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Medgar College York The City University ofNew Biology Department Exam. H2 Spring

ID: 227215 • Letter: M

Question

Medgar College York The City University ofNew Biology Department Exam. H2 Spring 2017 BIO 201 Which term most precisely describes the cellular process breaking down large molecules of into smaller ones? A) catalysis B) metabolism C) anabolism D) dehydration E) catabolism 2) Which of the following is (are) true for anabolic pathways? A) They do not depend on enzymes. chemical reactions. B) They are usually highly spontaneous monomers. C) They consume energy to build up polymers from D) They release energy as they degrade polymers to monomers. and its environment. E)They consume energy to decrease the entropy of the organism 3) Which of the following is a statement 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. arrangement of matter. D) Kinetic energy is stored energy that results from the specific E) Energy cannot be transferred or transformed 4) Whenever energy is transformed, there is always an increase in the A) free energy of the system. B) free energy of the universe. C) entropy of the system. D entropy of the universe. E) enthalpy of the universe Which of the following is an example of potential rather than kinetic energy? A) the muscle contractions of a person mowing grass B) water rushing over Niagara Falls D) a molecule of glucose E) the flight of an insect foraging for food Which of the following statements regarding enzymes is true? A) Enzymes increase the rate of a reaction by making the reaction more exergonic B) Enzymes increase the rate of a reaction by lowering the activation energy barrier.

Explanation / Answer

19. B

20. E

21.

22, Mitochondrial matrix

23. A,2

24. B

25 B

26 C. Molecular oxygen

27. D

28 D. Inner Membrane

29. E