Cell structures lesson1

Cell structures lesson1 - -like structure in cytoplasm...

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Chapter 2 “Cells” Section 1: “Cell Structure Pages 38 – 40
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COMMON CELL TRAITS A cell is the smallest unit that is capable of performing life functions .
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COMPARING CELLS The size of a cell relates to its function . (job it does)
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Prokaryotic Cells (proh KAYR ee yah tihk) cells without membrane- bound structures EX : bacteria pond scum
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Eukaryotic Cells (yew KAYR ee yah tihk) cells with membrane- bound structures EX: animals , plants , fungi and protists
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protects the cell gives shape is made of cellulose A cell wall is found in plants , algae , fungi , & most bacteria . CELL WALL
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CELL MEMBRANE Outer covering, protective layer around ALL cells For cells with cell walls,the cell membrane is inside the cell wall Allows food , oxygen products out of the cell.
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CYTOPLASM gelatin-like inside cell membrane constantly flows aka protoplasm
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CYTOSKELETON scaffolding
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Unformatted text preview: -like structure in cytoplasm helps the cell maintain or change its shape made of protein NUCLEUS Directs all cell activities Contains instructions for everything the cell does These instructions are found on a hereditary material called DNA Usually the largest organelle NUCLEAR MEMBRANE separates nucleus from cytoplasm controls movement of materials in & out of nucleus NUCLEOLUS Aka little nucleus Found in the nucleus CHROMATIN contains genetic code that controls cell made of DNA & proteins This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching....
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This note was uploaded on 11/07/2011 for the course BIOLOGY 100 taught by Professor Staff during the Winter '08 term at BYU.

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Cell structures lesson1 - -like structure in cytoplasm...

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