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Answer variants:
Endoplasmic reticulum
Osteoblast
Chlorophyll
Odontoblast
Ribosome
Vacuole
Chromatin
Tonoplast
Vacuole
1. The Membrane that surrounds the vacuoles is
2.The proteins and lipids needed to build the cell membrane, which are mainly synthesized by
3. Organelle without a cell membrane is