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Q17
(CISF/2020)
Science & Technology › Basic Science (Physics, Chemistry, Biology)
Which of the following organelle(s) in an animal cell would have DNA and RNA ?
Result
Your answer:
—
·
Correct:
B
Explanation
In an animal cell, both the nucleus and mitochondria contain DNA and RNA. The nucleus houses the majority of the cell's genetic material (DNA) and is the site where various types of RNA (mRNA, tRNA, rRNA) are synthesized through transcription. Mitochondria are semi-autonomous organelles that possess their own circular DNA (mtDNA) and the necessary machinery, including their own RNA and ribosomes, to produce some of their own proteins. While ribosomes are rich in ribosomal RNA (rRNA), they do not contain DNA. Therefore, the combination of organelles containing both nucleic acids is the nucleus and mitochondria.
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