What is a nucleus?
Understand the Problem
The question is asking for the definition or information about a nucleus. This could be in the context of biology (cell nucleus) or physics (atomic nucleus).
Answer
The nucleus is the cell's control center, containing chromosomes and regulating cell activities.
The nucleus is a membrane-bound organelle within a cell that contains the chromosomes and controls the cell's activities. It houses the cell's genome and serves as the control center.
Answer for screen readers
The nucleus is a membrane-bound organelle within a cell that contains the chromosomes and controls the cell's activities. It houses the cell's genome and serves as the control center.
More Information
The nucleus is found in eukaryotic cells, which are cells that have a defined nucleus. Prokaryotic cells, like bacteria, do not have a nucleus.
Tips
A common mistake is thinking the nucleolus, which is within the nucleus, is the same as the nucleus itself.
Sources
- Nucleus - National Human Genome Research Institute - genome.gov
- Nucleus | Definition, Function, Structure, & Facts - Britannica - britannica.com
- The Nucleus - The Cell - NCBI Bookshelf - ncbi.nlm.nih.gov
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