Before each cell divideds the DNA must be copied so that each cell has some DNA. When DNA gets copied, the DNA spilts right down the middle. After it splits, it gets paired up with another strand. Since thymine gets paired up adineme and cytosine gets paired up with guanine they have to find the correct strand.
To learn how this works we created a model with something like legos. We each had a partner and an instruction booklet. We had to create a compelte modle and then all the parts to make the second one. We put the first on together and then we took it apart. WE split it right down the middle. Then we attached a new strad of DNA to the old one. We then had two complete sets of DNA.
To learn how this works we created a model with something like legos. We each had a partner and an instruction booklet. We had to create a compelte modle and then all the parts to make the second one. We put the first on together and then we took it apart. WE split it right down the middle. Then we attached a new strad of DNA to the old one. We then had two complete sets of DNA.
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