![]() ![]() Chromosomes replicate Cell membrane pushes inward Cell divides in two, each with a chromosome Through cell division the numbers are increased Cell then specialise and change into their various roles (blood cell, bone cell, nerve cell, etc)Ĥ Why do cells divide? Growth Reproduction Replacement of dying cells – skin, blood cellsĬell division in prokaryotes: Binary fission Bacteria have a single chromosome (versus the 46 humans have). 2 Cell Review Cells have DNA, the information needed for life.ĭNA is packaged into something called chromosomes.ģ Cell division All complex organisms originated from a single fertilized egg.
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