5.1c Storyboard: Evolution of Eukaryotes
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Two prokaryotes turning into a eukaryotic cell began with a process called endosymbiosis. One large prokaryote engulfs (a process called endocytosis) one small, aerobically respiring prokaryote.
Im going to engulf you!!!
The small prokaryote turned into a membrane-bound organelle, which prokaryotes do not have, and like we know, only eukaryotes have membrane-bound organelles. So that is how the eukaryotic cell structure evolved from prokaryotic cells.
The major difference between prokaryotes and eukaryotes is that eukaryotic cells contain membrane-bound compartments in which specific metabolic activities take place. Most important among these is the presence of a cell nucleus, a membrane-delineated compartment that houses the eukaryotic cell's DNA. It is this nucleus that gives the eukaryote its name, which means "true nucleus.
yay i have a nucleus!
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