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Cellular Ultra structure

Eukaryotic Cells: with nucleus




Cytoplasm: Contains enzymes for glycolosis and other metabolic reactions together with amino
acids, salts, sugars and nucleotides as well as everything else needed by a cell.

Nucleus: Largest organelle surrounded by nuclear envelope which is a double membrane with
nuclear pores, holes containing…

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visible under light microscope.

Cell Membrane: Phospholipid bilayer, thin and flexible, separates cell from outside environment
and controls exit and entry of materials.


Prokaryotic Cells: no nucleus




Cytoplasm: Contains all enzymes needed for function.
Ribosomes: Smaller 70S type.
Nucleoid: Region of cytoplasm that contains DNA, not surrounded by nuclear envelope.…

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