Naked and circular DNA molecules are found in .............. And ...........

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the organelles that contain naked and circular DNA molecules.

2. **Recall the Organelles**: The two organelles known for having naked and circular DNA are mitochondria and chloroplasts.

3. **Explain Mitochondria**: Mitochondria are often referred to as the powerhouse of the cell. They are involved in cellular respiration, a process that breaks down food molecules to release energy in the form of ATP. Mitochondria contain their own DNA, which is circular and not associated with histones (hence "naked").

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