Biological Molecules:Phospholipids.

Question 1

What is the structure of a phospholipid molecule?

Answer 1

= a glyceroel is bonded to 2 fatty acid molecules (hydrophobic) and phosphate

Question 2

What charge does phosphate have?

Answer 2

= Negative charge
= hydrophilic
= attracts water and other groups of sugars

Question 3

How do phospholipids act in water?

Answer 3

= phospholipids position themselves
= hydrophilic head groups can interact with water molecules
= hydrophobic tails cluster together away from the water molecules
= phospholipid bilayers.

Question 4

What is the function of phospholipid bilayers?

Answer 4

= forms the cell membrane.

Question 5

What charge do the fatty acid molecules have?

Answer 5

= non polar
= hydrophobic- repels water
=