No, not all cisternae are embedded with ribosomes. Only the rough endoplasmic reticulum (RER) contains ribosomes on its outer surface, which gives it its "rough" appearance. The smooth endoplasmic reticulum (SER) lacks ribosomes and appears smooth in electron micrographs.
No, not all cisternae are embedded with ribosomes. Ribosomes are found on the rough endoplasmic reticulum (RER), which is a network of flattened sacs (cisternae) covered in ribosomes. However, there is also a smooth endoplasmic reticulum (SER) which lacks ribosomes and is involved in different functions such as lipid synthesis, calcium storage, and drug detoxification. Additionally, other organelles like the Golgi apparatus also have flattened sacs (cisternae) but do not contain ribosomes. So, the presence of ribosomes on cisternae depends on the specific organelle and its function.
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Answer:
No, not all cisternae are embedded with ribosomes. Only the rough endoplasmic reticulum (RER) contains ribosomes on its outer surface, which gives it its "rough" appearance. The smooth endoplasmic reticulum (SER) lacks ribosomes and appears smooth in electron micrographs.
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Answer:
No, not all cisternae are embedded with ribosomes. Ribosomes are found on the rough endoplasmic reticulum (RER), which is a network of flattened sacs (cisternae) covered in ribosomes. However, there is also a smooth endoplasmic reticulum (SER) which lacks ribosomes and is involved in different functions such as lipid synthesis, calcium storage, and drug detoxification. Additionally, other organelles like the Golgi apparatus also have flattened sacs (cisternae) but do not contain ribosomes. So, the presence of ribosomes on cisternae depends on the specific organelle and its function.
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