Overview of Metabolic Regulation

Question 1

Which of the following statements best describes the effect of insulin in metab regulation?

A, Insulin phosphorylates protein phosphatase which activates it.
B. Insulin decreases cAMP levels inhibiting hormone-sensitive lipase
C. Insulin phosphorylates glycogen synthase which activates it.
D. Insulin dephosphorylates glycogen phosphorylase which activates it.

Answer 1

B

Question 2

Which of the following statements describe why metabolism is regulated?

A. The amount of food that is available is always fixed and predictable
B. The type of food that is available can come in many combinations
C. The amount of energy needed by the body rarely changes.
D. The body needs to store energy when the demand is high.

Answer 2

B

Question 3

Which of the following statements is TRUE about energy stores in our body?

A. Most of the amino acids from the diet are stored as proteins in muscle.
B.There are very little fatty acid stores because they are hydrophobic and hard to transport.
C. The glycogen stored in muscle is not used to replenish serum glucose.
D. Carbohydrates from the diet are mainly stored as glycogen in the liver.

Answer 3

C