In what structure of the mammalian cell are proteins synthesized?


Quick Answer

Proteins of the mammalian cell are synthesized on ribosomes that are either free in the cytosol or attached to the endoplasmic reticulum. Ribosomes suspended in the cytosol make proteins that function in the cytosol. Bound ribosomes make proteins that are included in the cell's membrane or exported from the cell.

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Full Answer

The ribosome consists of RNA and proteins. There are two subunits to the ribosome; one is large in size and the other is small. These join together during protein synthesis when the ribosome attaches to messenger RNA (mRNA). Protein synthesis takes place by two processes known as transcription and translation.

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