BIOL 1081 Lecture Notes - Lecture 20: Cleavage Furrow, Cell Plate, Microfilament
Document Summary
*binary fission is the method by which prokaryotes produce new individuals that are genetically identical to the parent organism* Plants: plant cells form a cell plate (cellulose) that separates the two new cells. Vesicles containing building materials fuse with one another to form the disklike cell plate between the two new cells. In animal cells, a cleavage furrow on the outer surface indicates that two new cells are forming. Binary fission in prokaryotes a parent cell copies it"s genetic material, and then divides, transforming into two daughter cells, each new cell having one complete copy of the genetic instructions necessary to run the cell. These two molecules of dna are attached to the cell"s plasma membrane: the cell then grows, increasing the distance between the two duplicated chromosomes that are attached to the plasma membrane. In prokaryotes (bacteria and archaea), a new cell wall, called a septum, begins to grow across the middle of the cell, bisecting it.
