Which of the following statements about mitochondria and chloroplasts is TRUE?

• A. Both mitochondria and chloroplasts are involved in ATP production.
• B. Mitochondria are found only in plant cells, while chloroplasts are found only in animal cells.
• C. Both mitochondria and chloroplasts contain their own DNA.
• D. Chloroplasts are the site of cellular respiration, while mitochondria are the site of photosynthesis.

Answer: (C)