Levels of protein structure

Question 1

What is the primary structure, and what bond is in it?

Answer 1

Amino acid sequence
Peptide bond

Question 2

What are the two types of secondary structures and their features?

Answer 2

Alpha helix - Long amino acid sequence in a helix
Beta pleated sheet - Folded

Question 3

What bond is in a secondary structure?

Answer 3

Hydrogen

Question 4

What is the tertiary structure and what bonds are involved (strongest to weakest)?

Answer 4

The 3D structure

Hydrophobic interactions
Disulfide bridges
Covalent
Ionic
Hydrogen

Question 5

What is the quaternary structure?

Answer 5

Different subunits joining up