Proteins

Question 1

What are proteins made up of?

Answer 1

Amino acids

Question 2

Name the two groups in amino acids

Answer 2

Amino group (NH2)
Carboxyl group (COOH)

Question 3

What makes each amino acid different?

Answer 3

Their R group

Question 4

What type of bond are amino acids joined together by?

Answer 4

Peptide bond

Question 5

What is the name of the reaction that forms amino acids?

Answer 5

Condensation reaction

Question 6

What would you call 3 or more amino acids joined together?

Answer 6

Polypeptide

Question 7

What is the structure of a protein determined by?

Answer 7

The position of amino acid and its R group

Question 8

What is a primary structure of a protein?

Answer 8

The order and number of amino acids

Question 9

What is a secondary structure of a protein?

Answer 9

The shape of the chain of amino acids formed

Question 10

What are the two types of secondary structure of proteins?

Answer 10

Alpha helix and Beta pleated sheet

Question 11

What is a tertiary structure of protein?

Answer 11

3D shape of the protein

Question 12

What are the two types of tertiary structure?

Answer 12

Globular (compact) and fibrous (long fibres)

Question 13

What are the 3 types of bonds you see in the tertiary structure of a protein?

Answer 13

Disulfide bridges, Ionic bonds,
H bonds

Question 14

What are disulfide bridges?

Answer 14

Interaction between sulfur in the R group of amino acid cysteine