Chemistry for Biologists

Lipids

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

 

RSC