CAIE A-Level Biology AS 11.1.2 Antigens Questions
Explain antigen roles in triggering specific immune responses using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain the role of antigens in triggering specific immune responses.
CAIE A-Level Biology AS 11.1.2 Antigens Questions question 1
[Maximum number: 3]
Rheumatoid arthritis (RA) is a disease of the joints in the human body.
RA is classed as an auto-immune disease where the immune system treats some self antigens as non-self.
Explain what is meant by the term non-self antigens.
non-self
foreign / AW ;
A not from the person's own body triggers / AW, an immune response/production of antibodies ;
A other events in immune response described
antigen
protein/glycoprotein ;
A polysaccharide
ref.to, binding of specific antibody / formation of antigen-antibody complex ;
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