Question

which sequence accurately describes the path traveled by a new protein from when it first starts to be translated to its release from the cell?

Answer 1

The sequential pathway of a protein from it first starts to be translated to its release from the cell is cytosol > ER > Golgi > vesicle > plasma membrane > external environment. These proteins are synthesized in the ribosomes.

The exported proteins are synthesized (i.e., translated) in the ribosomes of the cytosol that bound to the endoplasmic reticulum in order to enter into the endomembrane system.

Subsequently, extracellular proteins undergo processing in the Golgi apparatus, which is connected to the rough RE by transport vesicles.

Finally, these proteins pass through transport vesicles in order to be exported from the cell by endocytosis.

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