Viroids differ from viruses in that they lack:
A protein coat
Genetic material
Infectivity
The ability to replicate
Related Questions
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
Viruses contain
Only RNA
Only DNA
Either DNA or RNA
Neither DNA nor RNA
Which one of the following viruses contains both DNA and RNA?
Cyanophage
Herpes virus
Leuko virus
Polio virus
The genetic material of AIDS virus is
Double stranded DNA
Double stranded RNA
Single stranded RNA
Single stranded DNA
The genome of bacteriophage can be
Only double-stranded DNA
Single- or double-stranded DNA or RNA
Only single-stranded RNA
Only double-stranded RNA
Which type of nucleic acid constitutes the genetic material of a viroid?
RNA
DNA
Both RNA and DNA
Neither RNA nor DNA
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.
HIV has a protein coat and genetic material
ssRNA
dsRNA
ssDNA
dsDNA
Which of the following statement is false?
TMV has a double-stranded RNA molecule
Most plant viruses are RNA viruses
The bacteriophage has a double-stranded DNA molecule
Most animal viruses are DNA viruses
HIV has a protein coat and genetic material
ssRNA
dsRNA
ssDNA
dsDNA
