Worksheet+10 - Bio 93 Worksheet 10 Lectures 20 and 21 Pooja...

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Bio 93 Pooja Patel Worksheet 10 – Lectures 20 and 21 patelph@uci.edu Lecture 20: DNA Experiments: o Griffith S cells: _____________________ R cells: _____________________ o 4 different strains of bacteria inserted into different mice Living S cells: mouse _____________________ Living R cells: mouse _____________________ Heat-killed S cells; mouse _____________________ Heat killed S cells and living R cells: mouse _____________________ Why? o Hershey and Chase Showed that DNA is _____________________ Attached radioactive sulfur to _____________________ in phages o New cells were not radioactive Attached radioactive phosphorus to _____________________ in phages o New cells were radioactive o Watson and Crick (1953) Proved DNA is a _____________________ Made this assumption off of facts: o DNA is a linear polymer of 4 types of bases linked by sugar- phosphate groups o Ratio of bases is always A = T, G = C
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Bio 93 Pooja Patel Worksheet 10 – Lectures 20 and 21
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This note was uploaded on 12/13/2011 for the course BIOSCI 93 taught by Professor Staff during the Fall '11 term at UC Irvine.

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Worksheet+10 - Bio 93 Worksheet 10 Lectures 20 and 21 Pooja...

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