MCDB 21 Study Guide - Spring 2019, Comprehensive Final Exam Notes - Virus, Hiv, Bacteria
8 May 2019
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Oh: tuesday 11-12 in lsb 2212 obey bay. Releases rna into host cell & uses reverse transcriptase to reverse transcribe rna back to dna. Cell will transcribe hiv dna without knowing it. Gay men with pcp & ks heroin addicts & injection drug users heterosexuals. Hard to find a cure because 1% of the hiv genetic material mutates each year that"s a lot because the genome is really big. Soldiers in caribbean serving as mercenaries in civil wars acquired virus from remote. Soldiers on holiday brought it back through sexual contact & sharing needles / blood transfusions. Nucleotide 5 carbon sugar + phosphate group + base (a,t,c,g) Nucleoside same thing but no phosphate group. Uracil in rna instead of thymine but not dna. Made up of exons (coding regions) & introns (non-coding regions that are spliced out) 64 possible codons if you have 4 different nucleotides to form 3 letter codons (4^3 = 64)
