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Ribosomes are large riboprotein complexes involved in polypeptide chain formation.

Given their function, which of the following statements regarding the location of ribosomes in the eukaryotic cell are TRUE? Select ALL that apply.

A

Free ribosomes can be found inside the nucleus because this is where the genetic information for creating the proteins are found.

B

Membrane-bound ribosomes are on the surface of rough endoplasmic reticulum (rER) because this is the location where membrane and secreted proteins are synthesized.

C

Free ribosomes are located inside the Golgi apparatus because this is the site of protein modification and packaging into vesicles.

D

Due to the endosymbiotic origin of mitochondria, free ribosomes are found inside the mitochondrial matrix.

E

Free ribosomes are found in the cytosol because proteins are needed here.

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