Which of the given feature is true about the viroids?
They have DNA as main genetic material
They are discovered by T.O Diener
Capsomeres are present
Larger than viruses
Related Questions
TMV was first crystallised by
Beijerinck
Pasteur
W.M.Stanley
Franklin
Size of TMV is
300 nm long and 18 nm diameter
100 nm long and 20 nm diameter
50 nm long and 10 nm diameter
500 nm long and 300 nm diameter
Plant viruses generally have
Single stranded DNA
Double stranded RNA
Single stranded RNA
Double stranded DNA
Virus envelope is known as
Capsid
Peplos/Viral Envelope
Nucleic Acid
Virion
AIDS in human is caused by
Virus
Bacteria
Protozoan
Bacteriophage
Organisms which are indicator of pollution of air
Mosses
Lichens
Mushrooms
Puffballs
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
Viruses posses
DNA only
Nucleic acid, DNA or RNA
Protein only
Nucleic acid and protein
The abnormal folding of which cellular protein is associated with prion diseases?
Albumin
Collagen
PrP
Keratin
Which of the following statements is INCORRECT regarding viroids?
They are smaller than viruses.
They are infectious RNA molecules.
They lack a protein coat.
They contain a protein coat.
