Cell Cycle

Cell Cycle - 1 Chromosomes, the cell cycle and cell...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Chromosomes, the cell cycle and cell division Requirements for cell division Four events must occur for cell division: • Reproductive Signal: to initiate cell division • Replication: of DNA • Segregation: distribution of the DNA into the two new cells • Cytokinesis: separation of the two new cells 2 Prokaryotic Cell Division • Most prokaryotes have one chromosome, a single molecule of DNA; usually circular . • Based on environment Two important regions: • ori —where replication starts • ter —where replication ends Eukaryotic Division • Cell division, not environment dependent • Mitosis is the process of cell division • Nucleus must be divided before cytokinesis • Cytokinesis is different in plant and animal cells 2 Prokaryotic Cell Division • Most prokaryotes have one chromosome, a single molecule of DNA; usually circular . • Based on environment Two important regions: • ori —where replication starts • ter —where replication ends Eukaryotic Division...
View Full Document

This note was uploaded on 04/26/2009 for the course LIFESCI 2 taught by Professor Pires during the Winter '08 term at UCLA.

Page1 / 11

Cell Cycle - 1 Chromosomes, the cell cycle and cell...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online