Most rna viruses carry which of the following enzymes?
a. lysozyme rna-dependent
b. rna polymerase reverse transcriptase
c. dna-dependent
d. dna polymerase atp synthase

The correct answer will be option-B.

Explanation:

Viral polymerases are the enzymes which play an important role in the viral genome transcription and replication.

Retrovirus is the single-stranded RNA viruses which replicate through a DNA intermediate and therefore requires the RNA-dependent DNA polymerase or reverse transcriptase. Reverse transcriptase encodes DNA from the strand of RNA which can be replicated and helps in the reproduction of the virus.

Thus, option- B is the correct answer.

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

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