D. Insulin secretion in response to high blood sugar.
Homeostasis can be described as a tendency of living organisms to maintain a state of stable internal environment. In other words, it is the tendency to resist any change in the optimal conditions for survival.
It is brought by several regulatory mechanisms in the body such as regulation of body temperature, regulation of pH, regulation of osmolarity etc.
B is not part of the cell theory; there are many types of cells that do not have cell walls, so the statement cannot even be generally true.
The answer is A and B.
Hope that helped you.
Answer:
Deoxyribose Nucleic Acid is the double helix molecule which contains genetic code for organisms.
Explanation:
I am also bored lol.