The ob mouse is obese because it lacks the gene that normally produces
A) CCK.
B) leptin.
C) insulin.
D) peptide YY.
E) glucagon.

Question

Quizplus · Accepted Answer

The ob mouse is obese because it lacks the gene that produces leptin, a hormone that signals the brain to regulate appetite and metabolism. Without leptin, the body is not able to regulate food intake and energy expenditure, leading to obesity.

The Ob Mouse Is Obese Because It Lacks the Gene