Personally, it is outrageous. If my ability is just as equal of someone else of a different color or wealthier then me, I should be given an equal chance. The world isn't fair but when it comes to thing like this, it should be. People of lower class can work just as hard as higher class, no one really takes that into consideration.
The answer is c hope that helped
Answer:
The cell membranes controls what goes in and out by having protein channels that perform their role accordingly sometimes like funnels and like a pump in different cases.
When a channel open in the plasma membrane it allows molecule to pass through, in this case there is no requirement for energy so it is a passive transport.
Gases and food particles broke down in water must be assimilated and waste or harmful substance and molecules must be remove. For most cells, this type of selective transport of all materials all through the cell must happen through the plasma membrane.
