Which factors may help determine the antigenicity of a virus?
Correct answer: C. Whole capsid
- A. Capsomeres
- B. Size of virus
- C. Whole capsid
- D. Internal proteins
Explanation
The antigenicity of a virus is mainly determined by its whole capsid, as the capsid surface exposes epitopes recognized by the immune system. Capsomeres only contribute indirectly by forming the capsid structure. The size of the virus has no role in antigenicity, while internal proteins are generally hidden and do not significantly influence immune recognition.
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