Types Of Bonds

Question 1

What are disulphide bonds?

Answer 1

-strong covalent bonds form between 2 cysteine R groups
-can be broken by oxidation
-strongest bond in proteins

Question 2

What ionic bonds?

Answer 2

-form between positively charged and negatively charged R groups
-broken by pH changes

Question 3

What are hydrogen bonds?

Answer 3

-form between strongly paired R groups
-weakest bonds

Question 4

What are hydrophobic interactions?

Answer 4

-between non-polar R groups within interior of proteins