5- Cells-The Basic Unit of Live_Review Sheet

5 Cells-The Basic - Cells-The Basic Unit of Life Exercise 5 Review Sheet Scientific Theories What are the basic features of the cell theory All

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Exercise 5 Review Sheet Scientific Theories What are the basic features of the cell theory? All organisms 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 membrane bound organelles, and a nucleus. Prokaryotic cells do not have a nucleus or membrane bound organelles. Instead DNA is found in the nucleoid region. BOTH have ribosomes, DNA, cell membrane, and cytoplasm. What is endosymbiosis? (p.64) The process by which a new organism originates from the fusion of two existing organisms. What is the endosymbiosis theory? The Endosymbiotic Theory was used to explain the existence of chloroplasts and mitochondria. The endosymbiotic theory attempts to explain the existence of which two organelles? Explains the concept that mitochondria and chloroplasts are the result of years of evolution initiated by the endocytosis of bacteria and blue-green algae which, instead of becoming digested, became symbiotic. What evidence is there for the endosymbiotic theory? The mitochondrion resembles bacteria and chloroplasts resemble blue-green algae. Differences in Cells -What are some major differences between plant and animal cells? Plant cells are more regularly shaped then an animal cell which can be whatever shape
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This note was uploaded on 06/28/2008 for the course BIOL 111 taught by Professor Rizzo during the Spring '07 term at Texas A&M.

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5 Cells-The Basic - Cells-The Basic Unit of Life Exercise 5 Review Sheet Scientific Theories What are the basic features of the cell theory All

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