PDF Notes: Baltimore Classification of Viruses MIC403

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    What defines the Baltimore Classification of Viruses?

    It groups viruses based on how mRNA is produced during replication.

    How do dsDNA viruses replicate?

    They utilize host enzymes for replication and protein production.

    What is a key feature of ssDNA viruses?

    They can have either plus-strand or minus-strand DNA.

    What happens to dsRNA in host cells?

    Cells destroy dsRNA, requiring the virus to protect its genome.

    How do (+)ssRNA viruses utilize their genome?

    They can use it directly as mRNA for immediate translation.

    What distinguishes Class VI viruses?

    They have a ssRNA genome with a DNA intermediate in their lifecycle.

    What is the role of RNA-dependent RNA polymerase in dsRNA viruses?

    It transcribes mRNA and replicates the viral RNA genome.

    What is the flow of information for dsDNA viruses?

    It follows the pathway: dsDNA → mRNA → protein.

    What is a characteristic of Class II ssDNA viruses?

    They require a complementary DNA strand for replication.

    What are the seven classes of viruses in the Baltimore scheme?

    They include dsDNA, ssDNA, dsRNA, (+)ssRNA, (−)ssRNA, ssRNA-RT, and dsDNA-RT.

    What defines the Baltimore Classification of Viruses?

    It groups viruses based on how mRNA is produced during replication.

    How do dsDNA viruses replicate?

    They utilize host enzymes for replication and protein production.

    What is a key feature of ssDNA viruses?

    They can have either plus-strand or minus-strand DNA.

    What happens to dsRNA in host cells?

    Cells destroy dsRNA, requiring the virus to protect its genome.

    How do (+)ssRNA viruses utilize their genome?

    They use it directly as mRNA for immediate translation.

    What distinguishes Class VI viruses?

    They have a ssRNA genome with a DNA intermediate in their lifecycle.

    What is the role of RNA-dependent RNA polymerase in dsRNA viruses?

    It transcribes mRNA and replicates the RNA genome.

    What is the flow of information for dsDNA viruses?

    It follows the pathway: dsDNA → mRNA → protein.

    What is the significance of positive polarity in ssRNA?

    It allows the genomic RNA to serve directly as mRNA.

    What are the seven classes of viruses in the Baltimore scheme?

    They include dsDNA, ssDNA, dsRNA, (+)ssRNA, (−)ssRNA, ssRNA-RT, and dsDNA-RT.

    What defines the Baltimore Classification of Viruses?

    It groups viruses based on mRNA production during replication.

    How do dsDNA viruses replicate?

    They use host enzymes for replication and protein production.

    What is a key feature of ssDNA viruses?

    They can have either plus-strand or minus-strand DNA.

    What happens to dsRNA in host cells?

    Cells destroy dsRNA, requiring the virus to protect its genome.

    How do (+)ssRNA viruses utilize their genome?

    They can use it directly as mRNA for immediate translation.

    What distinguishes Class VI viruses?

    They have a ssRNA genome with a DNA intermediate in their lifecycle.

    What is the role of RNA-dependent RNA polymerase in dsRNA viruses?

    It transcribes mRNA and replicates the RNA genome.

    What is the flow of information for dsDNA viruses?

    It follows the pathway: dsDNA → mRNA → protein.

    What is a characteristic of Class II ssDNA viruses?

    They require a complementary DNA strand for replication.

    What is the significance of positive polarity in ssRNA?

    It allows the genomic RNA to serve directly as mRNA.

    What defines the Baltimore Classification of Viruses?

    It groups viruses based on how mRNA is produced during replication.

    How do dsDNA viruses replicate?

    They utilize host enzymes for replication and protein production.

    What is a key feature of ssDNA viruses?

    They can have either plus-strand or minus-strand DNA.

    What happens to dsRNA in host cells?

    Cells destroy dsRNA, requiring the virus to protect its genome.

    How do (+)ssRNA viruses utilize their genome?

    They can use it directly as mRNA for immediate translation.

    What distinguishes Class VI viruses?

    They have a ssRNA genome with a DNA intermediate in their lifecycle.

    What is the role of RNA-dependent RNA polymerase in dsRNA viruses?

    It transcribes mRNA and replicates the RNA genome.

    What is the flow of information for dsDNA viruses?

    It follows the pathway: dsDNA → mRNA → protein.

    What is a characteristic of Class II ssDNA viruses?

    They require a complementary DNA strand for replication.

    What is the significance of positive polarity in ssRNA?

    It allows the genomic RNA to serve directly as mRNA.