Antibodies Flashcards
1
Q
What are antibodies?
A
Y-shaped glycoproteins called immunoglobulins
Quaternary structure
2
Q
A
3
Q
What is the top parts of the light chain called?
A
Variable region, different on each antibody to give specificity to each pathogen
4
Q
What are the heavy chains called?
A
Constant region, same in all antibodies
5
Q
How many disulfide bridges are there on each pathogen?
A
4
6
Q
What is the purpose of the hind region?
A
Flexible, allows it to move to fit antigen
7
Q
Draw + label an antibody:
A
Look on page 41 for answer
8
Q
What is the function of opsonins?
A
- Opsonins bring abiut opsonisation
- Surface coat bacteria, makes coated bacteria more attractive to phagocytes
9
Q
What is the function of agglutinins?
A
- Cause agglutination
- Sticks many cells together + takes them out of circulation
- Makes it easier for phagocyte to engulf pathogens
10
Q
What is the function of anti-toxins?
A
- Anti-toxins neutralise toxins
- Binds to toxin + makes them harmless
