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DNA is the molecule of life. If you want to understand the chemical structure of life and why life appears the way that it does, you have to understand the process of DNA-replication. Understanding its make up can help us understand why our bodies do what they do, and even how to cure diseases.
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Guide to DNA Replication

The building blocks of DNA are called nucleotides. The composition forms a winding step ladder called the double helix with a sugar and phosphate backbone and base pairs in the form purines and pyrimidine. Guainine (a purine) is paired with cytosine (a pyrimidine); and a second set adinine (a purine) is paired with thymine (a pyrimidine).

DNA makes proteins, but it also replicates itself by splitting the double helix down the middle to create two templates which then form the basis of a new double helix, and the process continues. To initiate the replication, the process occurs at certain locations of the DNA helix called origins and are then targeted by proteins to create the DNA synthesis. If you want to learn more about DNA replication, read the Bright Hub articles on the topic.

DNA Replication

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More About Dna Replication
What is DNA Replication?

The answer is essential to understanding the basic rules of genetics. An understanding of the process of DNA replication can help you gain basic knowledge about genetic engineering...

 The Meselson-Stahl Experiment

The Meselson-Stahl experiment was an important step in developmental biology research. Two scientists, Matthew Meselson and Franklin Stahl carried out their experiment in 1958 to prove...