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English: C3 and C4 plants(1) stomata stay open all day and close at night. CAM plants(2) stomata open during the morning and close slightly at noon and then open again in the morning. CAM plants(2) stomata open during the morning and close slightly at noon and then open again in the morning.
Stoma in a tomato leaf shown via colorized scanning electron microscope image A stoma in horizontal cross section The underside of a leaf. In this species (Tradescantia zebrina) the guard cells of the stomata are green because they contain chlorophyll while the epidermal cells are chlorophyll-free and contain red pigments.
English: Opening and Closing of Stomata 1-Epidermal cell 2-Guard cell 3-Stoma 4-K+ ions 5-Water 6-Vacuole a. Open stoma: stomata are the small pores in the epidermis of leaves. They are bordered by guard cells. The stomata open when the turgor pressure increases in the guard cells, causing the cells to buckle outward.
English: Diagram of stomata, one opened and one closed. No labels so can be labelled with {{Image label}} template. Date: 30 January 2016: Source: Own work: Author ...
This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Stoma diagrams. You can see its nomination here . Captions
Guard cells have cell walls of varying thickness(its inner region, adjacent to the stomatal pore is thicker and highly cutinized [7]) and differently oriented cellulose microfibers, causing them to bend outward when they are turgid, which in turn, causes stomata to open. Stomata close when there is an osmotic loss of water, occurring from the ...
During the night, a plant employing CAM has its stomata open, allowing CO 2 to enter and be fixed as organic acids by a PEP reaction similar to the C 4 pathway. The resulting organic acids are stored in vacuoles for later use, as the Calvin cycle cannot operate without ATP and NADPH, products of light-dependent reactions that do not take place ...
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