25 BISC_120 Plant structure, g & d POST

25 BISC_120 Plant structure, g & d POST - 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 ³6WUDQJOLQJ´ 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 10/29/2010 for the course BISC 13004 taught by Professor Wetzer during the Fall '09 term at USC.

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25 BISC_120 Plant structure, g & d POST - 10/22/2010...

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