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.
General Description. A chunky, medium-sized bird introduced into North America from Eurasia, the Chukar is a pale-colored, but boldly patterned bird. The bird's red bill and legs contrast with its pale gray upperparts. A black line surrounds the bird's whitish throat and cheek, and extends over its eyes.