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Exam 7: Metabolism: Transformations and Interactions

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Question 1

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Which of the following statements explains how excess carbohydrate intake contributes to obesity?

A) It is efficiently converted to storage fat.
B) It spares oxidation of body fat and dietary fat.
C) It stimulates glucagon release resulting in inhibition of fatty acid oxidation.
D) It stimulates pancreatic lipase secretion, which results in higher dietary fat absorption.

E) A) and D)
F) B) and C)

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Question 2

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MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -A recycling process of converting lactate to glucose

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Question 3

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Which of the following is a basis for driving legislation and blood alcohol?

In which of the following groups are the products all generated via the TCA cycle or electron transport chain?

MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -A product of pyruvate metabolism when oxygen is limited

Which of the following nutrients can be made from compounds composed of 2-carbon skeletons?

Explain the roles of protein and fat as nutrients for gluconeogenesis. What are the circumstances that favour low and high rates of gluconeogenesis?

Which of the following defines a moderate level of alcohol intake per day for the average-sized woman?

Which of the following defines a coenzyme?

If an individual consumes dietary carbohydrate in excess of energy needs, what would be the first pathway for disposal of the carbohydrate? ,

MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -A ketone

Production of excessive amounts of acetyl-coA molecules leads to the synthesis of which of the following compounds?

Compare and contrast the metabolism of alcohol in men versus women.

Which of the following defines a moderate level of alcohol intake per day for the average-sized man?

If a person consumes 100 kcalories in excess of energy needs from olive oil, approximately what percentage of the kcalories are stored in the body?

MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -The principal nitrogen-containing waste product

Approximately how many ATP molecules are synthesized from the complete oxidation of 1 molecule of palmitic acid?

Which of the following reactions is an example of an anabolic reaction?

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of which of these reactions?

MATCHING a.NAD b.Urea c.MEOS d.Water e.Glucose f.Enzyme g.Glycogen h.Glycerol i.Ammonia j.Coenzyme k.Cori cycle l.Lactate m.Acetoacetate n.Acetyl-coA o.Pyruvate p.Glucogenic q.Gastric alcohol dehydrogenase r.Synthesis of pyruvate from glycogen s.Synthesis of cholesterol from acetate t.Synthesis of acetyl-coA from glucose -A system for metabolizing drugs and alcohol