A eukaryotic cell is shown. 1: A large, circular organelle in the middle of the cell. 2: A folded, smooth organelle close to number one. 3:  An organelle touching number two that looks nearly identical.  It is covered in black dots. 4: A free floating, bean shaped organelle filled with folds.

Image source: By Chippolito (Own work) CC BY-SA 3.0, via Wikimedia Commons

Which of the structures above works most closely with ribosomes?

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Type a concept, like “slope” or “photosynthesis”.

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