The ob mouse becomes obese because it lacks the gene that normally produces
A) CCK.
B) leptin.
C) insulin.
D) NPY.
E) glutamate.

Question

Quizplus · Accepted Answer

The ob mouse becomes obese because it lacks the gene that normally produces leptin. Leptin is a hormone produced by fat cells that helps regulate body weight by suppressing appetite and increasing energy expenditure. Without leptin, the ob mouse cannot regulate its food intake and becomes obese.

The Ob Mouse Becomes Obese Because It Lacks the Gene