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The Nucleus and Nucleolus
By: Carla Lesheanna Destiny
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The nucleus The nucleus was the first organelle to be discovered .The nucleus also known as the control center is a membrane enclosed organelle found in eukaryotic cells. It contains most of the cell’s genetic material. The main structures making up the nucleus is the nuclear envelope a double membrane that encloses the entire organelle.
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The Nucleolus The nucleolus is a non-membrane bound structure composed of proteins and nucleic acids found within the nucleus. The ribosomal RNA is transcribed in the nucleolus. There are three main parts that are recognized: the fibrillar centers, the dense fibrillar component, and the granular components.
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The cell nucleus The function of the nucleus is to maintain the integrity of the genes and to control the activities of the cell by regulating gene expression. The nucleus is the control center of the cell. The cell nucleus has the directions for the proteins.
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The nucleolus The nucleolus is the main part of the cell that produces the ribosomes that make the proteins.
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