Which of the following is NOT a characteristic of a virus?
Presence of genetic material
Ability to replicate inside a host cell
Independent metabolism
Non-cellular organization
Related Questions
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
T.O. Diener discovered a new infections agent that was smaller than viruses and having following characteristics.
I) It causes potato spindle tuber disease
II) It has free RNA
III) Molecular weight of RNA is low
Which is the correct option far all the given characteristics?
Viruses
Viroids
Virion
Mycoplasma
Viroids were discovered by
TO Diener
DJ Ivanowsky
MW Beijerinck
WM Stanley
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.
RNA is not found in one of the following organisms
TMV
HIV
Viroids
Prions
How do viroids differ from viruses in their structural composition?
Viroids have DNA, while viruses have RNA.
Viroids have a protein coat, while viruses do not.
Viroids lack a protein coat, while viruses have a protein capsid.
Both viroids and viruses have a protein capsid.
Viroids have
ssRNA not enclosed by protein coat
ssDNA not enclosed by protein coat
dsDNA enclosed by protein coat
dsRNA enclosed by protein coat
Which of the following statements is wrong for viroids?
They have a protein coat.
Their RNA is single-stranded.
Their RNA is circular.
They are smaller than viruses.
Potato spindle tuber diseases is caused by a
Nematode
Virus
Bacterium
Viroid
A scientist discovers a new infectious agent that causes disease in plants. It is smaller than a virus and composed solely of RNA without a protein coat. What is the most likely classification of this agent?
Virus
Prion
Viroid
Lichen
