This study makes the fundamental discovery of the first natural animal rhodopsin that uses a chloride ion instead of an amino acid side chain as a counterion. Using a combination of biochemical and ...

b For the purposes of this review, H + dissociation by acids and association ... from the other succinic COOH is replaced to make the sodium salt. g Inorganic calcium is the ion purposed for ...

Most organic drugs contain one acid group, usually a carboxylic acid, -COOH, or one basic primary, secondary, or tertiary amino group, NC 1-3, [3,22,27,28,29] that determines the acid-base ...