BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
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Chapter 6, Problem 7RQ
Which of the following comparisons or contrasts between endergonic and exergonic reactions is false?
- Endergonic reactions have a positive ?G and exergonic reactions have a negative ?G
- Endergonic reactions consume energy and exergonic reactions release energy
- Both endergonic and exergonic reactions require a small amount of energy to overcome an activation barrier
- Endergonic reactions take place slowly and exergonic reactions take place quickly.
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In which of the following conditions is the Gibbs free energy negative?
O reaction is at equilibrium
process is spontaneous
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Which of the following describe(s) an exergonic reaction?
energy is released
non-spontaneous
energy is absorbed
spontaneous
Which of the following is true of exergonic reactions?
Energy of the products is lower than the energy of the reactants
These reactions generally do not occur spontaneously
Photosynthesis is an example
Is a reaction that requires the net input of energy
Energy of the products is higher than the energy of the reactants
Chapter 6 Solutions
BIOLOGY 2E
Ch. 6 - Figure 6.8 Look at each of the processes shown,...Ch. 6 - Figure 6.10 If no activation energy were required...Ch. 6 - Figure 6.14 The hydrolysis of one ATP molecule...Ch. 6 - Energy is stored long-term in the bonds of and...Ch. 6 - DNA replication involves unwinding two strands of...Ch. 6 - Consider a pendulum swinging. Which type(s) of...Ch. 6 - Which of the following comparisons or contrasts...Ch. 6 - Which of the following is the best way to judge...Ch. 6 - Which of the following is not an example of an...Ch. 6 - In each of the three systems, determine the state...
Ch. 6 - The energy released by the hydrolysis of ATP is...Ch. 6 - Which of the following molecules is likely to have...Ch. 6 - Which of the following is not true about enzymes...Ch. 6 - An allosteric inhibitor does which of the...Ch. 6 - Which of the following analogies best describes...Ch. 6 - Does physical exercise involve anabolic and/or...Ch. 6 - Name two different cellular functions that require...Ch. 6 - Explain in your own words the difference between a...Ch. 6 - Describe the position of the transition state on a...Ch. 6 - Imagine an elaborate ant farm with tunnels and...Ch. 6 - Energy transfers take place constantly in everyday...Ch. 6 - Do you think that the Ea for ATP hydrolysis is...Ch. 6 - With regard to enzymes, why are vitamins necessary...Ch. 6 - Explain in your own words how enzyme feedback...
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Similar questions
- What 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_forwardTERMS BOX Endothermic Exothermic Catabolic Terms that describe this reaction Spontaneous Terms that describe this reaction Anabolic AG = positive Non-Spontaneous For each reaction below USE FIVE TERMS from the box above that describe the reaction AG = negative Produces Energy Uses Energy 6 CO₂ + H₂O → C6H12O6 + O₂arrow_forwardIn general, catabolic reactions are oxidative and release energy are reductive and require energy are oxidative and require energy are reductive and release energyarrow_forward
- Which 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_forwardEndergonic reactions 000 can drive exergonic reactions have a positive AG are spontaneous have a negative AGarrow_forwardWhich of the following describe what enzymes such as Chymotrysin accomplish to allow products to form and be released by the enzyme active site? Group of answer choices catalyze chemical eactions that are thermodynamically unfavorable to occur establish a more stable transition state at a higher energy level to perform a catalysis reaction redce the chemical energy held within a chemical bond modify chemical structure of a substrate to "fit" within the active sitearrow_forward
- Which of the summary statements below describes the results of the following reaction? C6H1206 + 6 O2 → 6 CO2 + 6 H2O + Energy O C6H1206 is oxidized and O2 is reduced. O 02 is oxidized and H20 is reduced. O CO2 is reduced and 02 is oxidized. O 02 is reduced and CO2 is oxidized.arrow_forwardWhich factor does NOT represent a barrier that prevents a reaction from taking place? substrate distortion the solvation shell of hydrogen-bonded water entropy of the molecules in solution standard free-energy change the need for proper alignment of catalytic functional groups on the enzymearrow_forward2 ATP + HCO₂ + NH₂ H₂N O O O 2 ADP, PCPS-1 H₂N OPO, 2 sessis-+- * HỘ NHỎ NH₂ HNGANH, NH₂ H₂O P₁ 1 OTC coo H₂NHCOO NH CHI CH₂ Coo CH₂ CH₂ HỘ NHỎ coo 4 Which of the reactions is requires energy input? (Answer by choosing the enzyme used)? OTC ASS ASL ARG1 NONE of these require energy to do their reaction ARG1 ΜΗ CH₂ НО CH₂ CH₂ HỘ NHỎ coo - 6 O-NH₂ NH CH₂ CH₂ CH₂ HỘ NH COO 3 ASS *- 85.8 • ATP PP L-Asp AMP 1 L-ornithine 2 carbamoyl phosphate 3 L-citrulline 4 argininosuccinate 5 fumarato 6 L-arginine 7 urea L-Asp L-aspartate CPS-1 carbamoyl phosphate synthetase I OTC Ornithine transcarbamoylase ASS argininosuccinate synthetase ASL argininosuccinate lyase ARG1 arginase 1 OH OH NH₂arrow_forward
- Which of the following is not an assumption made when evaluating Michaelis Menton kinetics? the reaction is happening at body temperature the substrate is in great excess of the catalyst measurement of initial velocity of the reaction reaction conditions are occurring under steady statearrow_forwardWhich statement is true regarding an endergonic reaction/pathway? Group of answer choices They have a positive delta G. They require outside energy such as solar energy (e.g., photosynthesis). They are involved in cellular work (e.g., biosynthesis). All previous answers None of these answersarrow_forwardIn the reaction, C6H12O6 + 6 O₂ -> 6 CO2 + 6 H₂O which side should energy be placed on? O The left side because this is an exergonic reaction O The left side because this is an endergonic reaction O The right side because this is an endergonic reaction O The right side because this is an exergonic reaction O Neither side because the reaction is in equilibriumarrow_forward
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