Free Biochemistry Integration of Metabolism Questions and Answers

Question 1

Which hormone primarily regulates the metabolic processes in the fed state?

Accepted Answer

Insulin

Answer

Glucagon

Answer

Cortisol

Answer

Epinephrine

Question 2

During fasting, which process provides glucose for the body when glycogen stores are depleted?

Accepted Answer

Gluconeogenesis

Answer

Glycogenesis

Answer

Lipogenesis

Answer

Ketogenesis

Question 3

Which metabolic pathway is activated during prolonged starvation to supply energy to the brain?

Accepted Answer

Ketogenesis

Answer

Glycolysis

Answer

Citric acid cycle

Answer

Beta-oxidation

Question 4

Which of the following statements about the Cori cycle is TRUE?

Accepted Answer

Lactate produced in the muscles is converted back to glucose in the liver.

Answer

It occurs between the liver and brain.

Answer

It only operates in the presence of oxygen.

Answer

It involves the direct synthesis of ATP in muscle cells.

Question 5

In the integration of metabolism, which pathway is the primary source of ATP during intense physical activity?

Accepted Answer

Glycolysis

Answer

Oxidative phosphorylation

Answer

Fatty acid oxidation

Answer

Pentose phosphate pathway