General Science • BiologyMedium
Which plant cell organelle contains its own circular DNA and 70S ribosomes, allowing it to synthesize some of its own proteins independently?
A. Chloroplast✓ Correct Answer
B. Endoplasmic Reticulum
C. Lysosome
D. Vacuole
💡 Solution & Explanation
Chloroplasts possess their own circular DNA and 70S ribosomes, allowing them to synthesize specific proteins independently as semi-autonomous cellular organelles. Endoplasmic reticulum and vacuoles lack independent genetic material for protein synthesis. Mitochondria share this endosymbiotic origin and also contain circular DNA.
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