Which organelle controls all cell activities and protein production and contains the DNA and nucleolus?

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Multiple Choice

Which organelle controls all cell activities and protein production and contains the DNA and nucleolus?

Explanation:
The nucleus functions as the cell's control center, containing the DNA and the nucleolus, and directing all cell activities. The DNA holds the instructions for making every protein the cell needs, and the nucleus regulates when and how these genes are expressed. It also houses the nucleolus, where ribosomal RNA is made and ribosome assembly begins, linking genetic information to the machinery that builds proteins. While ribosomes carry out protein synthesis, they rely on messages transcribed in the nucleus to know what to assemble. That coordinating role is why the nucleus is the best answer here.

The nucleus functions as the cell's control center, containing the DNA and the nucleolus, and directing all cell activities. The DNA holds the instructions for making every protein the cell needs, and the nucleus regulates when and how these genes are expressed. It also houses the nucleolus, where ribosomal RNA is made and ribosome assembly begins, linking genetic information to the machinery that builds proteins. While ribosomes carry out protein synthesis, they rely on messages transcribed in the nucleus to know what to assemble. That coordinating role is why the nucleus is the best answer here.

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