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A monoclonal (antibody specific for a given epitope of an antigen) IgG antibody (M) was produced in the laboratory that binds to a surface protein ( P ) of a virus (V1) and neutralizes 100 % of V 1 . It was observed that M is also effective in neutralizing other viruses V2, V3 and V4 at 40 %,90 % and 32 % efficiency as compared to V1. If there are no other confounding factors, then the most accurate inference is

Options

  1. AV1, V2, V3, and V4 have identical surface protein P.
  2. Bthe genome of V1 and V3 has to be 90 % identical for the observed binding efficiency.
  3. Cthe sequence of P is more similar in V2 and V4 than in V1 and V2
  4. Da segment of sequence in P is highly conserved in V1 and V3 whereas the same segment is less conserved in V2 a

Correct answer

D. a segment of sequence in P is highly conserved in V1 and V3 whereas the same segment is less conserved in V2 a

Step-by-step solution

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