DNA is a group of nucleotides that are linked together. The hydrogen bonds are responsible in making the double helix structure stable. The two strands of DNA are linked and stays in a stable shape because of the hydrogen bonds located between adenosine and thymine base pairs. Three hydrogen bonds are between cytosine and guanine.
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The amino acids that the protein is made up of.
In 1935 the government finally addressed the issue of the issue of people not having electricity.
Its an example of a sedimentary rock - it<span> settles in place.</span>