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Unformatted text preview: 2. Collenchyma – “glue” a. Thickened cell walls b. Occur in bundles, makes celery stringy c. Long, pliable d. Alive when mature e. Rich in pectin jelly f. Found in: i. Leaf perioles, nonwoody stems, and growing organs 3. Schlerenchyma a. Thickened 2 nd cell wall b. Dead when mature, non growing part c. Lignin d. Structure and support e. Protection of seeds and fruits f. Different types i. Sclerids- groups of cells, make pears gritty ii. Fibers- what we wear 1. Fibers in tree bark 4. Ground tissue a. Everything else b. Metabolically active c. Photosynthetis, storage (parachma) d. Support (sclerenchyma and collenchyma) e....
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This note was uploaded on 09/15/2009 for the course BIOE 20B taught by Professor Williams during the Spring '09 term at UCSC.
- Spring '09