1 bio1130 organismal biology 37 universit dottawa

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Unformatted text preview: PM Dna with number of functions: first genes translated are about to shut down DNA polymerase system and destroy the bacteria's dna. DNa can be any form ofnucleic acid Comandeering bacteria for its own means Virus morphology Viral DNA inside Capsid Protein Head Sheath Tail Baseplate Recognition fibers BIO1130 Organismal Biology Figure 21.1 & 3 Université d’Ottawa / University of Ottawa 38 2:39 PM difficult to call viruses living because..... virus is not interacting with it's environment, No ribosomes, no energy is required to operate ( stolen form cell that it infects) Viruses aren’t cells? No cell membrane No ribosomes No mitochondria DNA (RNA) wrapped in a protein coat BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 39 2:39 PM Page 13 Archean eon Viral phases in replication Entry Transcription and viral protein production Replication of viral genome Assembly of virions Exit Transmission to new host BIO1130 Organismal Biology 40 Université d’Ottawa / University of Ottawa 2:39 PM Bursting host cells Viruses – Replication T-even phage Once entered, genome is turned into message containgin essential proteings for virus to function, Virions: self assembed protein coats and dNA exiting the host Replicated phage DNA Phage DNA E. coli cell Head units Tail units Bacterial chromosome Phage DNA BIO1130 Organismal Biology Figure...
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This note was uploaded on 01/14/2014 for the course BIO 1130 taught by Professor Fenwick during the Fall '08 term at University of Ottawa.

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