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Involvement of K+ in Leaf Movements During Suntracking
Title: Involvement of K+ in Leaf Movements During Suntracking
Category: Science & Technology / Biology
Details: Words: 2336 | Pages: 9.9 (approximately 235 words/page)
Involvement of K+ in Leaf Movements During Suntracking
Involvement of K+ in Leaf Movements During Suntracking
Introduction
Many plants orient their leaves in response to directional light signals. Heliotropic movements, or movements that are affected by the sun, are common among plants belonging to the families Malvaceae, Fabaceae, Nyctaginaceae, and Oxalidaceae. The leaves of many plants, including Crotalaria pallida, exhibit diaheliotropic movement. C. pallida is a woody shrub native to South Africa. Its trifoliate leaves are connected to the petiole by 3-4 mm long …showed first 75 words of 2336 total…
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…showed last 75 words of 2336 total…C. pallida, and the suntracking ability of the plant will then be measured. Tetraethylammonium (TEA), a K+ channel blocker will be added to test whether K+ is involved in suntracking. Likewise, , a Cl- channel blocker will be added to determine if Cl- is used. Vanadate, a H+/ATPase inhibitor, will determine if hydrogen ions are pumped across the plasma membrane, causing a hyperpolarization of the membrane. Fusicoccin, a H+/ATPase activator will also be tested .
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