Biology > A-Level Question Paper > BIOS 256 (A&P 4) FINAL EXAM NEW (All)

BIOS 256 (A&P 4) FINAL EXAM NEW

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• This examination covers content learned in weeks 3 and 4 (Nutrition and Metabolism and Urinary System) • This midterm exam is worth 110 total points, and includes the following types of quest... ions: o 15 Multiple choice questions o 5 Multiple answers o 10 Fill in the blank question o 2 Essay questions • You have 75 minutes to complete the Exam. Nutrition and Metabolism (Ch. 26) Differentiate between anabolism and catabolism • Anabolism is an endergonic reaction: energy is consumed as the reaction takes place o Build up o Anabolic reactions create bonds between small molecules to make large molecules (polymers) o Example: protein synthesis • Catabolism is considered an exergonic reaction; energy is released as the reaction takes place o Break down o Catabolic reactions break bonds in large molecules (polymers), to make small molecules o Example: digestion of starch to glucose • Anabolism + catabolism = METABOLISM Define the terms gluconeogenesis, glycogenesis, glycolysis, and glycogenolysis • Gluconeogenesis: o Formation of new glucose, from non-carbohydrate sources (lactic acid, glycerol, or an amino acid) ▪ Anabolic reaction ▪ “gluco” = “glucose” ▪ “neo” – new ▪ “genesis” = creation • Glycogenesis: o Excess glucose taken up the liver and converted into glycogen ▪ Anabolic reaction ▪ Stimulated by insulin ▪ “glycogen” = glycogen [Show More]

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