An curved arrow pointing right. A single celled organism eating its prey, an inside view of a termite's gut, and a parasite going 'Alien' on its host took top honors in Nikon's Small World in ...
It also may be, Jokura’s paper suggests, that ctenophores lack the protective allorecognition mechanism that allows one organism to tell the difference between its own cells and tissues and ...
Today, this molecule is called DNA. Nearly all of the cells within a single organism include exactly the same DNA. DNA is a linear molecule composed of four types of smaller chemical molecules ...