Which of the following structures are found within prokaryotic cells?

• A. Nucleus
• B. Chloroplasts
• C. Mitochondria
• D. Ribosomes

Answer: (D)

Verified step by step guidance

1. Understand the basic structure of prokaryotic cells: Prokaryotic cells are simpler than eukaryotic cells and do not have membrane-bound organelles.
2. Identify the structures listed in the problem: Nucleus, Chloroplasts, Mitochondria, and Ribosomes.
3. Recall that prokaryotic cells do not have a nucleus. Their genetic material is not enclosed in a membrane.
4. Remember that chloroplasts and mitochondria are organelles found in eukaryotic cells, not in prokaryotic cells.
5. Recognize that ribosomes are present in both prokaryotic and eukaryotic cells, as they are essential for protein synthesis and are not membrane-bound.