Sentence examples for for one function from inspiring English sources
To counter Behe's irreducible complexity argument, they give a fascinating account of how proteins that originally evolved for one function can be co-opted by the cell for another; through such "exaptation," complicated cellular machinery can be built up in a gradual Darwinian way.
The jaw-bone-ear-bone transition shows how features evolved for one function often become useful, and become selected for (transferred to), another.
After a brief period of skepticism, our concept of stepwise ubiquitylation caused indeed a paradigm change, as many pathways are now known to require first mono-ubiquitylation for one function, and subsequent poly-ubiquitylation for another function.
As far as I can tell, this kind of creative multi-purposing of cytoskeletal filaments just does not happen in bacteria, where the rule seems to be one filament for one function.
Here, mutations may be beneficial for one function of the ancestral gene but deleterious to another, and gene duplication overcomes this adaptive conflict by allowing for one of the paralogues to become specialised for one of the ancestral functions [ 24].
The scientists conclude that this is probably an example of exaptation when a structure that was meant for one function is co-opted for another.
This process was a textbook example of one function for grid monitors, intervening to prevent an isolated problem from becoming a major disruption.
For example, one function is responsible for creating and parsing GFF3 files, another, the gmod_dbsf_get_taxonomy_from_ncbi, uses Bio::DB Taxon to query NCBI (via Entrez or via a local NCBI Taxonomy database flatfile) for the taxonomy of a species.
Today the vast majority of cellphone users in the United States still use the devices primarily for just one function: talking.
For example, one function of the remodelling enzyme Isw2 is to prevent transcription initiation from cryptic sites by repositioning nucleosomes [ 2].
