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Question
Which of these is mismatched?
Options
Post transcriptional control - nucleus
Translational control - cytoplasm
Transcriptional control - nucleus
Post translational control - nucleus
MCQ
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Solution
Post translational control - nucleus
Explanation:
In eukaryotes, transcriptional and post-transcriptional controls occur in the nucleus because that is where DNA is stored, and mRNA is first synthesised and processed. Once the mature mRNA moves into the cytoplasm, translational control takes over as ribosomes begin building proteins. Post-translational control involves modifying those finished proteins, adding chemical groups or folding them, which naturally happens in the cytoplasm or organelles like the ER, making the “nucleus” pairing incorrect for this stage.
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