Cell-cycle regulation is mediated by reversible phosphorylation events - Discuss.
Member rating: No Rating | Words: | Submitted: Mon Jun 19 2006
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Oliver Heath Corpus Christi College Cell cycle tutorial 1: Essay: Cell-cycle regulation is mediated by reversible phosphorylation events. Discuss. A cell reproduces by performing an orderly sequence of events in which it duplicates its contents and then divides in two. This cycle of duplication and division, known as cell cycle, is the essential mechanism by which all living cells reproduce. Eucaryotic cells have evolved a complex network of regulatory proteins known as the cell-cycle control system that governs progression through the cell-cycle. The core of this system is an ordered series of biochemical switches that control the main events of the cycle, including DNA replication and the segregation of the replicated chromosomes. A lot of these switches are involved in performing reversible phosphorylation events responsible for mediating cell-cycle regulation. The eucaryotic cell-cycle is divided into four sequential phases: G1, S, G2 and M. G1, S and G2 together are called interphase. Cells are...

