Where does DNA synthesis occur in eukaryotic cells?

DNA synthesis in eukaryotic cells occurs within the nucleus. The nucleus serves as the control center of the cell, housing the cell's genetic material (DNA). During DNA replication, enzymes called DNA polymerases synthesize new strands of DNA using the existing strands as templates. This process is essential for cell division and the maintenance of genetic information across generations of cells.

While mitochondria do have their own DNA and can carry out some replication processes, the primary site for the synthesis of the majority of DNA in a eukaryotic cell remains the nucleus. The cytoplasm is involved in other cellular activities, and the cell membrane is primarily involved in transport and signaling, making them unsuitable for DNA synthesis.