Monday, November 7, 2011

Muddiest point

I don't understand how antigens can mutate can anyone help?
Posted by at
Labels: ,

1 comment:

  1. Sammy KNovember 7, 2011 at 5:45 PM

    Antigen is any substance that triggers an immune response (they are located on the outside surface of bacteria, viruses, or parasites.

    ReplyDelete

Subscribe to: Post Comments (Atom)