Antibodies@

Question 1

What is an antibody?

Answer 1

= protein that is complementary and specific to a particular antigen

Question 2

What is the structure of antibodies?

Answer 2

= made from heavy and light chains with variable regions
= rest is constant region
= made from 4 polypeptide chains
=

Question 3

What are the variable regions based on?

Answer 3

= sequence of amino acids that determines the bonding in the protein
= different antibodies have different variable regions that is complememtary to a particular antigen

Question 4

When an antigen binds to the antibody what is this called?

Answer 4

= antibody-antigen complex
= when variable region of an antibody is bound to a specific antigen

Question 5

What effect is agglutination when the antigen binds?

Answer 5

= bacteria cells become clumped together and acts as markers for phagocytosus

Question 6

What else can antibodies do?

Answer 6

= nuetralise toxins
= distract pathogens