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Cell Structure - Basic Biology - Lecture Slides

Slides, Biology

Post: January 11th, 2013
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Its the important key points of Basic Biology are: Cell Structure, Fundamental Units of Life, Plasma Membrane, Cytoplasm, Region of DNA, Eukaryotic Cells, Lipid Bilayer, Cell’s Outermost Membrane, Foundation of Cell Membranes, Semifluid Substance
Its the important key points of Basic Biology are: Cell Structure, Fundamental Units of Life, Plasma Membrane, Cytoplasm, Region of DNA, Eukaryotic Cells, Lipid Bilayer, Cell’s Outermost Membrane, Foundation of Cell Membranes, Semifluid Substance
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Contents
Cell Structure Chapter 3 Docsity.com 3.2 What, Exactly, Is a Cell? Cells are the fundamental units of all life • All cells start life with a plasma membrane, cytoplasm, and a region of DNA which, in eukaryotic cells only, is enclosed by a nucleus Docsity.com Cell Structure • A plasma membrane surrounds the cell and controls which substances move in and out • Plasma membrane • Lipid bilayer – A cell’s outermost membrane – Structural foundation of cell membranes; mainly phospholipids arranged tail-to-tail in a bilayer Docsity.com Cytoplasm • An important part of homeostasis is maintaining the composition of cytoplasm, which differs from fluid outside the cell • Cytoplasm – Semifluid substance enclosed by a cell’s plasma membrane Docsity.com Organelles • Cell metabolism occurs in cytoplasm and internal compartments, including organelles • Organelle – Structure that carries out a specialized metabolic function inside a cell Docsity.com Prokaryotes..

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