All proteins are synthesized by ribosomes in the cell. Some ribosomes float free

Question

All proteins are synthesized by ribosomes in the cell. Some ribosomes float freely in the cytosol, while others are bound to the surface of the endoplasmic reticulum. Most proteins made by free ribosomes function in the cytosol. Proteins made by bound ribosomes either function within the endomembrane system or pass through it and are secreted from the cell. Which of the following proteins are synthesized by bound ribosomes Actin DNA polymerase Lysosomal enzyme Ribosomal Protein Insulin ER transmembrane protein 1, 2, 4 2, 3, 4, 5, 6 1, 3, 6 3, 5, 6

Explanation / Answer

The proteins synthesized by bound ribosomes are lysosomal enzymes, insulin and endoplasmic reticulum protein

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