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Stack #1089790
Chapter 36, part 35 Study Guide
| Question | Answer |
|---|---|
| Membrane | A separation of opposite charges across a membrane |
| Casparian | a belt at the endodermis made of a waxy material called suberin which forces the water to move through a cell, giving the plant control of what goes in |
| Percicyle | the outer most cell layer in the vascular cylinder from which lateral roots arise. Because of this the vascular system of the new root is continuous with that of the established root |
| Negative | The water in xylem is under this type of pressure, or "tension", making it snap back when the stem is cut |
| Adhension | is the attraction of water molecules to the hydrophilic walls of the xylem, which helps to offset the force of gravity |
| Cohension | is the attraction of water molecules for other water molecules |
| Lateral | meristems responsible for secondary growth (growth resulting increased thickness) |
| Guttation | exudation of water droplets from the leaf margins in some small plants caused by high root pressure sometimes |
| Source | in a plant organ that is a net producer of sugar |
| Spongy | these mesophyll cells re loosely arranged on the lower part of the leaf |
| Active | transport requires energy for the pumping of solutes across membranes |
| Sink | plants organ that is a net consumer of sugar, and a sugar |
| Stomata | opening when guard cells actively accumulate K+ from neighboring cells. This accumulation causes the guard cell water potential to become more negative, and water flows in, making the guard cells more turgid |
| Zerophytes | Plants that are adaptive arid climates are called, and have various leaf modification that reduce the rate of transpiration |
| Apical | Meristems that are responsible for primary growth |
| Positive | The water in living cells usually exhibits this type of pressure, which makes them turgid |
| Palisade | this type of mesophyll cells consists of one or more layers of elongated cells on the upper part of the leaf |
| Tonoplast | the vacuolar membrane that regulates molecular traffic between the cytosol and the vascuolar contents |
| Transpirational Pull | explains the movement of water through plants; a process in which the water pressure gets progressively more negative as the water moves from the root to the atmosphere |
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