Which statement about the structure of viroids is FALSE?
They are composed of double-stranded RNA.
They lack a protein coat.
They have a circular RNA molecule.
They are smaller than viruses.
Related Questions
Select the true one about prions
Has RNA as genetic material
Abnormally folded proteins
Larger than viruses
RNA shape is same as in TMV
Which type of nucleic acid constitutes the genetic material of a viroid?
RNA
DNA
Both RNA and DNA
Neither RNA nor DNA
Viroids differ from viruses in that they lack:
A protein coat
Genetic material
Infectivity
The ability to replicate
HIV has a protein coat and genetic material
ssRNA
dsRNA
ssDNA
dsDNA
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
HIV is classified as a retrovirus because its genetic information is carried in
DNA instead of RNA
DNA
RNA instead of DNA
Protein coat
The genetic material of AIDS virus is
Double stranded DNA
Double stranded RNA
Single stranded RNA
Single stranded DNA
Which of the following statement is not true for retroviruses?
DNA is not present at any stage in the life cycle of retroviruses
Retroviruses carry gene for RNA dependent DNA polymerase
The genetic material in mature retroviruses is RNA
Retroviruses are causative agents for certain kinds of cancer in man
Which is correct?
RNA is genetic material of bacteria
RNA is genetic material of all virus
DNA is genetic material of some organism
Some virus has RNA as genetic material
Which one of the following is having ssRNA?
TMV
-bacteriophage
Reovirus
CMV
