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an organelle or cell structure in which a protein may be found before being secreted from...

an organelle or cell structure in which a protein may be found before being secreted from the cell. (2 answers )

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Answer #1

An organelle or cell structure in which a protein may be found before being secreted from the cell.

  • Rough endoplasmic reticulum: rough endoplasmic reticulum has organelles That are responsible in manufacturing of proteins and thus it gives a rough appearance to the organelle. The site of binding at the ribosome, that is present on the RER, are translocons. Though, ribosomes do not form a stable part of the structure of this organelle, as these would constantly be bound to the membrane and would be released from the membrane. The ribosome would only bind to the RER after a specific complex, the protein nucleic acid, would be formed from the cytosol. As the ribosome would begin to translate the mRNA, this complex would be formed, that is destined towards the secreting pathway.
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