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Acetabularia used in Hammerling’s nucleocytoplasmic experiments is

1. unicellular fungus
2. multicellular fungus
3. unicellular uninucleate green algae
4. unicellular multinucleate green algae

Correct answer: unicellular multinucleate green algae

Solution

Acetabularia is a large unicellular green alga, and its cell contains multiple nuclei, which made it useful in nucleocytoplasmic experiments. Hammerling used it to demonstrate that the nucleus controls cell development.

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