Proteins

Question 1

What are the 4 classes of amino acids?

Answer 1

Acidic, Basic, Uncharged polar, Non-polar

Question 2

What is the primary structure of a protein?

Answer 2

The sequence of amino acids in a polypeptide chain

Question 3

What is the secondary structure of a protein?

Answer 3

The spacial arrangement of amino acid residues that are near each other in the linear sequence.

Question 4

What are the 2 types of secondary protein structure?

Answer 4

Alpha Helices and Beta pleated sheets

Question 5

What bonds determine secondary protein structure?

Answer 5

Hydrogen bonds

Question 6

What is the tertiary structure of a protein?

Answer 6

The spatial arrangement of amino acid residues that are far apart in the linear sequence.

Question 7

What kind of bonds take place in tertiary structure of a protein?

Answer 7

Van der Waals 
Ionic Interactions
Hydrogen Bonding
Disulphide Bridges
Hydrophobic Interactions

Question 8

What is the Quaternary structure of a protein?

Answer 8

The spatial arrangement of individual polypeptide chains in a multi sub-unit protein.