Lesson 7: Translation, Which, Acids

学习目标

• Explain why a messenger set encoding a replicase and four synthetase functions still deteriorates, and state what kind of coupling would stabilise it.
• Compare the RRY and RNY primordial code patterns with respect to comma-free read-off, plus/minus strand symmetry and internal folding.
• Use base-pair stability and fidelity estimates to argue why GC-rich sequences qualify as the first reproducible adapters and messengers.
• Reconstruct the reasoning that selects GGC and GCC as the first two codons and trace the extension of the code toward the primary set of amino acid assignments.