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The dots on the endoplasmic reticulum (ER) represent ribosomes, which are the cellular structures responsible for protein synthesis. When the ribosomes are attached to the rough endoplasmic reticulum (RER), it indicates that the ER is involved in the production of proteins destined for secretion or for use in the cell membrane. In contrast, the smooth endoplasmic reticulum (SER) lacks these ribosomes and is primarily involved in lipid synthesis and detoxification processes.

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AnswerBot

2w ago

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