A&P INTEGRATED CONNECT ACCESS CARD
2nd Edition
ISBN: 9781259987588
Author: McKinley
Publisher: MCG
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Chapter 3, Problem 2DYKB
Summary Introduction
Introduction:
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Oxidative phosphorylation is the process by which the free energy obtained from the oxidation of metabolic fuels is used to generate ATP.
(a).Which enzyme reaction controls oxidative phosphorylation?
(b).Describe the way this enzyme controls oxidative phosphorylation
Which of the following is true for all exergonic reactions?
Group of answer choices
A. The reactions are nonspontaneous
B. A net input of energy from the surroundings is required for the reactions to proceed
C. Some reactants will be converted to products
D. The products have more total energy than the reactants
E. The reaction proceeds with a net release of free energy
Which of the following is not true about enzymes: a. They increase ΔG of reactions. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.
Chapter 3 Solutions
A&P INTEGRATED CONNECT ACCESS CARD
Ch. 3.1 - Both the movement of Na+ down its concentration...Ch. 3.1 - Muscle contraction is an example of what form of...Ch. 3.1 - Prob. 3WDYLCh. 3.2 - Prob. 4WDYLCh. 3.2 - For a biochemical reaction that involves simple...Ch. 3.2 - What molecule is formed from exergonic reactions...Ch. 3.2 - Explain what occurs when the equilibrium is...Ch. 3.2 - Explain the effect a fever would have on chemical...Ch. 3.2 - What is the relationship of enzymes and activation...Ch. 3.3 - What is the active site of an enzyme and how does...
Ch. 3.3 - What is the mechanism of enzyme action, including...Ch. 3.3 - Explain how enzymes are generally named.Ch. 3.3 - How do changes in substrate concentration,...Ch. 3.3 - How are enzymes regulated through competitive and...Ch. 3.3 - Prob. 15WDYLCh. 3.3 - Prob. 16WDYLCh. 3.4 - Prob. 17WDYLCh. 3.4 - Prob. 18WDYLCh. 3.4 - Prob. 19WDYLCh. 3.4 - Prob. 20WDYLCh. 3.4 - Prob. 21WDYLCh. 3.4 - Prob. 22WDYLCh. 3.4 - Prob. 23WDYLCh. 3.4 - Prob. 24WDYLCh. 3.4 - Prob. 25WDYLCh. 3.4 - Prob. 26WDYLCh. 3.4 - Prob. 27WDYLCh. 3.4 - Prob. 28WDYLCh. 3 - Energy in ATP is used to power skeletal muscle...Ch. 3 - Prob. 2DYKBCh. 3 - Prob. 3DYKBCh. 3 - ATP inhibits phosphofructokinase by binding to an...Ch. 3 - All of the following are accurate about enzymes...Ch. 3 - Prob. 6DYKBCh. 3 - Prob. 7DYKBCh. 3 - All stages of cellular respiration are decreased...Ch. 3 - Prob. 9DYKBCh. 3 - Prob. 10DYKBCh. 3 - Prob. 11DYKBCh. 3 - Describe the different ways of classifying...Ch. 3 - Prob. 13DYKBCh. 3 - Describe the structure and mechanism of enzymes.Ch. 3 - Prob. 15DYKBCh. 3 - Prob. 16DYKBCh. 3 - In general terms, explain the fate of pyruvate if...Ch. 3 - Describe how oxygen becomes part of water during...Ch. 3 - Identify the source of carbon in carbon dioxide.Ch. 3 - Prob. 20DYKBCh. 3 - Prob. 1CALCh. 3 - Prob. 2CALCh. 3 - Another challenge to a patient with impaired...Ch. 3 - Prob. 4CALCh. 3 - Prob. 5CALCh. 3 - Prob. 1CSLCh. 3 - Prob. 2CSLCh. 3 - What occurs to the amount of product formed in a...
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- Which of the following is not true about enzymes? a. They are consumed by the reactions they catalyze. b. They are usually made of amino acids. c. They lower the activation energy of chemical reactions. d. Each one is specific to the particular substrate(s) to which it binds.arrow_forwardChoose 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_forwardYou 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?arrow_forward
- Which of these statements about enzymes is true? a,Most proteins are enzymes. b.Most enzymes are proteins. c.Enzymes are changed by the reactions they catalyze. d.The active sites of enzymes have little specificity for substrates.arrow_forwardFatty Acids are good fuels and release energy in the form of heat. This is primarily because: a) Hydrocarbons are highly unstable before combustion b) The reactants of combustion are energetically more stable than the reactants. c) The products of combustion are energetically more stable than the reactants. d) Oxygen molecule is highly stable before combustion.arrow_forwardCells carry out anabolic as well as catabolic pathways, with some enzymes functioning in both types of pathways. (a) Explain why these enzymes catalyze near-equilibrium reactions. (b) Explain why opposing anabolic and catabolic pathways must have different enzymes for at least one of the steps.arrow_forward
- What is the reason why the transition state of a catalyzed reaction is lower has lower energy compared to an uncatalyzed reaction? A. because enzymes only work at low temperatures B. because of favorable interactions with the substrate C. because of enthalpic interactions between the enzyme and the transition state D. A and Barrow_forwardenzymes 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 productarrow_forwardWhich of the following is not true about enzymes?a. They are consumed by the reactions they catalyze.b. They are usually made of amino acids.c. They lower the activation energy of chemical reactions.d. Each one is specific to the particular substrate(s) to which it binds.arrow_forward
- The oxidation of NADH is favorable because it involves: a) Separation of like charges. b) Conversion of non-polar to polar bonds. c) Increased resonance. d) Conversion of liquid to gas.arrow_forwardWhich About Metabolism Is True A) Spontaneous Reactions Require Enzymes B)Non-Spontaneous Reactions Will Never Occur C)Endergonic Reactions Are Spontaneuos D)Catabollic Reactions Conume Energy To Build A Moleculearrow_forwardA. Will decreasing the amount of energy needed to make an exergonic reaction occur cause the reaction to be more exergonic? Why or why not? B. Will such an energetic alteration change the rate of the reaction? Why or why notarrow_forward
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