Topic 1

Question 1

Polymer

Answer 1

Long chain of monomers

Question 2

Monomer

Answer 2

Single unit of a large molecule

Question 3

Condensation reaction

Answer 3

Reaction where a molecule of water is REMOVED from reacting molecules

Question 4

Hydrolysis reaction

Answer 4

Reaction where a bonds are broken by the addition of water

Question 5

What is the product of two alpha glucose molecules forming

Answer 5

Maltose

Question 6

What sugars make up sucrose

Answer 6

Alpha glucose and fructose

Question 7

What sugars make up lactose ?

Answer 7

D-glucose & D-galatose

Question 8

Structure of ribose (features):

Answer 8

Number of carbons - 5 
Number of hydrogen- 10
Chemical Formula - C5H10O5
Type of sugar- Pentose
Molecular mass- 146

Question 9

Structure of glucose (features):

Answer 9

Number of carbons - 6
Number of hydrogen- 12
Chemical Formula - C6H12O6
Type of sugar- Hexose
Molecular mass- 180

Question 10

Amylose structure and use :

Answer 10

Made of a glucose
Contains 1,4 glycosidic bonds
Helix structure
Energy storage in plants

Question 11

Amylopectin structure and use

Answer 11

Made of a glucose
Contains 1,4 glycosidic bonds and 1,6 glycosidic bonds
Highly branched structure
Energy storage in plants

Question 12

Cellulose structure and use

Answer 12

Made of b glucose
Contains 1,4 glycosidic bonds and Hydrogen bonds
Unbranded layered chains
Used in plant cell walls

Question 13

Glycogen structure and use

Answer 13

Made of a glucose
Contains 1,4 glycosidic bonds and 1,6 glycosidic bonds
Highly branched structure
Energy storage in animals

Question 14

Describe the structure of starch :

Answer 14

• Polysaccharide
• Made up of amylose and amylopectin
• Branched chin molecule
• Made up of 1,4 and 1,6 glycosidic bonds
• Made up of alpha glucose