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ninabolong
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first to isolate DNA, discovered N. C.
1865
Fredrick Meischer
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transforming substance, established DNA as genetic material
- Oswald Avery
- Macleod
- McCarthy
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bacteriophages: DNA had the infectious agent
Hershey and Chase
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analyze the composition of DNA
bases in equal #s
DNA not present in equal #s
Erwin Chargaff
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base + sugar + phosphate
4 types in DNA
bonded where?
- nucleotide
- 5'--1'<->9'purine, 1' pyrimidine
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What connects nucleotides?
Phosphodiester bond
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What century where DNA bases being identified?
20th century
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base + sugar
bonded where?
nucleoside
1'<->9'N purine, 1'N pyrimidine
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Which have O? Which has 2 Os? Which has a methane group?
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Number the C:))
OKAY GOT IT!
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