Proteins

Question 1

State that nitrogen is essential for the formation of proteins

Answer 1

.

Question 2

Name two types of proteins

Answer 2

Fibular

Globular

Question 3

What is main role of fibular proteins

Answer 3

Major structural materials of animal tissue such as finger nails

Question 4

State example of globular proteins

Answer 4

Enzymes

Question 5

What can affect an enzymes shape and what is this called

Answer 5

Denaturing

High temperatures of PH

Question 6

What term is used to describe temperature and PH at which an enzyme works best

Answer 6

Optimum temperature/PH

Question 7

What is type of polymerisation reaction amino acids undergo to form proteins

Answer 7

Condensation reaction (elimination of water) of amino acids to produce chains linked together with an amide link

Question 8

What monomers are used to make proteins

Answer 8

Amino acids

Question 9

Draw an amino acid molecule now

Answer 9

.

Question 10

Define essential amino acid

Answer 10

An acid which the body cannot synthesise for itself

Question 11

Draw a peptide link

The link formed when proteins are made

Answer 11

.

Question 12

What methods could be used to identify amino acids from a section of protein

Answer 12

Hydrolysis of protein or paper chromotography