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Core organelles are found in virtually all eukaryotic cells. They carry out essential functions that are necessary for the survival of cells – harvesting energy, making new proteins, getting rid of waste and so on. Core organelles include the nucleus, mitochondria, endoplasmic reticulum and several others
Endoplasmic reticulum (ER)
Centrioles
new cells
Old cells and/or stem cells.
Cell division is responsible for growth because the new cells replace the dead cells in an organism. The new cells keep the organism alive by continuing to the job of the cell that it divided from.
Bone Marrow
The Golgi Complex/Apparatus
Congress
Regeneration. If the cells didn't make new ones, the organism would die.
Mitosis
Cells