Explanation:
a) movement of molecules from an area of high concentration to low concentration
They all contribute to genetic diversity, alternative D.
It is mostly likely the cell membrane.
The cell membrane is a structure of a cell composed of double layer of lipids and proteins. It surrounds a cell and separates the cytoplasm from its surrounding environment. The cell membrane is selectively permeable (semi-permeable), which means that it only lets certain molecules enter and exit. It can also control the amount of some substances that go into or out of the cell.
<span> Descriptive theories help direct specific nursing activities</span>
