Certain infectious particles lack nucleic acids yet cause diseases. Which of the following correctly describes the infectious agent and a disease it causes?
Viroids; Potato spindle tuber disease
Prions; Creutzfeldt-Jakob disease
Viruses; Tobacco mosaic disease
Lichens; Athlete's foot
Related Questions
The viruses are non cellular organisms that are charactarised by
Absence of Nucleic acid
An active structure outside the living cell
An inert crystalline structure outside the cell
Their hyper activity outside the cell
Virion is a
Bacterium
Blue-green algae
Simple virus particle
None of these
Which statement is incorrect?
Plant virus contains RNA
Animal virus contains DNA
T_4 contains dsDNA
TMV contains dsRNA
The viruses are non cellular organisms that are charactarised by
Absence of Nucleic acid
An active structure outside the living cell
An inert crystalline structure outside the cell
Their hyper activity outside the cell
Virus envelope is known as
Lipid envelope
Capsid
Nucleocapsid
Core protein
Outer covering of virus made up of protein is
Capsid
Coat
Virion
Viriod
Viruses are also known as
Nucleoprotein particle
Virion
Lipoprotein particles
Core
Viruses are also known as
Nucleoprotein particle
Virion
Lipoprotein particles
Core
Which one of the following viruses contains both DNA and RNA?
Cyanophage
Herpes virus
Leuko virus
Polio virus
Select incorrect statement w.r.t. viruses.
Viruses can be cultured on artificial/synthetic medium
Viruses lack enzymes for protein synthesis
Viruses are obligate intracellular parasites
Viruses have either DNA or RNA as the genetic material