Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 6, Problem 21CTQ
Energy transfers take place constantly in everyday activities. Think of two scenarios: cooking on a stove and driving. Explain how the second law of
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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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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
- Please choose the correct letter . and explain a bit why you choose it According to the second law of thermodynamics, a. energy will not be destroyed b. energy will not be created c. potential energy will always increase d. entropy will always increase e. both a and b are correct 2. In one of the reactions of the citric acid cycle, malate is oxidized to oxaloacetate. When this reaction is considered in isolation, a small amount of malate remains and is not oxidized. The best term to explain this is a. enthalpy b. entropy c. equilibrium d. free energy e. loss of energyarrow_forwardMatch each reaction with its standard free‑energy change.arrow_forwardWhy the endergonic reactions are thermodynamically unfavorable?Although endergonic reactions are thermodynamically unfavorable, yet many such reactions occur in the human body. Suppose the human body is an isolated system. Then how those reactions can be carried out in the human body?arrow_forward
- Which of the following statement about the enzyme thermodynamics is TRUE? a. Enzymes increase the activation barrier (∆G cat) of the products b. Enzymes decrease the activation barrier (∆G cat) of the products c. Enzymes decrease the free energy (∆G) of the products d. Enzymes decrease the free energy (∆G) of the reactants e. Enzymes increase the activation barrier (∆G cat) of the reactantsarrow_forwardWithin biological systems, there are always reactions that seem to occur when thermodynamically, they should not. An example is in the process of glycolysis (the conversion of glucose to pyruvate) which has ΔG°' = 2183.6 kJ/mol. How is glycolysis possible with such a large, positive ΔG°', when cells are governed by the laws of thermodynamics?arrow_forwardA certain reaction with an activation energy of 195 kJ/mol was run at 555 K and again at 575 K . What is the ratio of f at the higher temperature to f at the lower temperature.arrow_forward
- Thermal energy can increase even if the average kinetic energy is constantarrow_forwardUse the Michaelis-Menten equation to complete the enzyme kinetic data set, when Km is known to have a value of 1 mmol L-1arrow_forwardHow do we get energy from the food we eat? Is this an exergonic or endergonic process? Why? How do the first and second laws of thermodynamics play a role in this process? Why is it important to have energy transferred from the food you eat to ATP?arrow_forward
- What terms would best describe the above coupled reaction?A. it is non-spontaneous and endothermic (because the overall Go is positive)B. it is spontaneous and exothermic (because the overall Go is positive)C. it is non-spontaneous and exothermic (because the overall Go is positive)D. it is spontaneous and exothermic (because the overall Go is negative)E. it is non-spontaneous and endothermic (because the overall Go is negative)arrow_forwardBased on the laws of thermodynamics, energy is never created. Where does a cell get the energy to create ATP?arrow_forwardDiscuss the following statement: “enzymes and heat are alike in that both can speed up reactions that—although thermodynamically feasible—do not occur at an appreciable rate because they require a high activation energy. diseases that seem to benefit from the careful application of heat—in the form of hot chicken soup, for example—are therefore likely to be due to the insufficient function of an enzyme.”arrow_forward
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