Exp. 7

Question 1

. These consist of long chain fatty acids which may be either free or combined with an alcohol by an ester linkage.

Answer 1

Simple lipids

Question 2

They include the triglycerides (triacylglycerols) and the waxes.

Answer 2

Simple lipids

Question 3

which contain additional groupings such as phosphoric acid, sugars, nitrogenous bases or proteins.

Answer 3

Compound lipids

Question 4

Included in this group are the phospholipids, glycolipids and lipoproteins.

Answer 4

Compound lipids

Question 5

(Steroids & Terpenes). Although they do not often contain fatty acids the steroids are frequently classed as lipids on account of their occurrence in natural fats and their solubility characteristics.

Answer 5

Derived lipids

Question 6

They include cholesterol and the sex and adrenocortical hormones.

Answer 6

Derived lipids

Question 7

(Fats and Oils) - esters of fatty acids and glycerol

Answer 7

Triglycerides

Question 8

• esters of fatty acids and monohydric alcohol

Answer 8

Waxes

Question 9

• esters of fatty acids with glycerol containing an esterified phosphoric acid and a nitrogen

Answer 9

Phospholipids

Question 10

• contain an amino alcohol (sphingosine or isosphingosine) attached with an amide linkage to a fatty acid and glycosidically to a carbohydrate (sugars, amino sugar, sialic acid)

Answer 10

Glycolipids

Question 11

Steroids
Terpenes
Carotenoids

Answer 11

DERIVED

Question 12

Olive oil – predominantly composed of

Answer 12

oleic acid

Question 13

Coconut oil – predominantly composed of

Answer 13

lauric acid

Question 14

• Phosphoglycerides that contains the aminoalcoholcholine

Answer 14

Lecithin

Question 15

– an alcohol, not a lipid

Answer 15

Glycerine/Glycerol