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Messenger RNA (mRNA) carries the DNA instructions for building the protein, transfer RNA (tRNA) carries the appropriate amino acid to the ribosome, and ribosomal RNA (rRNA) is the major component of a ribosome, the structure that reads codons on the mRNA and assembles amino acids into polypeptides.NA nucleotides contain a sugar called ribose; DNA nucleotides contain a similar sugar called deoxyribose. RNA has the nitrogenous base uracil, which behaves similarly to the thymine in DNA-that is, both uracil and thymine form complementary base pairs with adenine.
DNA Viruses vs RNA Viruses. â¢ The major difference between these two types is that the RNA viruses have RNA in their genome while the DNA viruses have DNA in their genome. Both the DNA and RNA cannot be found in the same virus. â¢ RNA virus first adsorbs to the host cell surface.Then the attached virus fuses with the endosome membrane. Finally as a result of fusion of the viral, nucleocapsid is released into the cytoplasm.Unlike RNA viruses, DNA viruses pass their DNA into the nucleus of the host cell and not into the cytoplasm of the host cell. â¢ DNA polymerase enzyme is used in the replication process of DNA viruses.Since the DNA polymerase has a refining activity, the mutation level is lower in DNA viruses. RNA polymerase is used in RNA replication process of RNA viruses. The major difference between these two types is that the RNA viruses have RNA in their genome while the DNA viruses have DNA in their genome. Both the DNA and RNA cannot be found in the same virus. â¢ RNA virus first adsorbs to the host cell surface. Then the attached virus fuses with the endosome membrane.