3 Gene - Gene The immense length of the human genome....

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Gene
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Length of human genome = 3000 Mb = 5000 km The immense length of the human genome.
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The base components of DNA and RNA *RNA: thymine is uracil
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Two types of pentose. *RNA: sugar is ribose
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A nucleoside is a base linked to a sugar.
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A nucleotide is a phosphate group added to the base- sugar.
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Nucleotides are linked to each other by phospho- diester bonds to form a DNA polymer.
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The double helix is held together by hydrogen bonds between the base components of nucleotides. *RNA: single- stranded
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Base pairs lie perpendicular to the sugar-phosphate Backbone.
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The double helix maintains a constant width because purines always face pyrimidines.
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DNA is a shaped like a twisted ladder
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50 years of the Double Helix Watson and Crick building the original model at the MRC unit in 1953.
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The Central Dogma RNA Protein DNA Replication duplication of DNA using DNA as the template Transcription synthesis of RNA using DNA as the template Translation synthesis of proteins using RNA as the template
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DNA replication Replication is semi- conservative Each strand has one of the parent strands
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3 Gene - Gene The immense length of the human genome....

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