Spencer is a young boy who always seems to be hungry independent of what he eats,and although he gets lots of exercise,he is considered to be obese.According to results from studies in mice,it is likely he is lacking the gene for _________ which aids in reducing appetite.

Question

Quizplus · Accepted Answer

Leptin is a hormone that is produced by fat cells and works to suppress appetite and regulate metabolism. Studies in mice have shown that a deficiency of leptin can lead to overeating and obesity. Therefore, it is likely that Spencer is lacking the gene for leptin, which is causing him to constantly be hungry and leading to his obesity. The other options listed (ghrelin, CCK, and glucose) are also involved in regulating appetite, but do not have as strong of an effect as leptin.

Spencer Is a Young Boy Who Always Seems to Be