Lipids

Question 1

lipids

Answer 1

a large family of organic molecules that are important in cell membranes and as an energy store in many organisms; they include triglycerides, phospholipids and steroids.

Question 2

Fatty acids

Answer 2

organic acids with a long hydrocarbon chain.

Question 3

Glycerol

Answer 3

propane-1,2,3-triol an important component of triglycerides.

Question 4

Ester bonds

Answer 4

bonds formed in a condensation reaction between the carboxyl group (COOH) of a fatty acid and one of the hydroxyl groups (OH) of glycerol.

Question 5

Saturated fatty acid

Answer 5

a fatty acid in which each carbon atom is joined to the one next to it in the hydrocarbon chain by a single covalent bond.

Question 6

Unsaturated fatty acid

Answer 6

a fatty acid in which the carbon atoms in the hydrocarbon chain have one or more double covalent bonds in them.

Question 7

Monounsaturated fatty acid

Answer 7

a fatty acid with only one double covalent bond between the carbon atoms in the hydrocarbon chain.

Question 8

Polyunsaturated fatty acid

Answer 8

a fatty acid with two or more double covalent bonds between the carbon atoms in the hydrocarbon chain.

Question 9

Esterification

Answer 9

the process by which ester bonds are made.