Glossary

nucleus

The nucleus is like the brain of the cell. It tells all of the other cell parts what to do. If there is more than one nucleus, they are called "nuclei."

Description | Source

Pictures of nuclei show them cut open. The ball inside is called the "nucleolus." Inside of the nucleolus is the DNA of the cell. DNA is the information of the cell.http://adamapollo.info/img/uni/1-cell-nucleus.jpg

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nucleus