Stomata: Where on plants can Stomata occur? ÷ Central cylinder ÷ Leaf upper side. = Leaf lower side ÷ Unifacial leaves ÷ Root epidermis ÷ Root bark ÷ Stem epidermis ÷ Stem bark What is the function of stomata? ÷ How are the cells called that line the the stoma and determine its opening? 3. 4 What phyical factor determines the functions and dynamics of stomata? cytoplasm} PICK ONE OPTION ONLY: 1.) Yes OR No Sugar content in 2.) Conduction of water (with xylem) Conduction of sugars (with phloem) Gas exchange and regulation of evaporation Photosynthesis light reaction Photosynthesis dark reaction 3.) Bundle sheeth Chlorenchyma Guard cells Palisade parenchyma 4.) Cytoskeleton Vacuole water pressure Cell membrane electropotential Potassium concentration in the Vacuole