Regulating metabolism and controlling cellular reproduction by destruction of proteins is accomplished by

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Proteasomes are responsible for regulating metabolism and controlling cellular reproduction by destruction of proteins. They eliminate unwanted or damaged proteins by breaking them down into amino acids, which can then be used for other cellular processes or excreted from the cell. Peroxisomes are involved in lipid metabolism and detoxification, glyoxysomes are specialized peroxisome-like organelles found in plant seeds for lipid metabolism, and chromosomes are structures within the nucleus that contain genetic material. None of these organelles are directly involved in protein degradation.

Regulating Metabolism and Controlling Cellular Reproduction by Destruction of Proteins