Question

Study the given figure of structure of $TMV$ (Tobacco Mosaic Virus) and select the option that correctly identifies the labellings $A$ and $B$.

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (C)

c

Answer 2

$TMV$ (Tobacco mosaic virus) is a ribovirus. It is rod shaped measuring $300\times 20nm$. It is made up of $ssRNA$ and proteinaceous covering capsid with $2130$ capsomeres, which are helically arranged to form a hollow cylinder.