MCQ
What are the substances which mimic the natural chemical messengers?
- AAntibiotics
- BAntagonist
- ✓Agonists
- DRecepter
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$(I)$ $CH_3CH_2CH_2Cl$ $(II)$ $\begin{array}{*{20}{c}} {C{H_2} = CH\,CH\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,Cl} \end{array}$
$(III)$ $\begin{array}{*{20}{c}} {C{H_3}C{H_2}\,CH\,C{H_3}} \\ {\,\,\,|} \\ {\,\,\,\,Cl} \end{array}$
$(I)\,[Ni(CO)_4]$ $(II)\, [Mn(CN)_6]^{4-}$ $(III)\, [Cr(NH_3)_6]^{3+}$ $(IV) \,[CoF_6]^{3 -}$