Rhythmicity in the Basipetal Transport of Indoleacetic Acid through Coleoptiles

J Shen-Miller1

  • 1Division of Biological and Medical Research, Argonne National Laboratory, Argonne, Illinois 60439.

Plant Physiology
|April 1, 1973
PubMed

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Short-distance Transport of Resources02:12

Short-distance Transport of Resources

Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.