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Step 1: Understanding Carbon Counting in Organic Acids - $\alpha$-Ketoglutaric acid → 5 carbons.
- Succinic acid → 4 carbons.
- Citric acid → 6 carbons.
- Acetyl group of Acetyl CoA → 2 carbons.
Step 2: Matching Correctly The correct matching is A-IV, B-II, C-I, D-III.
In a messenger RNA molecule, untranslated regions (UTRs) are present at:
I. 5' end before start codon
II. 3' end after stop codon
III. 3' end before stop codon
IV. 5' end after start codon

