BIOD 171- Exam 2 all questions 100% solved
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True or False: Metabolism is a controlled set of biochemical reactions that occur in living organisms in to maintain life - ANSWER True T/F: Enzymes are polysaccharides that catalyze chemical react ... ions - ANSWER False (enzymes are proteins) What are usually metal ions and assists enzyme during the catalysis reaction? - ANSWER Cofactors Define catabolism - ANSWER The process of breaking down larger molecules into useful energy sources. Upon cellular injury, which metabolic process is involved during the growth and repair phases of the cell? - ANSWER The anabolic process would be active as it is involved in the building up of small complexes into larger complexes Describe energy transfer process relative to both ATP and ADP - ANSWER ATP has the energy (phosphate group) to donate while ADP can accept energy in the form of a phosphate group. Thus ATP can be reduced (ATP-ADP+Pi) while ADP can be built into ATP (ADP+Pi-ATP) An organism that derives its energy (generates ATP) from photons of light is called - ANSWER Phototrophic microorganism An organism that derives its energy by removing electrons from elemental sulfur would be classified as - ANSWER Lithotroph A reactive intermediate would be present in which phosphorylation process - ANSWER ? The chemical compound losing the phosphate group is referred to as the - ANSWER phosphorylated reactive intermediate The catabolism of a single molecule of glucose goes through what 3 distinct transitions - ANSWER Glycolysis, Fermentation or Respiration, then the ETC- electron transport chain What is the most energetic transition in the catabolism of glucose? - ANSWER The electron transport chain yields 34 ATP while both glycolysis and fermentation (or respiration) each yield only 2 ATP Identify the reactants of the following chemical equation: Glucose + 2NAD+ -> 2 NADH + 2 Pyruvate + 2ATP - ANSWER The reactants are to the left of the arrow: Glucose and 2NAD+ [Show More]
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