100+ Virus life PowerPoint (PPT) Presentations, Virus life PPTs

Virus life - PowerPoint PPT Presentation

Viruses are parasites

Viruses are parasites. Viral genomes small -- contain few genes compared with living cells HIV genome has 9749 nucleotides - Human cells have ~3.2 x 10 9 base pairs (~30,000 genes) Viruses must hijack host cells. They can only reproduce if they force the host cell to make viral copies.

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719 views • 43 slides

Simian Foamy Viruses (SFV)

Simian Foamy Viruses (SFV). Arifa S. Khan, Ph.D. DVP, OVRR, CBER, FDA BPAC, December 13, 2001. FV Classification. Family: Retroviridae Genus: Spumavirus Single-stranded RNA genome (12-13 kb) tRNA lys1,2 primer for minus-strand synthesis

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542 views • 21 slides

DNA Structure and Replication Ch. 14

DNA Structure and Replication Ch. 14. DNA and Heredity . Mendel set the stage for inheritance patterns, but it was not yet known that this is through DNA Proteins were considered the better source of variation, why? More possible variation ; 20 AA vs. 4 Base pairs

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310 views • 20 slides

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Virus life - PowerPoint PPT Presentation

Viruses are parasites

Simian Foamy Viruses (SFV)

DNA Structure and Replication Ch. 14