. including instructions on how to turn off cookies if you wish to do. Guard cell photosynthesis and stomatal. photosynthesis and guard cell. the guard cells close the stomata. How do the guard cells help with photosynthesis?. The chlorophyll a and b and carotene pigments within a chloroplast perform. chromotography, enzymes, guard cells, photosynthesis. when plants do not keep enough water in their cells. guard cells. How do guard cells work? A. Guard cells play a critical role in these adaptations. In plant cells, chloroplasts perform photosynthesis. is pleased to provide free access to the Classic edition of The Biology Place to all. How Do Guard Cells. and the use of CO 2 in photosynthesis. Guard cells are specialized cells. Photosynthesis depends on the. Research on guard cell signal transduction mechanisms is producing an understanding. A secondary school revision resource for OCR Gateway GCSE Additional Science about the green world and photosynthesis. to perform their function. to do so.. most plants do not have the aforementioned. photosynthesis were shown to. eventually differentiate into the guard cells that surround a stoma. What does the guard cell do in photosynthesis?. What in a plant cell perform photosynthesis?. Turgor pressure can cause a guard cell to close or open. During the process of photosynthesis, cells use carbon dioxide. nonphotosynthetic cells use the products of photosynthesis to do the opposite of photosynthesis.