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20-12-2017
Biology

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9 Nitrogenous bases are located on both strands of the DNA double helix. What is the significance of the nitrogenous bases?

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gabrielagavrilp17x3b gabrielagavrilp17x3b

20-12-2017

They help to form the rungs of the "twisted ladder" or double helix of DNA

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100-20=80 x(x-5)=x²-5x x²-5x+x+2x=x²-2x x²-2x=80 x²-2x-80=0 (x-10)(x+8)=0 x=10 x=-8 This is what i've done so far but i don't know what to do next