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Ch. 13 Transport Processes, Cross-Link Connection: The Opuntina cactus has…
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Cross-Link Connection: The Opuntina cactus has flattened stems and tiny leaves. Xylem is a means of long-distance transport, carrying water from the tips of the plant's long roots up and throughout the stem. When the soft parenchyma of it cortex and pit have rotted away, only the vascular bundles were left.
Cross-Link Connection: Cultured cells that have been left in 12% mannitol for several hours have been severely plasmolyzed. Due to the solution, and the cells inability to thrive after a few days of this, all the cells have died.
Cross-Link Connection: Each leaflet compound in a leaf of Oxalis is joined by motor cells. Motor cells are turgid and leaflets are held in the sunlight. When exposed to full sunlight, the motor cells have lost water and potassium, and thus they are no longer turgid. This causes the leaflets to hang down minimizing their exposure. When the sunlight is not as intense the motor cells will absorb the water and potassium and raise the leaflets again.
