Chemistry for Biologists

Lipids

1. Which of the following is the molecular formula for glycerol?
CH2OHCH2CH2OH
CH2OHCHOHCH2OH
CH2OHC(OH)2CH3
CH2OHCHOHCH2COOH
2. Which functional groups are present in an unsaturated fatty acid?
carboxylic acid and alcohol
carboxylic acid and ester
carboxylic acid and alkene
carboxylic acid and alkane
3. What functional group is present in a triglyeride formed between glycerol and a saturated fatty acid?
alcohol
hydroxyl
carboxylic acid
ester

 

RSC