dna extraction
DESCRIPTION
TRANSCRIPT
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DNA Intro
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Warm-ups!O What is the chemical equation for
photosynthesis?O What is the chemical equation for cellular
respiration?O What are the steps of cellular respiration?
O Which step(s) do not require oxygen?O Where does each step occur in the cell?O *feel free to draw it out.
O What do you know about DNA and what do you want to know?
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A VIDEOO http://www.youtube.com/watch?v=aQR_aaUqMPcO http://www.youtube.com/watch?v=aIyaxgBkToU&feature=related
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DNA Extraction Lab
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Lab
Title: DNA Extraction Lab
Purpose: To extract DNA and make general observations of DNA
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MaterialsO One wooden stickO 1 pipetteO 1 50 ml conical tubeO 1 15ml conical tubeO Tube holder optionalO SoapO 20mL waterO Waste beakerO EthanolO Wheat Germ, Strawberry, Banana?
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Make a Flow-gram
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Mix the detergent once every min. for 5 min
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Intro to DNA
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Zooming into DNA
http://www.thetech.org/genetics/zoomIn/
http://www.pbs.org/wgbh/nova/genome/dna_flash.html
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DNA stands for Deoxyribonucleic AcidThe structure of DNA is a double stranded helix
DNA is important because it codes for all of our traits.
http://www.biotechnologyonline.gov.au/popups/int_dnazoom.html
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DNA is a type of nucleic acid made up of monomers called nucleotides
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There are 3 parts to make a nucleotide
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Warm up!!O What are the 3 parts of a nucleotide?O Which part makes each nucleotide differentO Work on your study guide until 8:50aTO DO:O Take out Photosynthesis and Cell Resp.
AnnotationsO Take out Field Trip form with 5$O Email Mackenzie at
[email protected] if you want study help after school
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Field TripO On Tuesday of Next Week!! Yay!!!O You can bring a snack and waterO Wear comfortable clothing and shoes
we will be doing a lot of walking.
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O The nitrogenous base is what makes each type of nucleotide different
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O The phosphate and the ribose sugar make up the back bone of the DNA
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There are 4 types of nucleotides that make up DNAAdenine GuanineCytosineThymine
http://www.youtube.com/watch?v=HvJlnujmYcg&feature=BFa&list=PL9CDDABF9F37094D9&lf=results_main
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Chargaff’s Ratio shows that the number of Adenine is always equal to the number of Thymine and the number of Guanine is always equal to the number of Cysteine.
http://www.youtube.com/watch?v=HvJlnujmYcg&feature=BFa&list=PL9CDDABF9F37094D9&lf=results_mainhttp://www.youtube.com/watch?v=PDeaLxoL75M&feature=BFa&list=PL9CDDABF9F37094D9&lf=results_main
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The nucleic acids of DNA pair up O A pairs with T using 2 hydrogen bondsO G pairs with C using 3 hydrogen bonds
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O The strands of DNA are antiparallel.