BIOL-101 Lecture Notes - Lecture 4: Paper Chromatography, Chromosome, Cytosine
6 Apr 2016
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Mixture of heat-killed s cells and living r cells. 1944 avery, mcleod and mccarty: wanted to determine what this transforming factor was, used griffiths experiment as a model system, systematically depleted biological molecules one by one o. 1953 watson and crick: feb 28, 1953 they had figured out the structure of deoxyribonucleic acid (dna), a double helix that unzips to make copies of itself, confirmed suspicions that dna carries life"s hereditary information. Rosaline franklin: was an x-ray diffraction expert, image 51, shown to watson without her knowledge by a colleague. The double helix nobel prize: prize can only be split 3 ways, along with franklin and chargoff, 23 other scientists contributed and never received recognition. Dna structure: sugar structure (5 carbons, where the, know how to draw the structure. Form of chromosomes: chromosome: structure and function, each is a tightly coiled combination of a dna molecule and specialized proteins called histones.
