Cells require glucose as a source of energy to carry out life processes. large molecules like glucose cross the cell's plasma membrane by ?

the tricuspid valve is present between right atrium and right ventricle

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.

artificial selection

explanation:

this occur when man select base on their intelligent