BIOD 171- EXAM 2 WITH 100% CORRECT ANSWERS 2026

BIOD 171- EXAM 2 WITH 100% CORRECT
ANSWERS 2026


True or False: Metabolism is a controlled set of biochemical reactions that occur
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in living organisms in to maintain life correct answer True
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T/F: Enzymes are polysaccharides that catalyze chemical reactions correct
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answer False (enzymes are proteins)
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What are usually metal ions and assists enzyme during the catalysis reaction?
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correct answer Cofactors
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Define catabolism correct answer The process of breaking down larger
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molecules into useful energy sources.
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Upon cellular injury, which metabolic process is involved during the growth and
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repair phases of the cell? correct answer The anabolic process would be
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active as it is involved in the building up of small complexes into larger
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complexes
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Describe energy transfer process relative to both ATP and ADP correct answer
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ATP has the energy (phosphate group) to donate while ADP can accept energy
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in the form of a phosphate group. Thus ATP can be reduced (ATP-ADP+Pi) while
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ADP can be built into ATP (ADP+Pi-ATP)
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, An organism that derives its energy (generates ATP) from photons of light is
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called correct answer Phototrophic microorganism
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An organism that derives its energy by removing electrons from elemental
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sulfur would be classified as correct answer Lithotroph
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A reactive intermediate would be present in which phosphorylation process
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correct answer ?
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The chemical compound losing the phosphate group is referred to as the
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correct answer phosphorylated reactive intermediate
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The catabolism of a single molecule of glucose goes through what 3 distinct
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transitions correct answer Glycolysis, Fermentation or Respiration, then the
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ETC- electron transport chain
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What is the most energetic transition in the catabolism of glucose? correct
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answer The electron transport chain yields 34 ATP while both glycolysis and
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fermentation (or respiration) each yield only 2 ATP
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Identify the reactants of the following chemical equation:
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Glucose + 2NAD+ -> 2 NADH + 2 Pyruvate + 2ATP correct answer The
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reactants are to the left of the arrow: Glucose and 2NAD+
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The presence of what molecule 'signals' to the cell that glycolysis is about to
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start? correct answer Glucose-6-phosphate (G6P)
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