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Unformatted text preview: Identify (a) all the loops and stems by name, (b) the 5' and3' ends, (c) the two longest conserved sequences, (d) the seven crucial tertiary base-base interactions, (e) the anticodon (f) the point of attachment of the amino acid and (g) a π turn. 6. Referring to the tRNA structure on your tRNA handout or in RASMOL, determine which pairs of nucleotides are closer to each other: (a) 5 and 8 vs. 7 and 49 (b) 10 and 14 vs. 15 and 59 (c) 10 and 56 vs. 19 and 57 (d) 5 and 67 vs. 22 and 53 (e) 9 and 46 vs. 10 and 47 7. Which bases in tRNA are not stacked? For each of them, can you explain why? 8. Peptide bond formation is one step in protein synthesis that does not require ATP or GTP. Explain where the energy of peptide bond formation comes from....
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- Winter '10
- peptide bond formation