution. Part A VO2 (aq) +ClO2 (aq) →VO2+(aq) + ClO2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. = ΑΣΦ ? A chemical reaction does not occur for this question. You have already submitted this answer. Enter a new answer. No credit lost. Try again.arrow_forwardLabel the following statements true or false: (c) A nonspontaneous reaction will proceed spontaneously in the reverse direction. (d) A spontaneous process can occur with a large decrease in entropy.arrow_forwardRefer to Model 10.1 and answer the question that follows What is free energy? What is its symbol?arrow_forward
- Which of the following statements about enzymes are true? Choose all that apply. Group of answer choices: a) Enzymes are nonspecific b) Enzymes speed up the rates of chemical reactions c) Enzymes require a lot of energy to synthesize d) Enzymes are not important in biological systems E) Reactants in enzyme-catalyzed reactions are called substrates F) Enzymes lower the activation energy of reaction G) Enzymes change ∆G of reactions H) One enzyme usually catalyzes many types of reactions I answered for letters , B, E, anf F, and got a 1.5 out of 2, so I am missing one. Thank You!arrow_forwardLabel the following statements true or false: (a) A reaction is said to be spontaneous when it can proceed in either the forward or reverse direction. (b) A spontaneous process always happens very quickly.arrow_forwardIn living cells, glucose, a six-carbon molecule, is converted into two three-carbon molecules. What type of chemical reaction is this?arrow_forward
- Define the following term (in relation to enzymes) Products?arrow_forwardEnzymes are biological catalysts that fulfill the following general reaction mechanism: E+S [ES] [EP] E + P Where E is enzyme, S is substrate, and P is product. Briefly describe how an enzyme is able to speed of the rate of a reaction:arrow_forwardAn exergonic reaction has which of the following properties? A) The △G is negative and the reaction is spontaneous. B) The △G is negative and the reaction is non-spontaneous. C) The △G is positive and the reaction is spontaneous.arrow_forward
- Define chemical equilibrium in the context of a chemical reaction. Why is this condition not favorable in cells? How do cells act biochemically to keep their reactions out of equilibrium?arrow_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 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_forward
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