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ADP can be converted back into ATP by an enzyme called ATP synthase.
Like other phosphonucleotides (such as ATP, cAMP, GTP), ADP also has regulatory and signalling functions, that is certain proteins and enzymes behave differently when they have a molecule of ADP bound, compared with the ATP-bound or empty state.
Blue represents the black population and links with Africa. Red stands for those of mixed race. The original blue and red flag was based on the French tricolour. Effective date: 25 February 1986.
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