t found anywhere else in nature except in the cell walls of bacteria. but few of them are devoid of this cell wall, and others have a third protection layer called capsule. on the outer layer, one or more flagella or pili is attached, and it functions as a locomotory organ. pili can...
Hand, grasping organ at the end of the forelimb of certain vertebrates that exhibits great mobility and flexibility in the digits and in the whole organ. It is made up of the wrist joint, the carpal bones, the metacarpal bones, and the phalanges. Learn m