Definitions

Question 1

What are monomers?

Answer 1

Smaller units from which larger molecules are made.

Question 2

What are polymers?

Answer 2

Molecules made from a large number of monomers joined together

Question 3

What is condensation reaction?

Answer 3

A reaction that joins 2 molecules together to form a chemical bond whilst eliminating of a molecule of water.

Question 4

What is a hydrolysis reaction?

Answer 4

A reaction that breaks a chemical bond between 2 molecules and involves the use of a water molecule.

Question 5

What is a monosaccharide?

Answer 5

Monomers from which larger carbohydrates are made.

Question 6

How is a glycosidic bond formed?

Answer 6

A condensation reaction between 2 monosaccharides

Question 7

Name 3 examples of polysaccharides?

Answer 7

Glycogen
Starch
Cellulose

Question 8

Describe Benedict’s test for reducing sugars?

Answer 8

Gently heat a solution of a food sample with an equal volume of Benedict’s solution for 5 minutes, the solution turns orange-brown if reducing sugar is present