Rats with mutations to the ob gene become obese because
A)their fat cells produce too much leptin
B)their fat cells do not produce leptin
C)the receptors in their brains are insensitive to leptin
D)the receptors in their brains are overly sensitive to leptin

Question

Quizplus · Accepted Answer

Rats with mutations to the ob gene become obese because their fat cells do not produce leptin, a hormone involved in regulating appetite and energy expenditure.

Rats with Mutations to the Ob Gene Become Obese Because