Which organic compound, used for stored chemical energy, contains carbon, hydrogen, oxygen, and often phosphorous?

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.

Number and variety of living organisms includes genetic, species, and ecological types

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?