NEET Solved Paper 2014 Question 30

Question: Which of the following shows coiled ENA strand and capsomeres? [AIPMT 2014]

Options:

A) Polio virus

B) Tobacco mosaic virus

C) Measles virus

D) Retrovirus

Show Answer

Answer:

Correct Answer: B

Solution:

  • In TMV RNA is single stranded (ss) helically coiled structure containing about 2130 capsomeres, a basic subunit of capsid (an outer covering of protein that protects the genetic material of a virus). There are about 16 capsomeres present in each helical turn.