1.

Question : By using proteins from TMV (Tobacco-mosaic virus) and RNA from HRV (Holmes ribrass virus), a chimeric virus particle was synthesized by Fraenkel-conrat and singer. It was then used for infection of tobacco leaves. They found that

Answer»

no INFECTION was there as TOBACCO PLANT infection by DNA viruses only
leaves developed symptoms of TMV and HRV both
leaves developed symptoms of TMV
leaves developed symptoms of HRV

Answer :D


Discussion

No Comment Found