To characterize the structural requirements for cleavage by the FEN1 endonucleases, two types of oligonucleotide probes were constructed: downstream "signal" probes and upstream "invasive" probes.

Languages often co-express related meanings, either reusing words or combining parts of words. It is poorly understood when each strategy is favoured. Across 1,982 languages, Brochhagen et al. find ...