Which of the following statements is correct?
A) Only the nucleus contains DNA while mitochondria and chloroplasts contain RNA.
B) All cellular organelles possess a small amount of DNA.
C) Prokaryotes have a well-defined nucleus containing DNA.
D) The rough endoplasmic reticulum contains the DNA necessary for protein synthesis.
E) The nucleus, mitochondria and chloroplasts all contain DNA.
IMAT 2025 · Question 28
Q28 - Cellular structures
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The correct answer is E) The nucleus, mitochondria and chloroplasts all contain DNA.
The nucleus, mitochondria and chloroplasts all have DNA. Mitochondria and chloroplasts carry a small circular genome left over from their bacterial ancestors.
Most other organelles (Golgi, ER, lysosomes) have no DNA, and prokaryotes don't have a nucleus at all.
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