Answers

2015-09-22T16:57:30+05:30
1 Cheek  cells are a part of simple squamous epithelium,an animal tissue.onion cells are plant cells.
2 onion cells have a cell wall,while cheek cell do not.
3 onion cells contain plastids such as chloroplast.animal cell do not.
4 cheek cells are irregularly shaped,onion cells have a fixed rigid rectangular shape. 
5 onion cells lack the organelle centriole while cheek cells have it.
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2015-09-22T17:44:09+05:30
HUMAN CHEEK CELLS
1.A LARGE NUMBER OF CELLS ARE OBSERVED.
2.CYTOPLASM IS GRANULAR.
3.CELLS LACK CELL WALL,LARGE VACUOLES  AND PLASTIDS.

ONION CHEEK CELLS
1.THERE ARE A LARGE NUMBER OF BRICK-SHAPED CELLS.
2.A DISTINCT DARK NUCLEUS IS PRESENT.
3.A PROMINENT  VACUOLE IS PRESENT.
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