Biology 1202B Lecture Notes - Lecture 10: Ancient Dna, Moa, Cytosine
10 May 2016
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Document Summary
Thus far we have talked about enzymes and their roles in biological pathways. Proteins may perform a variety of other functions in the cell as well. Forms templates before going to the next step. Catalogued sites where all (or nearly all) present day humans have the same snp but differ from neanderthal. Differ at 31,389 snps 87 proteins. Were able to isolate dna from the bone. Took the specimen and was able to get the entire genome. Early 1900"s scientists thought protein was the molecule of heredity. 20 possibilities of each unit vs. 4 possibilities. Can encode more information at a shorter amount of protein. They took a lot of convincing that it was dna Despite results of avery and griffith, not all were convinced. Results (finally) prove dna is the genetic material. Started race to find structure of dna. The end result is the dna is injected in the bacteria cell. 2 are single ring structures; 2 are double.
