10-22 Plant Structure, Growth, and Development

10-22 Plant Structure, Growth, and Development - 10/22/2010...

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10/22/2010 1 CHAPTER 35 Development Pp 738-761 The Doomsday vault Carved 390 feet into a mountain surrounded permafrost on the by Arctic island Spitsbergen the Svalbard Global vault contains a most valuable commodity of 120 nations. Against loss of most valuable resource the genetic plants. Teosinte wild grass of Mexico 8,000 years ago is now what crop? All about branching. Wild mustard ancestor of kale, broccoli, Brussels Fig. 35-1
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10/22/2010 2 Basic body plan of plants: organs, tissues Tissue -group of cells with common function/structure Organ- several types of tissues that together carryout Cells - Fundamental unit of organization Membranes are a key feature as in all organisms discussed thus far in class and will play an important .role in the next lecture . Fig. 7-7 Fibers of extracellular matrix (ECM) Glyco- protein Microfilaments of cytoskeleton Cholesterol Peripheral proteins Integral protein CYTOPLASMIC SIDE OF MEMBRANE Glycolipid EXTRACELLULAR SIDE OF MEMBRANE Carbohydrate Fig. 35-2 Reproductive shoot (flower) Apical bud Node Internode Apical bud Shoot system Vegetative shoot Leaf Blade Petiole Axillary bud Stem Taproot Lateral branch roots Root system Fig. 35-3
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10/22/2010 3 ROOTS Anchor, absorb , store Fig. 35-4 Prop roots “Strangling” aerial roots Storage roots Buttress roots Pneumatophores STEMS Fig. 35-5 Rhizomes Bulbs Storage leaves Stem Stolons Stolon Tubers
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10/22/2010 4 Fig. 35-5a Rhizomes LEAVES Major photosynthetic organ Fig. 35-6 (a) Simple leaf Compound leaf (b) Doubly compound leaf (c) Petiole Axillary bud Leaflet Petiole Axillary bud Leaflet Petiole Axillary bud Fig. 35-7 Tendrils Spines Storage leaves Reproductive leaves Bracts
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10/22/2010 5
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This note was uploaded on 02/06/2011 for the course BIO 120 at USC.

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10-22 Plant Structure, Growth, and Development - 10/22/2010...

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