Single answerDifficulty 2/5 · StandardOlympiadConcept explanationVisual representation
From template strand to peptide
A student sequences the start of a short bacterial gene and records the template (non-coding) strand, written 3′→5′ from left to right: 3′-TACAAGCCTTTCACCATT-5′. RNA polymerase reads this strand to make the mRNA. Part of the genetic code is given in the table.
Data
| Codon | Amino acid | Codon | Amino acid |
|---|---|---|---|
| AAG | Lys | GGA | Gly |
| AAU | Asn | GGU | Gly |
| ACC | Thr | GUA | Val |
| AGG | Arg | UAA | Stop |
| AGU | Ser | UAC | Tyr |
| AUG | Met (start) | UCG | Ser |
| AUU | Ile | UGG | Trp |
| CCU | Pro | UGU | Cys |
| CUU | Leu | UUC | Phe |
| GAA | Glu | UUU | Phe |
What peptide does this stretch of the gene encode?
Answer every part to submit.