NEET Solved Paper 2014 Question 34
Question: Viruses have [AIPMT 2014]
Options:
A) DNA enclosed in a protein coat
B) prokaryotic nucleus
C) single chromosome
D) Both DNA and RNA
Show Answer
Answer:
Correct Answer: A
Solution:
- A complete virus particle, known as virion, consists of nucleic acid (DNA or RNA) surrounded by a protective coat of protein called a capsid. Which are made up of identical protein subunits called capsomeres. Our of the options given in the question, insulin was the first hormone to be produced in 1978 being recornbinant DNA technology through E. coli bacteria. It was first synthesied as proinsulin (inactive) which later converted to insulin (activation).