https://padlet.com/saragcardenass/z4b1caehq37o1cdl Science proyect second term en-us 2021-05-19 14:26:18 UTC 2024-09-13 05:12:20 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/1105458400/ab1e6cb2995f2e4cbad6874bd9dcfb3a/svgA7773876283445402.png saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559004489 Its structure is made up of two chains linked together, made up of sugars (deoxyribose) and a phosphate group.

The two chains are held together thanks to the bond that is formed between the following 4 bases: adenine (A), cytosine (C), guanine (G), and thymine (T)
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]]> 2021-05-25 19:10:45 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559004489 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559041351 In this experiment, you will use different chemicals to break down the membranes of vegetable cells in order to extract their DNA.
25/05/21]]> 2021-05-25 19:21:36 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559041351 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559059265 Place the strawberries in the plastic bag and seal it. Gently smash the strawberries until they look like purée. 
25/05/21]]> 2021-05-25 19:27:22 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559059265 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559086485 In a beaker, mix a teaspoon of salt, a cup of water, and 2 teaspoons of liquid soap.
25/05/21]]> 2021-05-25 19:36:12 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559086485 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559095027 Pour the slution into the plastic bag, and seal it again. Mix the strawberry purée with the solution, making sure no foam forms.
25/05/21]]> 2021-05-25 19:38:59 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559095027 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559100223 Strain the contents of the bag into another beaker.
25/05/21]]> 2021-05-25 19:40:44 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559100223 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559112654  Tilt the beaker and pour as much alcohol as there is strawberry liquid. Do it slowly, making sure that the alcohol runs down the inner side of the beaker, until a layer of alcohol forms on top of the mixture.
25/05/21]]> 2021-05-25 19:44:40 UTC https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559112654 saragcardenass https://padlet.com/saragcardenass/z4b1caehq37o1cdl/wish/1559118634 The DNA of the strawberry cells will begin to coagulate as a stringy white mass and will rise from the bottom layer until it reaches the alcohol. Remove it with a toothpick or a bent paper clip.
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