Lipids Flashcards
1
Q
Name two lipid groups
A
Triglycerides and phospholipids
2
Q
How are triglycerides formed?
A
Condensation of one glycerol molecule and three fatty acid molecules.
3
Q
What bond is formed in a condensation reaction between fatty acid and glycerol?
A
An ester bond
4
Q
Functional group of fatty acids
A
RCOOH
5
Q
What does an unsaturated fatty acid have?
A
A double bond on it’s R group
6
Q
Are triglycerides hydrophobic? And why?
A
Yes- there aren’t many polar regions relative to the entire molecule
7
Q
Are triglycerides hydrophobic? And why?
A
Yes- there aren’t many polar regions relative to the entire molecule
8
Q
What makes a phospholipid different?
A
One fatty acid is replaced by a phosphate (polar/water soluble group)
