Saturday, August 29, 2009

Prokaryotic cell parts and functions


This is a prokaryotic cell. Note the parts and their functions:

Ribosomes: synthesize proteins
Plasmids: extracellular DNA transmitted through conjugation, ex: creates antibiotic resistance
Flagella: used for motility (movement)
Cell wall: supports and protects
Plasma membrane: controls what enters (nutirents) and leaves (wastes) the cell
Chromosome: contains DNA, instructions for the cell
Cytoplasm: jellylike, contains nutrients and chemicals needed for reactions
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