cellular structure leaf internal made many layers that are sandwiched between two tough |
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| navigate by keyword : anatomy biology cell cellular chlorophyll chloroplast cross cuticle education epidermis grass green guard illustration isolated layer leaf mesophyll microscopic nature nucleus palisade parts phloem photosynthesis plant research science section stoma structure vegetal vein xylem |
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| The outermost layer of the leaf is the epidermis. It consists of the upper and lower epidermis. The epidermis aids in the regulation of gas exchange. It contains stomata, which are openings through which the exchange of gases takes place. Two guard cells surround each stoma, regulating its opening and closing. Guard cells are the only epidermal cells to contain chloroplasts. |
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