\kɹˌə͡ʊmə͡ʊd͡ʒˈɛnɪk sˈʌbstɹe͡ɪts], \kɹˌəʊməʊdʒˈɛnɪk sˈʌbstɹeɪts], \k_ɹ_ˌəʊ_m_əʊ_dʒ_ˈɛ_n_ɪ_k s_ˈʌ_b_s_t_ɹ_eɪ_t_s]\
Definitions of CHROMOGENIC SUBSTRATES
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Colorless, endogenous or exogenous pigment precursors that may be transformed by biological mechanisms into colored compounds; used in biochemical assays and in diagnosis as indicators, especially in the form of enzyme substrates. Synonym: chromogens (not to be confused with pigment-synthesizing bacteria also called chromogens).
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Board of Admiralty
- organized by Continental Congress, October 28, 1779, from earlier more numerous Committee. consisted two members Congress five others and had charge of all naval marine affairs. It was abolished February 7, 1781, upon the creation Secretary Marine.