BCH 3025 Exam 4
Study online at https://quizlet.com/_hmi9gu
1. 24. An elevated insulin level in the blood:
A) inhibits glucose uptake by the liver.
B) inhibits glycogen synthesis in the liver and muscle.
C) results from a below-normal blood glucose level.
D) stimulates glycogen breakdown in liver.
E) stimulates synthesis of fatty acids and triacylglycerols in the liver.: E
2. 25. Which of the following is not involved in triggering insulin from -cells
release in response to glucose?
A) Reduced efflux through ATP-gated K+-channels
B) Increased concentrations of ATP
C) cAMP-dependent phosphorylation of lipase
D) Phosphorylation of glucose to glucose-6-phosphate
E) Increased Ca2+ levels: C
3. 26. The largest energy store in a well-nourished human is:
A) ATP in all tissues.
B) blood glucose.
C) liver glycogen.
D) muscle glycogen.
E) triacylglycerols in adipose tissue.: E
4. 27. Elevated epinephrine levels do not normally stimulate:
A) fatty acid mobilization in adipose tissue.
B) gluconeogenesis in liver.
C) glycogen breakdown in muscle.
D) glycogen synthesis in liver.
E) glycolysis in muscle.: D
5. 28. Epinephrine triggers an increased rate of glycolysis in muscle by:
A) activation of hexokinase.
B) activation of phosphofructokinase-1.
, BCH 3025 Exam 4
Study online at https://quizlet.com/_hmi9gu
C) conversion of glycogen phosphorylase a to glycogen phosphorylase b.
D) inhibition of the Cori cycle
E) the Pasteur effect: B
6. 29. Long-term maintenance of body weight is regulated by the hormone:
A) adiposin.
B) hypothalmin.
C) leptin.
D) obesin.
E) testosterone: C
7. 30. Which of the following effects is not mediated by the protein leptin?
A) Increased synthesis of uncoupler protein thermogenin
B) Decreased activity of the enzyme 5´-AMP-activated protein kinase (AMPK)
C) Increased activity of the sympathetic nervous system
D) Increased -oxidation
E) Decreased desire to eat: B
8. 31. The hormone leptin _____appetite; insulin _____appetite.
A) increases; increases
B) increases; decreases
C) decreases; increases
D) decreases; decreases
E) has no effect on; has no effect on: D
9. 32. The peptide hormone adiponectin, produced in adipose tissue, circulates
in the blood and:
A) enhances fatty acid synthesis in liver cells.
B) increases the rate of -oxidation of fatty acids in muscle cells.
C) inhibits glucose uptake and catabolism in muscle and liver cells.
D) reduces the transport of fatty acids into muscle cells.
E) stimulates gluconeogenesis in liver cells.: B
, BCH 3025 Exam 4
Study online at https://quizlet.com/_hmi9gu
10. 33. Which of the following is not a peptide hormone?
A) Grehlin
B) Insulin
C) Adiponectin
D) PPAR
E) PYY3-36: D
11. 34. Which of the following hormones stimulates appetite?
A) Grehlin
B) Insulin
C) Adiponectin
D) Both A and B
E) Both A and C: E
12. 35. Which of the following is not a mechanism for treating diabetes?
A) Increasing TAG by weight loss
B) Activating AMPK through exercise
C) Activating AMPK by taking metformins
D) Activating PPAR gamma through rosiglitazone
E) Stimulating insulin secretion by taking sulfonylureas: A
13. 1. The most precise modern definition of a gene is a segment of genetic
material that:
A) codes for one polypeptide.
B) codes for one polypeptide or RNA product.
C) determines one phenotype.
D) determines one trait.
E) that codes for one protein.: codes for one polypeptide or RNA product
14. 2. The DNA in a bacterial (prokaryotic) chromosome is best described as:
A) a single circular double-helical molecule.
B) a single linear double-helical molecule.
Study online at https://quizlet.com/_hmi9gu
1. 24. An elevated insulin level in the blood:
A) inhibits glucose uptake by the liver.
B) inhibits glycogen synthesis in the liver and muscle.
C) results from a below-normal blood glucose level.
D) stimulates glycogen breakdown in liver.
E) stimulates synthesis of fatty acids and triacylglycerols in the liver.: E
2. 25. Which of the following is not involved in triggering insulin from -cells
release in response to glucose?
A) Reduced efflux through ATP-gated K+-channels
B) Increased concentrations of ATP
C) cAMP-dependent phosphorylation of lipase
D) Phosphorylation of glucose to glucose-6-phosphate
E) Increased Ca2+ levels: C
3. 26. The largest energy store in a well-nourished human is:
A) ATP in all tissues.
B) blood glucose.
C) liver glycogen.
D) muscle glycogen.
E) triacylglycerols in adipose tissue.: E
4. 27. Elevated epinephrine levels do not normally stimulate:
A) fatty acid mobilization in adipose tissue.
B) gluconeogenesis in liver.
C) glycogen breakdown in muscle.
D) glycogen synthesis in liver.
E) glycolysis in muscle.: D
5. 28. Epinephrine triggers an increased rate of glycolysis in muscle by:
A) activation of hexokinase.
B) activation of phosphofructokinase-1.
, BCH 3025 Exam 4
Study online at https://quizlet.com/_hmi9gu
C) conversion of glycogen phosphorylase a to glycogen phosphorylase b.
D) inhibition of the Cori cycle
E) the Pasteur effect: B
6. 29. Long-term maintenance of body weight is regulated by the hormone:
A) adiposin.
B) hypothalmin.
C) leptin.
D) obesin.
E) testosterone: C
7. 30. Which of the following effects is not mediated by the protein leptin?
A) Increased synthesis of uncoupler protein thermogenin
B) Decreased activity of the enzyme 5´-AMP-activated protein kinase (AMPK)
C) Increased activity of the sympathetic nervous system
D) Increased -oxidation
E) Decreased desire to eat: B
8. 31. The hormone leptin _____appetite; insulin _____appetite.
A) increases; increases
B) increases; decreases
C) decreases; increases
D) decreases; decreases
E) has no effect on; has no effect on: D
9. 32. The peptide hormone adiponectin, produced in adipose tissue, circulates
in the blood and:
A) enhances fatty acid synthesis in liver cells.
B) increases the rate of -oxidation of fatty acids in muscle cells.
C) inhibits glucose uptake and catabolism in muscle and liver cells.
D) reduces the transport of fatty acids into muscle cells.
E) stimulates gluconeogenesis in liver cells.: B
, BCH 3025 Exam 4
Study online at https://quizlet.com/_hmi9gu
10. 33. Which of the following is not a peptide hormone?
A) Grehlin
B) Insulin
C) Adiponectin
D) PPAR
E) PYY3-36: D
11. 34. Which of the following hormones stimulates appetite?
A) Grehlin
B) Insulin
C) Adiponectin
D) Both A and B
E) Both A and C: E
12. 35. Which of the following is not a mechanism for treating diabetes?
A) Increasing TAG by weight loss
B) Activating AMPK through exercise
C) Activating AMPK by taking metformins
D) Activating PPAR gamma through rosiglitazone
E) Stimulating insulin secretion by taking sulfonylureas: A
13. 1. The most precise modern definition of a gene is a segment of genetic
material that:
A) codes for one polypeptide.
B) codes for one polypeptide or RNA product.
C) determines one phenotype.
D) determines one trait.
E) that codes for one protein.: codes for one polypeptide or RNA product
14. 2. The DNA in a bacterial (prokaryotic) chromosome is best described as:
A) a single circular double-helical molecule.
B) a single linear double-helical molecule.
