Proteins

Question 1

What are examples of proteins and what do they do?

Answer 1

Enzymes- Speed up chemical reactions and remained unchanged
Hormones - Chemical messengers
Antibodies- Combine with a pathogen to destroy them and protect body from disease
Receptors- Allow signal to be transmitted across cell membrane into cell

Question 2

What is the name when an enzyme binds to a substrate

Answer 2

enzyme-substrate complex

Question 3

What does Catalase do?

Answer 3

Degredation reaction, breaks down hydrogen peroxide into water and oxygen

Question 4

What does phosphorolayse do?

Answer 4

Synthesises glucose-1-phosphate into starch

Question 5

What does a protein shape have relation to?

Answer 5

It’s function eg, Antibodies are Y shaped to attach to it’s pathogen and destroy it

Question 6

What does pepsin do?

Answer 6

Degredation, breaks down protein into peptides then amino acids

Question 7

What does amylase do?

Answer 7

Breaks down starch into maltose sugar

Question 8

What does lipase do?

Answer 8

Breaks down fat into glycerol and fatty acids