Chapter 1.23 Lipids

Question 1

Define lipids

Answer 1

Large family of organic molecules that are important in cell membranes and as an energy store in many organisms including triglycerides, phospholipids and steroids

Question 2

What is fatty acid?

Answer 2

Organic acid with a long hydrocarbon chain

Question 3

What is Glycerol ?

Answer 3

Propane 1.2.3 triol an important component of triglycerides

Question 4

What is an water bonds ?

Answer 4

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

Question 5

What is a saturated fatty acids ?

Answer 5

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

Question 6

What is unsaturated fatty acids?

Answer 6

The carbon atoms in the hydrocarbon chain have one or more double covalent bonds

Question 7

What is monounsaturated fatty acid?

Answer 7

Fatty acid with only one double covalent bond between carbon atoms in the hydrocarbon chain

Question 8

What is polysaturated fatty acids?

Answer 8

Fatty acid with two or more double covalent bond between carbon atoms in the hydrocarbon chain