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Cell Cycle: MITOSIS (Biology Performane Task by Demir Berk Koca) resim…
Cell Cycle: MITOSIS (Biology Performane Task by Demir Berk Koca)
Stages of Mitosis
Interphase
S
This stage follows after G1, during which DNA duplicates as well as the chromatin fibers
G2
During this stage DNA repair and synthesis of necessary proteins for the mitosis takes place/ In this stage the chromatin ibers# they are the future chromosomes# are duplicated but joined through the centromere/
G1
This stage follows after cytokinesis and intense biochemical activity is performed during this period. Cell increases in size and synthesizes all proteins and enzymes needed for the future duplication of its genetic material.
Mitotic phase
Metaphase
At this stage the chromosomes reach the hightes degree of condensation and move# aided by the spindle united to each chromosome by the kinetochore# to aligne along the equatorial plate of the cell.
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Anaphase
The third stage of mitotic phase, between metaphase and telophase, during which the chromosomes move away from one another to opposite poles of the spindle.
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Prophase
The first stage of mitotic phase, before metaphase, during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears. The first prophase of meiosis includes the reduction division.
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Telophase
The cromosomes reach the poles of the cell and begin their decondensation# the spindle is disassembled and the nuclear envelope of the new nuclei as well as the nuclei are reorganized
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Cytokinesis
Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells.
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What is mitosis?
a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
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