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
Related Questions
Plant viruses generally have
Single stranded DNA
Double stranded RNA
Single stranded RNA
Double stranded DNA
The RNA like particle, which causes disease is
Virion
Viroid
Prion
Mycoplasma
Term ‘virus’ means
Cellular
Pathogen
Parasite
Venom or poisonous fluid
Which statement contradicts Mendel's findings regarding the inheritance of traits?
Traits are determined by discrete units called genes.
Offspring inherit an average of their parents' traits.
Some alleles are dominant while others are recessive.
Alleles segregate during gamete formation.
Viruses have
Living characteristics
Non-living characteristics
Both living and non-living characteristics
Parasitic characteristics
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
Contagium vivum fluidum concept of virus was proposed by
DJ lvanowsky
MW Beijerinck
Stanley
Robert Hooke
Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdom viruses belong to?
Monera
Protista
Fungi
None of these
HIV has a protein coat and genetic material
ssRNA
dsRNA
ssDNA
dsDNA
Protein coat of a virus enclosing nucleic acid is called
Plasmid
Capsid
Vector
Genome
