Most of the volume of epithelial cell bodies containing nuclei are aligned as a monolayer on the apical (upper) side. They extend pillarlike cell processes in a basal (downward) direction. At the ...
The concept of a ‘plasmid’ was first introduced by Joshua Lederberg in 1952. Since that time, it has become widely recognized as a circular DNA able to viably function as a carrier for introducing a ...