BB2920 Lect2notesF10new

BB2920 Lect2notesF10new - DNA: Structure & Replication...

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Traits can be transferred : Streptococcus pneumonia Ch.7 Ch.7 What is the chemical nature of this heritable change ? How can we determine what a gene is? 1944 Avery - experimental system? Heredity dependent on genes - Heredity dependent on genes - what is the composition of a gene? what is the composition of a gene?
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• 1944 Avery - experimental system? Ch.7 Ch.7 1. 2. 3. 4. 5. Take home = Gene comprised of DNA What is the composition of a gene? What is the composition of a gene?
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What is DNA? DNA - “deoxyribonucleic acid” 1. 2. 3. nitrogenous base a. b. 4. antiparallel double helix 5. Phosphodiester linkage 6. 7. A T, C G 8. Chargaff’s rules Ch.7 Ch.7 1. 2.
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How is DNA organized? • double helix • stacking of bases Does DNA structure fulfill requirements ? 1. faithful replication
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This note was uploaded on 09/01/2010 for the course BB 10294 taught by Professor Politz during the Spring '10 term at WPI.

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BB2920 Lect2notesF10new - DNA: Structure & Replication...

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