In eukaryotic cells, which organelle is DNA primarily found in?

• A. Golgi apparatus
• B. Nucleus
• C. Lysosome
• D. Endoplasmic reticulum

Answer: (B)

Verified step by step guidance

1. Understand the question: The problem is asking where DNA is primarily located in eukaryotic cells. This requires knowledge of cell organelles and their functions.
2. Recall the function of the nucleus: The nucleus is the organelle in eukaryotic cells that houses the majority of the cell's DNA. It is often referred to as the control center of the cell because it stores genetic information.
3. Eliminate incorrect options: The Golgi apparatus is involved in modifying, sorting, and packaging proteins and lipids. Lysosomes are responsible for breaking down waste materials and cellular debris. The endoplasmic reticulum is involved in protein and lipid synthesis. None of these organelles store DNA.
4. Confirm the correct answer: The nucleus is the only organelle in eukaryotic cells that primarily contains DNA, organized into chromosomes.
5. Conclude: Based on the above reasoning, the correct answer is the nucleus, as it is the primary location of DNA in eukaryotic cells.