Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6, Problem 2TY
Reactions that release free energy are
- exergonic.
- spontaneous.
- endergonic.
- endothermic.
- both a and b.
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A spontaneous reaction doesn't have an activation energy. True or false?
True or False
A reaction that has ΔH>0 and ΔS>0 is:
exergonic if T < ΔH/ΔS.
always exergonic.
freely reversible.
always endergonic.
exergonic if T > ΔH/ΔS.
Which of the following describe(s) an exergonic reaction?
energy is released
non-spontaneous
energy is absorbed
spontaneous
Chapter 6 Solutions
Principles of Biology
Ch. 6.1 - Which do you think has more entropy, an NaCl...Ch. 6.1 - Prob. 1TYKCh. 6.1 - Prob. 2TYKCh. 6.2 - Prob. 1CCCh. 6.2 - Prob. 2CCCh. 6.2 - Prob. 3CCCh. 6.2 - Prob. 1TYKCh. 6.2 - An inhibitor raises the Km for an enzyme but has...Ch. 6.3 - Prob. 1CCCh. 6.3 - Prob. 1TYK
Ch. 6.3 - Prob. 2TYKCh. 6.3 - Prob. 3TYKCh. 6.4 - Prob. 1CCCh. 6.4 - Prob. 1BCCh. 6.4 - Prob. 1TYKCh. 6.4 - Prob. 2TYKCh. 6.4 - Prob. 2CCCh. 6.5 - Prob. 1TYKCh. 6.6 - During the citric acid cycle, what happens to...Ch. 6.7 - Prob. 1CCCh. 6.7 - Prob. 2CCCh. 6.7 - Prob. 3CCCh. 6.7 - Prob. 1TYKCh. 6.7 - Prob. 2TYKCh. 6.7 - Prob. 3TYKCh. 6.8 - Prob. 1CCCh. 6.8 - Prob. 1TYKCh. 6 - According to the second law of thermodynamics....Ch. 6 - Reactions that release free energy are exergonic....Ch. 6 - Prob. 3TYCh. 6 - Prob. 4TYCh. 6 - Prob. 5TYCh. 6 - Prob. 6TYCh. 6 - Prob. 7TYCh. 6 - Prob. 8TYCh. 6 - Prob. 9TYCh. 6 - Prob. 10TYCh. 6 - Describe the mechanism and purpose of feedback...Ch. 6 - What causes the rotation of the y subunit of ATP...Ch. 6 - PRINCIPLES A principle of biology is that living...Ch. 6 - Discuss how life can maintain its order in spite...Ch. 6 - Prob. 2CBQ
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- A chemical reaction will release energy if it is catalyzed. exergonic. excited. b. ÚJ Ú d endergonic. complete. (U C Ob darrow_forwardPart A Chemical reactions that release energy are called exergonic. energetic. endergonic. Ometabolic. enzymatic. Submit Provide Feedback Request Answerarrow_forwardAn exergonic reaction requires more energy than it releases. creates an explosion. does not require energy to start. releases more energy than it requires. absorbs heat from the environment. a b d Carrow_forward
- Enzymes are biological catalysts that enhance the rate of a reaction by: stabilizing the transition state. decreasing the amount of free energy released. increasing the activation energy. increasing the amount of free energy released. O increasing the energy in the transition state.arrow_forwardIn which of the following conditions is the Gibbs free energy negative? O reaction is at equilibrium process is spontaneous O reaction is exothermic O process is not spontaneousarrow_forwardWhat is a key characteristic of exergonic reactions? They consume energy. They require glucose fusion. Their products have more energy than the reactants. They release energy that can be used by cells. They involve the formation of bonds.arrow_forward
- Reactions that release free energy area. exergonic.b. spontaneous.c. endergonic.d. endothermic.e. both a and b.arrow_forwardWhich of the following are effects of catalyst that cause an increase in the rate of reaction? (This is a multi-select question. Select all that apply). a decrease in DG‡. an increase in DG. an increase in temperature. an increase in the energy of the molecules/ions of reactant. an increase in the number of molecules/ions of reactant with enough energy to overcome the activation energy barrier.arrow_forwardEnzymes are specific, they match with a specific and particular reactant during the reactions, the enzyme changes shape and cannot be used again true or falsearrow_forward
- A reaction that requires the addition of energy is called why an reaction that releases energy is called Exergonic, endothermic Endergonic, exergonic Endergonic, endothermic Exergonic, endergonicarrow_forwardWhich is not true regarding the 1st Law of Thermodynamics? Energy cannot be destroyed. Energy cannot be created Energy can change form. All are truearrow_forwardThe reason for the increase in the rate of an enzyme reaction when the temperature is increased isa. decrease in kinetic energy of reactantb. increase in kinetic energy of reactantc. increase in activation energy of reactiond. decrease in activation energy of reactionarrow_forward
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