JACOPIN / SCIENCE PHOTO LIBRARY JACOPIN / SCIENCE PHOTO LIBRARY
CELL, DRAWING Emergence of procaryotes. Ilustration of one theory concerning the origin of procaryotes: Two elements are needed: - an envelope composed of fat molecules, creating an environment conducive to the development of the specific chemical reactions which initially enabled RNA to form the various elements of the prokaryotic cell type. RNA, enabling the cell to reproduce.
Model release not required. Property release not required.