Plasma Membrane

Question 1

Plasma membrane

Answer 1

the flexible boundary of a cell that separates a cell
from its surroundings.

Question 2

What does the plasma membrane do?

Answer 2

The plasma membrane regulates what enters and leaves the cell and provides protection and support. This is called selective permeability.

Question 3

Selective Permeability

Answer 3

Some molecules are allowed to pass through the plasma membrane at any time - other molecules are only allowed at certain times or places - some are never allowed

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Question 4

Phospholipid layer

Answer 4

double-layered sheet that makes up most of plasma membranes.

Question 5

Phospholipid

Answer 5

It is made up of glycerol, two fatty acids, and a phosphate group.
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Question 6

Plasma membranes contain?

Answer 6

Plasma membranes contain protein molecules that are embedded in the phospholipid bilayer. Carbohydrate molecules are attached to many of the proteins.

Question 7

The organization of these embedded and attached is called?

Answer 7

Fluid mosaic model.