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The following questions are based on the reaction A + B-C + D shown in Figure 8.

ID: 201432 • Letter: T

Question

The following questions are based on the reaction A + B-C + D shown in Figure 8.1 A+B d. C+D Progress of the Reaction ure 8.1 lyzed reverse 32) 32) Which of the following represents the activation energy needed for the enzyme-cata reaction, C+D -A+ B, in Figure 8.1? A) a B) b C) c D) d 33) 33) Which of the following is true of metabolism in its entirety in all organisms? A) Metabolism manages the increase of entropy in an organism. B) Metabolism depends on a constant supply of energy from food. C) Metabolism consists of all the energy transformation reactions in an organism. D) Metabolism uses all of an organism's resources E) Metabolism depends on an organism's adequate hydration. 34) In a mitochondrion, if the matrix ATP concentration is high, and the intermembrane space proton 34) concentration is too low to generate sufficient proton-motive force, then A) ATP synthase will hydrolyze ATP and pump protons into the intermembrane space. B) ATP synthase will stop working. C) ATP synthase will hydrolyze ATP and pump protons into the matrix. D) ATP synthase will increase the rate of ATP synthesis.

Explanation / Answer

32. A

33. C - Metabolism consists of all the energy transformation reactions in an organism.

34. B - It stops working