Answer:
B
Explanation:
B is referring to cell theory, which basically states that all living things are made of cells and all cells come from other cells withe the exception of the first life forms.
When a cell needs to move a molecule many times, it uses vesicles<span>. </span>Vesicles<span> are cellular organelles that are composed of a lipid bilayer. You can think of </span>vesicles<span> as cellular envelopes that are used to transport materials from one place to another. </span>Vesicles<span> also </span>function<span> in metabolism and enzyme storage as well.</span>