Tiêu đề 11 Transport in plants ppt - part 1.pdf ✅

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• Plants do not have interstitial fluid and circulatory system. • But they need to move various substances (water, minerals, organic nutrients, growth regulators etc.) over long distances. bankofbiology.com
 Unidirectional transport: E.g. Transport of water and minerals in xylem (from roots to stems, leaves etc.).  Multidirectional transport: E.g. Transport of photosynthates (organic compounds), transport of mineral nutrients etc. bankofbiology.com Direction of transport Sometimes, plant hormones and other chemical stimuli are transported in a polarized or unidirectional manner from where they are synthesized to other parts.