<em>DNA</em><em> </em>is what carries the genetic code for living organisms it contained in the nucleus of cells.
Hope that helps :)
Homeostasis is the maintenance of a stable internal environment. Homeostasis is a term coined to describe the physical and chemical parameters that an organism must maintain to allow proper functioning of its component cells, tissues, organs, and organ systems.
<span>new scientific investigations lead to new theories</span>
