Idea Ripper // ArchiveCards: 1555 [Live] | Updated: 2026-10-14
Card #c111IR // #c111Synthesis

There comes a point when the molecule is referred to as a polypeptide, though there is no precise definition of the molecular size involved; polypeptides are usually taken to be made of somewhere between 20 and 50 amino acids, all joined together by peptide links.

— In our words · Source: Every Molecule Matters (Simon Cotton)

[Use when]

When a field argues over labels that are fuzzy by design.

[Why it matters]

Scientific categories can be useful without sharp borders — the chain length band is convention.

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