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Lec5 - Rosalind Franklins data DNA is a helix DNA...

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Rosalind Franklin’s data: DNA is a helix
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DNA Complementary Strands
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DNA Double helix Stands run anti-parallel Bases are planar and are in the center of the helix Major and a minor groove Bases on one strand base-pair with complimentary bases on the other strand Sugar is deoxyribose
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Nucleic Acid Functions DNA carries genetic information Mendel 1866 Plants contain pairs of genetic factors One from the mother, one from the father These factors determine specific characteristics
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Formation of a stem-loop structure
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Differences between DNA and RNA Double stranded Contains deoxy- ribose Contains A, T, G, C Encodes genetic information Single stranded Contains ribose Contains A, U, G, C Is involved in expression of genetic information
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Transformed pneumococci
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What are genes? How do genes affect the characteristics of an organism? Genes are composed of DNA Genes encode proteins
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DNA is in the nucleus How does this genetic information get to the cytoplasm?
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