BIOL 102- Final Exam Guide - Comprehensive Notes for the exam ( 60 pages long!)
Document Summary
Milestones in the history of dna as genetic material: the idea that traits are conferred by a chemical component of a cell first implicated in studies by griffith in 1928. Identifying the chemical began wit studies by avery and coworkers, separating dna, rna, and protein and assessing their ability to transform cells, established as dna in 1944. In 1950, chargaff looked at chemical dna and how it differed amongst organisms, he showed that dna composition varies from one species to the next (the amounts of a always equaled the amount of t and same with. Ttp: sugar: atp, datp, ctp, dctp, gtp, dgtp, ttp, dttp. Dna is the genetic material: dna (deoxyribonucleic acid) is a polymer of (deoxy) nucleotides. The back bone of the chain is sugar-phosphate-sugar-phosphate. Dna has polarity: the ends of the dna strand backbone has a polarity. Adding dntp to an existing dna strand.