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cell cycle

The DNA is organized into structures called chromosomes
riosomoes are in bacteria and a single circular structure of DNA.
Cell division in these cells is very simple. They split into 2 new cells with one copy of DNA. The division is called ______________________________. binary fission
humans have pairs of homologous 23
how many chromosomes do we have in all 46
interphase stage 1
as the cell grows what dose it copy organelles and chromosomes
G1 first growth phase - cell doubles in size and doubles the number of organelles
S Synthesis phase DNA is replicated during this phase
G2 second growth phase Proteins are created to help the cell divide
mitosis second stage
The _ chromatids separate. The complicated process of chromosome separation is _ mitosi_. This process makes sure each new cell receives a copy of each chromosome and is divided into 4 phases: prophase, metaphase, anaphase, telophase
prophase he nucleus condenses to form chromosomes, spindle fibers form, and the nuclear membrane breaks down.
metaphase the chromosomes line up across the center of the cell and attaches to the spindle fibers.
anaphase the centromeres split, the chromatids separate, the cell stretches and begins to pull apart.
telophase chromosomes begin to stretch out and a new nuclear membrane forms around the chromosomes
cytokinesis The cell divides and produces two cells that are identical to the original cell.
Created by: kearly