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unit 2 test bank

unit 2 test bank - AP Biology Question Bank for Unit 2 Exam...

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AP Biology Shannon Name ________________________ Question Bank for Unit 2 Exam 10/5/06 1) Metabolism is best described as A)synthesis of macromolecules. B)breakdown of macromolecules. C)control of enzyme activity. D)A and B. E)A, B, and C. 2) Which term most precisely describes the general process of breaking down large molecules into smaller ones? 3) Which of the following is true regarding catabolic pathways? depend on enzymes. monomers. 4) Anabolic pathways A)do not depend on enzymes. B)depend on enzymes. C)consume energy to build up polymers from monomers. D)release energy as they degrade polymers to monomers. E)Both B and C are correct. 5) The transfer of free energy from catabolic pathways to anabolic pathways is best called 6) Which of the following is part of the first law of thermodynamics? A)Energy cannot be created or destroyed. B)The entropy of the universe is decreasing. C)The entropy of the universe is constant. D)Kinetic energy is stored energy that results from the specific arrangement of matter. E)Energy cannot be transferred or transformed. 7) Of the following, the structure of ATP is most closely related to steroid. three phosphate groups attached. 8) According to the first law of thermodynamics, nor destroyed. increase the entropy of the universe. unstable. 9) Whenever energy is transformed, there is always an increase in the energy of the system.
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10) According to the second law of thermodynamics, A)the entropy of the universe is constantly increasing. B)for every action there is an equal and opposite reaction. C)every energy transfer requires activation energy from the environment. D)the total amount of energy in the universe is conserved or constant. E)energy can be transferred or transformed, but it can be neither created nor destroyed.
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