Phospholipids 👯 Flashcards
1
Q
What does hydrophilic mean?
A
Likes water
2
Q
What charge is on a phospholipid head?
A
Negative charge
3
Q
What charge is on the phospholipid tail?
A
No charge (non-polar)
4
Q
Why is one of the chains of the tail kinky?
A
It’s unsaturated
5
Q
What does unsaturated mean?
A
1+ double covalent bond
6
Q
What does saturated mean?
A
No double covalent bonds because the excess bonds on the carbons are used up
7
Q
Where do we get cholesterol?
A
Food
8
Q
What is the basic structure of a phospholipid?
A
Phosphate group & 2 fatty acid chains
9
Q
What is the emulsion test?
A
Tests for lipids.
Sample + ethanol + water = milky white emulsion.
10
Q
What are the main elements found in lipids?
A
C, H, O
11
Q
What does hydrophobic mean?
A
Doesn’t like water.
