Unit 2 2.0 / 5 based on 2 ratings ? BiologyASEdexcel Created by: ChelseyCreated on: 20-12-12 19:27 Description and function of a cell wall? rigid structure that surrounds plant cells, mainly carbohydrate cellulose, it supports the plant cells 1 of 6 Description and function of a middle lamella? outermost layer of a cell, acts an adhesive, sticking adjacent cells together, gives plants stability 2 of 6 Description and function of a plasmodesmata? channels in cell walls that link adjacent cells together, allows transport between cells. 3 of 6 Description and function of pits? regions of cell wall where the wall is very thin, arranged in pairs, allows transport of substances between cells 4 of 6 Description and function of a chloroplast? flattened structure, double membrane, grana, site of photosynthesis 5 of 6 Description and function of an amyloplast? contains starch granules, storage of starch grains, convert starch back to glucose for release 6 of 6
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