The best-studied method is for a cell to increase the number of molecular pumps in its outer membrane.

ECONOMIST: Cell biology: The secret of the vaults | The

They will be looking back at the molecular characterisation of the tumours in a number of common cancers stored at the Wales Cancer Bank to discover "molecular fingerprints", known as biomarkers.

BBC: South East Wales

Obviously, a count of the number of new molecular entities (industry jargon for brand new drugs) is not the only measure of innovation.

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