Question 1

Consider the following statements about antibodies: 
1. An antibody or immunoglobulin is a protein used by the immune system to identify and neutralize both pathogenic bacteria and viruses.
2. Monoclonal antibodies are natural antibodies that mimic the activity of our immune systems. 
3. The difference between monoclonal antibodies and convalescent plasma is that Monoclonal antibodies are extremely pure & plasma has a lot of other things in it, which could lead to allergic reactions. 
Which of the following are correct?