Question

Which of the following cell organelles possesses their own DNA and can synthesise protein for their functions?

• A. Endoplasmic reticulum
• B. Chioroplast
• C. Centrosome
• D. Golgi complex

Answer 1

Answer:

B. Chioroplast

• Chloroplasts are unique among plant cell organelles because they contain their own circular DNA (cpDNA), separate from the nucleus. • This endosymbiotic theory suggests that chloroplasts originated from free-living cyanobacteria that were engulfed by ancestral eukaryotic cells.