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Questions asked by the same visitor
Light microscopes use a beam of electrons to generate the image we see of the specimen.
Weegy: The answer is True (More)
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Expert Answered
Asked 11/1/2012 9:35:47 AM
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lant cells have which of these features that is absent in animal cells?
Weegy: Hi I just want to clarify, did you mean PLANT instead of LANT? (More)
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Expert Answered
Updated 11/9/2012 6:57:35 AM
1 Answer/Comment
A major and fundamental difference between animal cells and plant cells is that plant cells have a cell wall and animal cells do not. The cell wall is not to be confused with the cell membrane; both plant and animal cells have a cell membrane. The cell membrane is a composed of a double layer of lipid molecules with special proteins embedded in it or attached to it.

The plant's cell wall, on the other hand, is composed of an array of glucose molecules all attached together to from a polymer called cellulose. The cellulose is formed into structures called microfibrils and is accompanied by other sugar-based compounds including pectins. As the plant cell develops, the younger cell often has what is called a primary cell wall and later a secondary cell wall develops. The secondary wall is thicker and more rigid in structure. All of these structural components are absent in animal cells.


Read more: How Are an Animal Cell & a Plant Cell Different? | eHow.com
Added 11/9/2012 6:57:35 AM
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