A microscope slide of plant cells.  Each cell is surrounded  by a square cell wall.

Cells of elodea (a water plant) under a microscope.

Image source: By FickleandFreckled CC BY 2.0 via flickr.com

What carbohydrate is responsible for the square shape and rigid structure of plant cells?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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