Gel electrophoresis can't be used for uncharged or neutral molecules, because the movement of the charged particles only make this happen
Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.
D. Carnivores that eat other animals
A biotic factor is a living organism that shapes its environment.
The water is going to move from the cell to the solution, making the cell shrink.
According to a source the answer is <span><u>Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.</u>
These cyanobacteria species were the first ones to "produce" oxygen as a by-product of the photosynthetic mechanisms which enables organisms to make their own food. </span>
