AQA biology 6.5 antibodies

Charlotte Hewson
Flashcards by Charlotte Hewson, updated more than 1 year ago
Charlotte Hewson
Created by Charlotte Hewson almost 6 years ago


AS - Level AS Biology (unit 1 - 06. immunity) Flashcards on AQA biology 6.5 antibodies, created by Charlotte Hewson on 04/20/2015.

Resource summary

Question Answer
what are antibodies? proteins synthesised by B cells
what does a B cell do when the body is invaded by non-self material? produces antibodies
what do these antibodies do? react with antigens on the surface of the non-self material by binding to them precisely
how specific are antibodies? very, each antigen has its own individual antibody
how is this massive variety of antibodies possible? they are made of proteins which occur in an almost infinate number of forms
what are antibodies made up of? 4 polypeptide chains
what are the two chains known as? light (shorter) heavy (longer)
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