CSB351Y1 Lecture : Lecture 1
15 Feb 2012
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He is mostly introducing the course, at the end of it he starts listing a bunch of viruses, but you can find that from the course syllabus. Dna and transcribe it into rna and so on, in viruses, no. Then they have proteins around to cover nucleic acid, and the viruses are two kinds (shapes): helical or icosahedral. All viruses fall into this form and have either rna/dna, which is packaged inside, covered totally. Some viruses the complicated ones, have lipids around them. The virus takes a piece of membrane from the cell and makes an envelope (that"s where the lipids come from). Some viruses have envelopes, some don"t. herpes have envelope, hiv has, polio doesn"t have, papilloma doesn"t have. Simple virus have either rna/dna, complicated ones have lipids, carbohydrates makes glycoproteins, we"ll see them later. Then i"ll show you how to isolate viruses.
