BIOA02H3 Lecture Notes - Lecture 2: Eudicots, Primary Cell, Monocotyledon

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29 Aug 2016
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BIOA02H3 Full Course Notes
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Apical meristems are at the roots and at the shoot tips. Increases the height of shoot, and the length of roots. One cotyledon (seed leaves in plant embryos) Poplars, willows, oaks, cacti, roses, poppies, sunflowers, garden beans, peas. Ground tissues are all structurally simple but exhibit important differences, most of the plant body, functions in metabolism, storage, and support. Vascular tissues (xylem and phloem) are specialized for transport of water and nutrients. The dermal tissue system is skin-like and protects plant surfaces. Ground tissues are simple tissues, vascular, and dermal tissues are complex containing various types of specialized cells. Elongated cells in strands or sheath like cylinder. Pores in walls allow water to flow between the cells. Sclereids (protective casings), eg. peach pit- a) astrosclereid, b) stone cell grit in a. Vascular tissues: xylem tracheids and vessel members. Pairs of guard cells in leaf epidermis create stomata (openings) for gas exchange.

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