Cell Transport And Homeostasis Flashcards
0
Q
What is passive transport?
A
Is when substances cross the plasma membrane without any input of energy from the cell.
1
Q
What is concentration?
A
Is the amount of molecules per volume, unit or in a given area.
2
Q
How it can move without energy?
A
Because the substances are moving from an area where they have a higher concentration to an area where they have a lower concentration.
4
Q
How the molecules will move?
A
They will move from high concentration to low concentration.
6
Q
What is simple diffusion?
A
Is the movement of a substance across a membrane, due to a difference in concentration, without any help from other molecules.