Topic 2.4 Proteins

Question 1

What are proteins made of?

Answer 1

One polypeptide or multiple bonded together.

Question 2

What are the elements of proteins?

Answer 2

Carbon, Hydrogen, Oxygen, Nitrogen and sometimes Sulphur.

Question 3

Characteristics of the R bond interactions between amino acids.

Answer 3

Generally quite weak and. can be denatured (destroyed).

Question 4

What creates the 3D shape in a polypeptide chain?

Answer 4

The interaction between R groups.

Question 5

What causes denaturation?

Answer 5

Heat and pH changes.

Question 6

What is a proteome?

Answer 6

The entire set of. proteins expressed by an organism at a given time.n of genome

Question 7

The function of insulin.

Answer 7

Raises blood glucose concentration.

Question 8

How are amino acids different from each other?

Answer 8

They all belong to different R groups.

Question 9

Polypeptides are chains of amino acids linked by..

Answer 9

Condensation reactions.

Question 10

How many different types of amino acids exist that have different R groups?

Answer 10

20

Question 11

Do all living things use the same 20 amino acids?

Answer 11

Yes

Question 12

How many acids can polypeptides hold?efi

Answer 12

Between 20 - 10,000 amino acids.ni

Question 13

Definition of genome.

Answer 13

All the genes.