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I need help with some questions.

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1.List cell structures that you can observe using the compound light microscope.

2.List cell structures too small to observe using the compound light microscope.

3.There were no chloroplast in onion cell preparations, yet onions are plants.Explain why.

Oct 4th, 2014

1. Such resolution is good enough to see most bacteria and some mitochondria and microvilli.

Read more: http://www.biologyreference.com/La-Ma/Light-Microscopy.html#ixzz3FCt6me00

2.The cytoskeleton (three kinds), ribosomes,nuclear pore,peroxisome,vessicle,middle lamella (plant), intercellular spaces (plant).

3. Onions are root plants they do not photosynthesize so there are no chloroplasts,. Onion cells have cell membrane, cytoplam and are of square shape.

{Animal cells are round and irregular in shape while plant cells have fixed, rectangular shapes.}


Ref

http://www.diffen.com/difference/Animal_Cell_vs_Plant_Cell

http://biologycorner.com/worksheets/cell_lab_plant_key.html


Oct 4th, 2014

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