Biology Notes 2-25-08

Biology Notes 2-25-08 - Biology Notes for Test 2 February...

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Biology Notes for Test 2 February 25, 2008 Developing root cells: 1) divide 2) expand 3) expand some more 4) stop If you mark a root cell it will not move if the cell is fully developed. But the closer the X is to the end of the root, it will expand and move downward until it is fully developed, then the X will stay in the same place. What is in a plant root in terms of cells and tissues? Typical Plant Cell 1) cell wall (cellulose and pectin) 2) eukaryote > nucleus 3) plastids 4) large vacuole 5) mitochondria 6) often isodiametic (spherical) Known as Parenchyma Function: alive, divide, respire, photosynthesis, storage Simple tissue: tissue material make of only 1 cell type. 1
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Biology Notes for Test 2 February 25, 2008 Complex Tissues: Xylem and Phloem 2
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Biology Notes for Test 2 February 25, 2008 Vocabulary: Isodiametric - having the diameter similar throughout, as a cell. Vacuole - A small cavity in the cytoplasm of a cell, bound by a single membrane and containing water, food, or metabolic waste. Parenchyma - the primary tissue of higher plants composed of thin-walled cells that
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Biology Notes 2-25-08 - Biology Notes for Test 2 February...

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