Organic Molecules

Question 1

What are monosaccharides?

Answer 1

The simplest carbohydrates e.g. glucose. They easily transport in the blood and are the main source of energy for cells.

Question 2

What are polysaccharides?

Answer 2

They are formed from many monosaccharide molecules eg. starch and glycogen. They are made of many thousands of glucose molecules and are insoluble

Question 3

What is the process called when individual segments join up to make chains?

Answer 3

Condensation

Question 4

What is the process called when chains split up to make individual segments?

Answer 4

Hydrolysis

Question 5

How are lipids formed?

Answer 5

Lipids are formed by the condensation of three molecules of fatty acid with one molecule of glycerol.

Question 6

What are proteins?

Answer 6

Proteins are made up of long chains of sub units called amino acids, joined together in particular sequences which are coded for by genes.