Topic 2- Antigen-antibody complex Flashcards
1
Q
Are the antibodies and antigens complementary?
A
Yes
2
Q
When an antibody collides (randomly) with a foreign cell that possesses non-self antigens with a complementary shape, it binds with one of the antigens, what does this form?
A
Antigen- antibody complex
3
Q
antibodies have at least two antigen-binding sites, what does this result in?
A
they can bind to more than one bacterium or virus at the same time
4
Q
What is agglutination?
A
groups of the same pathogens to become clumped together
5
Q
What is the purpose of the binding of antibodies to the antigen
A
-Neutralises the pathogen
or
-acts like a marker to attract phagocytes to engulf and destroy the pathogens
