2.2 unlocking the dna code
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2.2 Unlocking the DNA code
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Read page 56-57
Nitrogenous base
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DNA is made up of building blocks called nucleotides
3 parts:SugarPhosphateNitrogenous base
Nitrogenous base – varies.EitherAdenine (A)Thymine (T)Cytosine (C)Guanine (G)
The sequence of these bases in your DNA contains the genetics material to make your body proteins eg. HORMONES, ENZYMES, ANTIBODIES.DNA codes for different amino acids which together make different proteins – the building blocks of your body.
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What is DNA?
• http://www.youtube.com/watch?v=zwibgNGe4aY
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Yummy Practical
• How to make DNA Model using Candy
Refer instruction sheet.
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Exercises
• Workbook Pg.11 ext Pg. 12
• Textbook Pg. 60 Q. 1 (a to c, e,f), 3, 4