TaliAngeline
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If  you had a strand of DNA 100 base pairs long with 38 Adenine bases, how many Guanine nitrogenous bases would you have? Explain.

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Answer:If a DNA double helix is 100 nucleotide pairs long and contains 25 adenine bases, how many guanine bases does it contain? Well, we have to know the base pairs for DNA first. Adenine only bonds with thymine with two hydrogen bonds, while guanine only bonds with cytosine with three hydrogen bonds. Bonding pairs can also happen vice-versa.

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Mocha0117
Answer: 12
There are 4 bases which are Adenine, Thymine, Cytosine, and Guanine. Adenine pairs with Thymine and Cytosine is with Guanine. Since there are 38 Adenine bases, there would have to be 38 Thymine bases as well. In that case that would leave us only 24 bases left (38+38=76 , 100-76=24). Since there is still Guanine and Cytosine bases left you would divide 24 by 2 which is 12 meaning that Guanine and Cytosine both have 12 bases.

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