Replication of RNA-containing Animal Viruses and Comparison with DNA-containing

Question

Replication of RNA-containing Animal Viruses and Comparison with DNA-containing Viruses

This activity examines several of the unique features of the biosynthesis stage among different RNA-containing viruses and explores the similarity and differences in the multiplication cycle of DNA- and RNA-containing viruses.

For each statement, determine whether it applies to DNA-containing viruses, single-stranded + RNA viruses, single-stranded -RNA viruses, double-stranded RNA viruses, or retroviruses. Drag each statement to its appropriate bin.

Replication of RNA-containing Animal Viruses and Comparison with DNA-containing Viruses This activity examines several of the unique features of the biosynthesis stage among different RNA-containing viruses and explores the similarity and differences in the multiplication cycle of DNA- and RNA-containing viruses. For each statement, determine whether it applies to DNA-containing viruses, single-stranded + RNA viruses, single-stranded -RNA viruses, double-stranded RNA viruses, or retroviruses. Drag each statement to its appropriate bin.

Explanation / Answer

any animal virus Attachment occurs the association of viral attachment proteins and host cell surface receptors

DNA containing Animal virus these viruses insert DNA into the host cell genome to produce Provirus. viral replication includes the direct involvement of the host cell nucleus at somepoint of infection cycle, except for Poxvirus.

negative strand - RNA containing Animal virusesThe genome of this virus must be first transcribed to produce +strands to serve both as mRNA and to serve as templatesfor synthesising additional genomic RNA strands.

maturation involves assembly of viral capsids and packing of newly synthesised viral nucelic acids into capsid

only single stranded +RNA virus   The genome of this virus may be used directly to synthesise viral proteins

RNA containg animal virus except RETRO VIRUS This viral infection involve the cytoplasm of the cell but they never directly invove Nucleus

ONLY RETRO VIRUS This virus will use REVERSE TRANCRITASE TO SYNTHESISE DNA from RNA

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