C11

Question 1

What happens during addition polymerisation?

Answer 1

• the double covalent bond between two carbon atoms ‘opens up’
• it’s replaced by a single bond, allowing thousands of molecules to join together

Question 2

What is the product of addition polymerisation?

Answer 2

An addition polymer

Question 3

What are the products of condensation polymerisation?

Answer 3

Condensation polymer + small molecule

Question 4

What happens during condensation polymerisation?

Answer 4

Two small molecules (monomers) react with eachother and release a small molecule

Question 5

What is a monosaccharide?

Answer 5

Something made of one sugar unit

Question 6

What is a polysaccharide?

Answer 6

Polymers made of many monosaccharides

Question 7

What is the structure of a starch polymer like?

Answer 7

• 1500 glucose monomers
• branched chains

Question 8

What is the structure of a cellulose polymer like?

Answer 8

• 10,000 glucose monomers
• straight chains

Question 9

Why does a cellulose polymer have stronger intermolecular forces than a starch polymer?

Answer 9

The chains of a cellulose polymer can line up neatly next to eachother, forming stronger intermolecular forces

Question 10

What are proteins made up of?

Answer 10

Amino acids

Question 11

What does a nucleotide look like?

Answer 11

Refer to notes

Question 12

Describe the structure of DNA and what it is made up of

Answer 12

• it’s made up by the condensation polymerisation of monomers called nucleotides
• structure is a double helix