Biology 111 - Cells - The Basic Unit of Life Review

Biology 111 - Cells - The Basic Unit of Life Review -...

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Cells-The Basic Unit of Life Exercise 5 Review Sheet Scientific Theories What are the basic features of the cell theory? All organism are composed of cells, cells are the basic structural and functional unit of life, cells come from other cells. What is the difference between a eukaryotic and prokaryotic cell? Eukaryotic cells have a nucleus, have membrane bound organelles. Prokaryote cells do not have a nucleus or membrane bound organelles and DNA is found in the nucleoid region. What is endosymbiosis? (p.64) The process by which a new organism originates from the fusion of two existing organisms. What is the endosymbiotic theory? Mitochondria and chloroplasts have closed, circular DNA like bacteria, they have their own bacteria-like ribosomes, outer membrane structure similar to bacteria, mitochondria and bacteria divide by fission The endosymbiotic theory attempts to explain the existence of which two organelles? Mitochondria and Chloroplasts
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This note was uploaded on 04/13/2008 for the course BIOL 101 taught by Professor Hall during the Fall '07 term at Texas A&M.

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Biology 111 - Cells - The Basic Unit of Life Review -...

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