BIOL.113 Lecture 4
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13 Terms
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Who discovered nucleic acids
Friedrich Miescher
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What is a good source of WBC?
Pus. Miescher used bandages from Crimean War soldiers.
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Which parts of pus are N rich, and which are acidic P rich?
Proteins. Nucleic acids.
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What are nucleic acids made up of?
A 5 carbon sugar, nitrogenous bases, phosphate.
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S-form alone (mice)
Mice die
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R-form alone (mice)
Mice live
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Heat killed s-form (mice)
Mice live
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Heat killed s-form + r-form
Mice die
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What was the transforming principle?
DNA changing heat killed s-form to r-form
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Who took the first photo of DNA
ROSALIND FRANKLIN
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What is a bacteriophage
A type of virus composed of DNA and protein
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What do bacteriophages do?
Infect bacterial cells
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