Answer:
In response to the stretching of the stomach walls, the gene responsible for signaling fullness will be turned on.
Explanation:
When we eat a large meal, the stretching of the stomach walls activates a hormone called leptin. Leptin is primarily secreted by adipose tissue (fat cells) and plays a crucial role in regulating energy balance and appetite.
As the stomach expands due to the large meal, the stretch receptors in the stomach walls send signals to the brain, triggering the release of various hormones, including leptin. Leptin then acts on the hypothalamus in the brain to inhibit hunger and promote feelings of fullness or satiety.
Therefore, the stretching of the stomach walls, caused by a large meal, will turn on the gene responsible for producing and releasing leptin. This activation of the gene helps communicate to the body that the stomach is full, contributing to the regulation of appetite and the cessation of further eating.
