chapter34 and 35 - stems, roots and transport

chapter34 and 35 - stems, roots and transport -...

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Chapters 34, 35 Stems perform three main functions in plants: support leaves and reproductive structures, produce new living tissue, and maintain a vascular system that is continuous from roots to stems, through leaves and reproductive structures
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Monocot Eudicot Corn Stem (monocot) Sunflower (eudicot)
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Primary tissue growth Secondary tissue growth
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Water and dissolved minerals move from soil into root tissues (epidermis, cortex )……………………………………………………..
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Fig 34-10: NB: cuticle
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Guttation on a Equisetum fluviatile by Luc ViatourGFDL Guttation [General] Wayne - [email protected] prings.com
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Leaf xylem TRANSPIRATION ( GUTTATION) Stem xylem Root Xylem ROOT Water moves into root cells by diffusion; mineral ions by active transport SOIL TENSION (TRANSPIRATION)- COHESION MODEL** Rf: Fig 35-11 ROOT PRESSURE
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Dissolved sugar (predominantly sucrose) is translocated both upward and downward in
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