Miscellaneous proteins

Question 1

Define: simple protein

Answer 1

chain of amino acid on its own

Question 2

define: conjugate protein

Answer 2

chain of amino acids joined with non-protein portions

Question 3

examples of conjugate proteins

Answer 3

nucleoproteins and haemoglobin (4 chians + heme groups)

Question 4

How can inactive enzyme proteins become active?

Answer 4

enzyme must convert it to active form

Question 5

Describe how insulin becomes active

Answer 5

initially inactive: a single chain of amino acids held together by 3 disulphide bonds. An activating enzyme removes a section of the molecule, creating the active insulin molecule, comprising of 2 amino acid chains held together by 3 disulphide bonds.