Overview
The nucleus is a vital organelle in eukaryotic cells, serving as the control center for cellular activities. It houses the cell's genetic material, organized as chromatin, and is surrounded by a nuclear envelope that regulates transport. Within the nucleus, the nucleolus plays a crucial role in ribo...
Key Terms
Example: The nucleus is often referred to as the control center of the cell.
Example: The nuclear envelope has pores that allow molecules to enter and exit.
Example: Chromatin condenses to form chromosomes during cell division.
Example: The nucleolus is often visible as a dark spot in the nucleus.
Example: Gene expression is regulated by various factors within the nucleus.
Example: DNA replication occurs in the nucleus during the S phase of the cell cycle.