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DNA
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Introduction DNA = Deoxyribonucleic Acid
Genetic blueprint of an individual All living things have DNA Controls cell activities Located in the nucleus
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History Discovered by Watson and Crick (1953)
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Structure DNA is “Double Helix” Spiral Double Stranded Twisted Ladder
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Structure Made up of smaller units called nucleotides Phosphate
Nitrogenous Base 5 Carbon Sugar
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Nitrogenous Bases 4 types A, T, C, G A bonds with T C bonds with G
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Nucleotides fit together to Make DNA
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DNA Building Contest Work in Partners Bring supplies
Construction must begin in class (not before) Time limit – 40 minutes Judging will take place during last part of class
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