AEBI 120 Lecture Notes - Cell Theory, Nucleoid, Nucleolus
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September 14th, 2011
Modern Cell Theory
-All living matter is made of cells
-Cells give rise to other cells
-All ordered metabolic reactions occur within cells
-All cells contain DNA which is transmitted from the parent to the offspring
Smaller cells are more productive and efficient because of the ratio of the surface area to the
volume, so they have a higher metabolism than large cells.
-no nucleus, so genetic material (DNA) floats in the
-contain only cell walls and ribosomes
-Have cell walls, a nucleus (DNA surrounded by a membrane), and organelles (ribosomes,
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