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why are cells so small
messages from the nucleous must be able to reach all parts of the cell
if the cell was too big, diffusion would happen too slowly
a bigger call needs more nutrients but has relatively less surface area to take in nurtients
the life of a cell from the end of one cell division to the end of the next cell division
chromosones codense from chromotin to chromotids
nuclear envelope starts to disspear
centorioles start going to the ends of the cell and spindle fibers form
sister chromotids are pulled apart
spindle fibers pull the chromotids to opposite ends of cell
animal cells have cleavage furrow
plant cellls begin to form a cell plate
nuclear envelope built from ER around each set of chromosones nucleus reforms
chrmosones become chromatin
final division of cytoplasm so there is two separate cells
animals-cell membrane pnches off
plants- cell plate forms new cell membrane dividing the daughter cells
regulate process so there is no mistakes
only lets the cycle begin when other cycles are done
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