Sentence examples for a exchanges from inspiring English sources
However, lowering the cut-off to five A exchanges resulted in 41 additional hits which upon manual inspection seemed mostly false positives (Additional file 2B).
Notably, even the most distant target ORFs display the hallmarks of continuing and independent diversification (i.e. A exchanges without accumulation of B mutations, and different VR sequences in paralogous ORFs).
By contrast, the R-to-A exchanges only moderately affected networking of SLP65 with other ligands such as CLEC17A, Dok-3 and profilin.
Inactivation of the docking sites by R-to-A exchanges and concomitant loss of CIN85/CD2AP adaptors caused fundamental signalling deficits in DT40 and primary B cells.
Single R-to-A exchanges in individual proline/arginine motifs (blue, brown and green curves) revealed a dominating role for the two C-terminal docking sites, whose combined inactivation was sufficient to phenocopy the Ca2+ blockade of the triple mutant (light blue and purple curves) and to abolish binding to the SH3 domains of CIN85 and CD2AP (data not shown).
So we make an exchange, a transaction.
"There must be an exchange".
Such an exchange is rare.
Such an exchange can be quite simple.
