A virus spreads through a community of deer in a forest. next year most deer in that forest have a genetic resistance to this virus .this is an example of

Antibody. Not fully sure though, like 78% sure.

They move from a higher to a lower energy level releasing energy. Some of the energy is used to pump H +start superscript, plus, end superscript ions, moving them out of the matrix and into the intermembrane space. This pumping establishes an electrochemical gradient.