General Science - Physics (Basics)
Which of the following organelles contains its own DNA and is capable of self-replication?
Which of the following organelles contains its own DNA and is capable of self-replication?
hard Q10 of 15
Step-by-Step Solution
Step 1: Understand organelle genetic material
The question asks which organelle has its own DNA and can replicate independently.Step 2: Recall mitochondria characteristics
Mitochondria contain circular DNA and can self-replicate, supporting the endosymbiotic theory. Golgi apparatus, ER, and lysosomes lack DNA and depend on nucleus.Step 3: Explain why other organelles lack DNA
Golgi apparatus modifies proteins, ER synthesizes proteins/lipids, lysosomes digest waste but none have DNA.Final Answer:
Mitochondria → Option DQuick Check:
Organelle with own DNA = Mitochondria ✅
Quick Trick: Mitochondria have their own DNA unlike other organelles.
Common Mistakes:
- Assuming all organelles have DNA like nucleus.
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