A Positive Feedback Loop Causes a System to Change in the Opposite

question 62

True/False

A positive feedback loop causes a system to change in the opposite direction from which it is moving.

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Definitions:

Phytoremediation

The use of plants to remove, detoxify, or immobilize environmental contaminants in soil or water through natural processes.

Translocation

In genetics, structural rearrangement in which a broken piece of chromosome has become reattached in the wrong location. In plants, movement of organic compounds through phloem.

Casparian Strip

Waxy band between the plasma membranes of abutting root endodermal cells; forms a seal that prevents soil water from seeping through cell walls into the vascular cylinder.

Endodermis

In a plant root, a sheet of cells just outside the vascular cylinder. A Casparian strip between these cells prevents water from seeping through their walls.