Plasma membrane Flashcards
1
Q
What is a plasma membrane?
A
outer membrane that surrounds the entire content of cell
2
Q
What are plasma membrane made by?
A
Proteins and phospholipids
3
Q
State the characteristics of plasma membrane.
A
- Thin and elastic film
2. Partially permeable
4
Q
State the main function of plasma membrane
A
Allows exchange of nutrients,respiratory gases and waste materials between cells and their surroundings
5
Q
State the second function of P.M
A
Controls movement of substances into and out of the cells
6
Q
P.M separates …
A
the content of cell from the external environment
