Intestinal bacteria can benefit our health by ____.
A) increasing bacterial overgrowth
B) decreasing fatty acid production
C) stimulating the immune system
D) stimulating malabsorption
Question 2
What is a feature of leptin?
A) It is an enzyme.
B) It is a satiety signal.
C) It is usually deficient in obese people.
D) It is secreted by the brain and acts on fat cells.