Phospholipids Flashcards
1
Q
What are they made up of?
A
Glycerol
2 fatty acids
Phosphate group
2
Q
What part of the phospholipid is polar?
A
The phosphate group (hydrophilic head)
3
Q
Why does oil form a droplet in water?
A
The triglycerides have hydrophobic tails. They clump together, with tails in the middle and hydrophilic head facing outwards.
4
Q
Why does oil float?
A
The hydrophilic head is attracted to the surface of the water
5
Q
Where in a cell will you find phospholipids? What does this do?
A
The cell membrane had a bilateral of phospholipids, they act as a barrier to osmosis and H2O movement
6
Q
Where is cholesterol found? What does it do?
A
In the cell membrane, provides strength and stops cell from freezing
7
Q
Where are phospholipids found?
A
In the cell membrane
