The Fluid Mosaic Model

Question 1

The structure of the plasma membrane consists of 2 ___ layers arranged TAIL to TAIL

Answer 1

Phospholipids (fat) with CHOLESTEROL and floating PROTEINS scattered among them

Question 2

Some phospholipids may have sugar groups attached, forming __

Answer 2

Glycolipids

Question 3

Proteins, some of which are free to move, form a constantly changing pattern also known as WHAT?

Answer 3

The mosaic, hence the name of the model that describes a plasma membrane

Question 4

The polar “heads” of the lollipop-shaped phospholipid molecules are ___ and ___ to water

Answer 4

Hydrophilic, attracted to water

Question 5

The tails of phospholipid molecules are ___ and ___ of water

Answer 5

Hydrophilic, afraid of water