Mitosis
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name the phase a cell is in before mitosis takes place
interphase
nam the 4 cases of mitosis
prophase metaphase anaphase telophase
why do cells under go mitosis
for growth repair asexual reproduction
what happens in prophase
the nuclear membrane disappears the nucleolus disappears the centrosome splits into two centrioles there a visible chromosomes
what does metaphase send for
middle
what happens in metaphase
centrioles are at opp poles chromosomes align at the equator centrioles form spindle fibres which attach to the centromere
what does anaphase stand for
away
what happens in anaphase
spindel fibres contract the centromere splits one copy of each chromosome is pulled to opposite poles
what happens in telophase
cytokinesis takes place is the vision of the cytoplasm to form two identical cells (daughter cells)
how does cytokinesis take place in animals and plants
animals -the cytoplasm constricts (pinchestoghter) forming a cleavage furrow at the equator of the cell. in late telophase it deepens to divide the cytoplasm into two identical cells each with its own nucleus
how does cytokinesis take place in plants
in plants a cell plate form between the two nuclei , which divides the cell into two identical cells. the cell plate becomes the new middle lamella