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At the start of the elongation phase of translation, the initiating methionyl transfer RNA occupies the:
AE site
BT site
CP site
DA site
Answer & Solution
Correct answer: C. P site
1. Ribosomes have several named transfer RNA binding sites.
2. Translation begins with the codon AUG, which specifies methionine.
3. The initiating methionyl transfer RNA occupies the P site.
4. It does so at the beginning of the elongation phase of translation.
5. That holds in both prokaryotes and eukaryotes.
_Source: OpenStax Biology 2e (CC BY 4.0), Ch 15 'Genes and Proteins', sections 15.1-15.5_
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