Which of the following phenomenon proves that viruses are living?
They carry metabolic activity
They carry anaerobic respiration
They multiply in host cells
They cause infection
Related Questions
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
HIV is classified as a retrovirus because its genetic information is carried in
DNA instead of RNA
DNA
RNA instead of DNA
Protein coat
Prions differ from viroids as the former has/is
DNA as genetic material
Low molecular weight RNA
Proteinaceous in nature
Obligate parasite
Which one of the following is having ssRNA?
TMV
-bacteriophage
Reovirus
CMV
Analyse the following statements and identify the correct option given below.
I. Viruses that infects plants have single-stranded RNA and viruses that infects animals have either single or double-stranded RNA or double stranded DNA
II. Bacterial viruses or bacteriophase are usually single-stranded RNA viruses
Codes
I is true, but II is false
I is false, but II is true
I and II are true
I and II are false
A virus differs from a bacterium as it contains
A cell wall
Cytosol
DNA as genetic material
DNA or RNA as genetic material with no ribosomes
The genetic material of AIDS virus is
Double stranded DNA
Double stranded RNA
Single stranded RNA
Single stranded DNA
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 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
Viroids differ from viruses in that they lack:
A protein coat
Genetic material
Infectivity
The ability to replicate
