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The **initiation codon** for translation is:
AUAA
BUAG
CUGA
DAUG (codes for methionine)
Answer & Solution
Correct answer: D. AUG (codes for methionine)
AUG is the universal start codon, coding for methionine (formyl-methionine in prokaryotes). UAA, UAG, UGA are the three stop codons — they don't code for any amino acid and terminate translation.
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In eukaryotes, primary mRNA transcript becomes mature mRNA afterThe 'one gene - one polypeptide' concept was proposed byIn prokaryotes, the small ribosomal subunit recognises the mRNA initiation site via theIn humans, the percentage of A in a DNA sample is 30 %. By Chargaff's rule, the percentageTranscription differs from replication in that itThe genetic code is described as degenerate becauseOkazaki fragments are formed on theDuring DNA replication, the enzyme that unwinds the double helix is