Which of the following statements 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 men
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
Which of the following statements accurately describes the structural composition of a viroid?
Double-stranded DNA with a protein coat
Circular single-stranded RNA without a protein coat
Single-stranded DNA without a protein coat
Double-stranded RNA with a protein coat
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.
Which of the following statements 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 men
Organisms which are indicator of Pollution of air.
Mosses
Lichens
Mushrooms
Puffballs
HIV has a protein coat and genetic material
ssRNA
dsRNA
ssDNA
dsDNA
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
Lichen is the pioneer vegetation on which succession?
Hydrosere
Lithosere
Psamosere
Xerosere
Enveloped virus enters into host cells by
Injecting own nucleic acid inside host cells
By contact with cell receptor and endocytosis
By phagocytosis
Fusion with the plasma membrane of host
A new infectious agent that is smaller than virus is
Prions
Viroids
bacteria
Mycoplasma