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ribosome

site of protein synthesis

free ribosome

makes proteins to be used within the cell

nucleus

found in eukaryotic cells, bound by the nuclear envelope

nucleolus found in the nucleus

site of ribosome synthesis

cell membrane synthesis

one function of the smooth endoplasmic reticulum (cells)

transport vesicles

releases from the RER and carries proteins that are: either part of the membrane, are exported from the cell like insulin, or are taken to the golgi apparatus where sugars are added to the protein and put to special use

exocytosis

release of substances to the outside of the cell membrane

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