Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?
A) The secretion of antibacterial compounds in sebum.
B) Release of chemical signals by keratinocytes that have been damaged by UV light that will increase the production of melanin.
C) The near waterproof secretions of glycolipids that is released by cells in the stratum granulosum.
D) Removal of nitrogenous compounds like urea within the sweat.

Question

Quizplus · Accepted Answer

Negative feedback is a process by which a system responds to a change by returning to its original state, or by decreasing the rate at which the change is occurring. The release of chemical signals by keratinocytes in response to UV damage, which leads to increased melanin production, is an example of negative feedback because it involves a response to counteract the change (damage from UV light) by increasing melanin production to protect the skin.

Which of the Following Examples Listed Below Illustrates Homeostasis Maintained