8 Ch. 4 - Chapter4 18:32...

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Chapter 4 18:32 Nucleolus- inside the nucleus, related to ribosomal RNA Chromosome- genetic material in the nucleus Cell walls- cellulose (plants) / chitin (fungi) Cell movement- flagellum Mitochondria- used for ATP production Chloroplast used in photosynthesis o Mitochondria and chloroplast have similarities Ribosomes- used for protein synthesis  o Exports proteins to other areas of the body Endomembrane system o Rough Endoplasmic Reticulum- ribosomes o Smooth Endoplasmic Reticulum- no ribosomes * Small cells function more effectively, because as cells become larger their  surface area to volume ratio decreases Transduction- the transfer of bacteria * Cell theory  Schlieden and Schwann o All organisms are composed of one or more cells o Cells are the smallest living things o Cells arise only by division of a previously existing cell o Cells vary in size and shape
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This note was uploaded on 11/14/2010 for the course BIO 1105 at Virginia Tech.

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8 Ch. 4 - Chapter4 18:32...

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