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Question

Which of the following is the main difference between onion peel cells and human cheek cells?


A
Presence of mitochondria in onion peel cells only
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B
Presence of cell wall in onion peel cells only
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C
Absence of plasma membrane in cheek cells
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D
Absence of endoplasmic reticulum
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Solution

The correct option is B Presence of cell wall in onion peel cells only
All living things are composed of cells. They are the building blocks of all life. Cells come in many different shapes and have different functions. Plant and animal cells are different, too. The main difference between plant and animal cells is that plant cells have a cell wall on the outer layer, whereas animal cells only have a cell membrane. The cell wall is a protective layer outside the cell membrane that also provides support for the cell's structure.

Biology

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