introduction to dna for key stage 2 (ks2)
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DNA(deoxyribonuc
leic acid)Allyson ListerMarch 2017
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How many???Around 2.5 billion cells in one of your hands, but they are tiny. If every cell in your hand was the size of a grain of sand, your hand would be the size of a bus!
Each cell has its own job. But how does each cell know what job to do?
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What is DNA for?DNA acts like a recipe, telling our bodies how to develop and how to work. There are about 1.5 gigabytes of information in each cell[2].
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What does it look like?http://www.wehi.edu.au/wehi-tv/molecular-visualisations-dna
https://www.youtube.com/watch?v=QD1TjeszTHQ
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There must be 1000s of recipes!!Each piece of information / recipe is carried on a different section of the DNA. These sections are called genes[1].
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Building sweetie DNA: 6 Billion* pairs??!!
[2,4]* Diploid number
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Your Recipe is…?
A == TC == G
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Jellyfish GlowYou can get fluorescent yellows and greens from jellyfish.
You can get fluorescent reds from some corals.
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What Bacteria Painting Would you Do?
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Citations[1] http://kids.britannica.com/elementary/article-390730/DNA Accessed 2 March 2017.
[2] https://pdb101.rcsb.org/motm/23 Accessed 2 March 2017.
[3] https://www.pets4homes.co.uk/pet-advice/is-it-true-bengal-cats-shed-less-than-other-cats.html Accessed 2 March 2017.
[4] http://science.howstuffworks.com/life/cellular-microscopic/cell6.htm Accessed 2 March 2017.
[5] http://www.cell.com/pictureshow/skin Accessed 2 March 2017.
[6] http://www.cell.com/pictureshow/viruses Accessed 2 March 2017.
[7] http://tsienlab.ucsd.edu/HTML/Images/IMAGE%20-%20PLATE%20-%20Beach.jpg Accessed 2 March 2017.
[8] By Brocken Inaglory - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2141765 Accessed 2 March 2017.