C. the presence of the appropriate receptors on the cells of the target tissue or organ. D. the membrane potential of the cells of the target organ The presence of the appropriate receptors on the cells of the target tissue or organ. The presence of the appropriate receptors on the cells of the target tissue or organ.
The Chukar (Alectoris chukar) is a Eurasian upland gamebird in the pheasant family Phasianidae of the order Galliformes, gallinaceous birds.
Note that the shape is somewhat modified by coastal processes. An esker, eskar, eschar, or os, sometimes called an asar, osar, or serpent kame, is a long, winding ridge of stratified sand and gravel, examples of which occur in glaciated and formerly glaciated regions of Europe and North America.