Is the Nuclear Membrane an Organelle?

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The discussion centers on the classification of the nuclear membrane as an organelle within the endomembrane system of eukaryotic cells, which includes various structures such as the endoplasmic reticulum, Golgi apparatus, lysosomes, vesicles, endosomes, and the cell membrane. There is uncertainty regarding whether membranes of mitochondria and chloroplasts should also be considered organelles, highlighting inconsistencies in definitions across different sources. The conversation suggests that reliance on Wikipedia may not be sufficient for academic purposes, particularly if textbook definitions differ from online resources.
gracy
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I am quoting from wikipedia
https://en.wikipedia.org/wiki/Endomembrane_system
"In eukaryotes the organelles of the endomembrane system include: the nuclear membrane, the endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, endosomes and the cell membrane."
From this question arises Is nuclear membrane organelle?I think ,yes!
are membranes of mitochondria ,chloroplast etc organelles?
 
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I'm not sure all sources use a consistent definition or organelle.

If your textbook differs, I doubt your teacher will accept an appeal to Wikipedia.
 

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