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Describe hydrogen bond
A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative
Any water solution that has more hydrogen ions (H+) than hydroxide ions (OH[[minus]]); any water solution with a pH less than 7. Compare basic solution, neutral solution.
Protein are a organic compound and are made of amino acids, which is assembled by informations in genes
adenine (A) - a purine
cytosine(C) - a pyrimidine
guanine (G) - a purine
thymine (T) - a pyrimidine
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