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.
Humpback Chub (Gila cypha) Humpback chub are one of three species of chub that once inhabited the canyon, and are the only chub species still found in Grand Canyon. Even though the species is listed as endangered, populations of humpback chub are found in eight reaches of the Colorado River basin in western Colorado, Utah, and Grand Canyon.