A) these have arisen from nucleic acid and protein found in primitive soup
B) these arose from bacteria as a result of the loss of cell wall, ribosome etc.
C) these arose from some bacteria which had developed a nucleus only
D) these are modified plasmids which are in fact the fragments of the nucleic acids of the host
Correct Answer: D
Solution :
Many scientists believe that viruses are modified plasmids which are the fragments of the nucleic acids of the host. These genome fractions escaped and got inducted into new host cells.
You need to login to perform this action.
You will be redirected in
3 sec
