History of the Universe

   

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Biological Environment > Bases

This site tells the story of the history of the universe. Click Earlier and Later to follow the story. Note: Many facts have been simplified to make them easier to understand.

 
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What is a base?

A base is a [molecule] which can absorb a proton. The opposite of acids. Acids are proton donors and bases are proton acceptors.

Bases are important in the History of the Universe because Life uses bases in nucleic acids to carry information. See the page Nucleic Acid Bases for more information.
Also the molecules called amino acids which make up the proteins upon which life depends contain an amino group NH2 which is a base.

Other bases occur in nature, including the alkalis.

   
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Biological Environment > Bases

   

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