Q:

What organelle is the site of protein synthesis?

A:

There are four organelles found in eukaryotic cells that aid in the synthesis of proteins. These organelles include the nucleus, the ribosomes, the rough endoplasmic reticulum and the Golgi apparatus. All of these organelles help produce and process proteins, but only the ribosomes actually piece together amino acids into proteins.

Ribosomes can be free-floating in the cell or attached to other organelles, such as the rough endoplasmic reticulum. These organelles receive RNA from the cell's nucleus and transcribe and translate the RNA into amino acids. The ribosome then assembles the amino acids into chains. Amino acid chains are also known as proteins. These proteins can then be transported to the rough endoplasmic reticulum and the Golgi apparatus for further synthesis and processing.

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Related Questions

  • Q:

    In which organelle does protein synthesis occur?

    A:

    Protein synthesis occurs within the rough endoplasmic reticulum and its ribosomes. When new polypeptides are formed during this process, they are threaded into the opening of the endoplasmic reticulum.

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  • Q:

    How does the nucleus control protein synthesis in cytoplasm?

    A:

    The nucleus controls protein synthesis in a cell's cytoplasm in the sense that the genetic codes contained in the nucleus determine the sequence of amino acids that are assembled to build the proteins. This is the only aspect of protein assembly directly controlled by the nucleus, while other mechanisms and structures in the cell are responsible for detecting which proteins are needed. The nucleus serves as a protein code database.

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  • Q:

    What are the three organelles involved in protein synthesis?

    A:

    There are four organelles that are involved in protein synthesis. These include the nucleus, ribosomes, the rough endoplasmic reticulum and the Golgi apparatus, or the Golgi complex. All four work together to synthesize, package and process proteins.

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  • Q:

    What is a cell organelle?

    A:

    An organelle is a unique part of a cell that has a specific function. The term is a combination of the word "organum," which means instrument or engine, and the suffix "-elle," which means small.

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