Words similar to unknown

Example sentences for: unknown

How can you use “unknown” in a sentence? Here are some example sentences to help you improve your vocabulary:

The genus Mycobacterium contains species that range from fast-growingsaprophytes such as M. smegmatis and M. fortuitum to slow-growing pathogens such as M. leprae , M. tuberculosis and M. paratuberculosis . Although the chromosomal origin of replication has been studied in some mycobacteria [ 7 8 ] , the genetic organization of the origin of replication in M. paratuberculosis has been previously unknown.
Mesothelin is a cell-surface antigen of unknown function that is expressed in the mesothelium.
Five of these were eukaryotic sequences of unknown function; five others were eukaryotic MSAE proteins; and one was a ThiF ORF within an operon containing two other thiamin biosynthesis genes in Erwinia amylovora [ 31 ] . The remaining eight sequences were of bacterial origin and were already included in our dataset.
While KRAS mutations have been associated with some cases of primary resistance to gefitinib or erlotinib [7], mechanisms underlying “acquired” or “secondary” resistance are unknown.
The second possibility is that Pgm allele frequencies are altered because of selection for an unknown linked gene, and this possibility cannot be ruled out at this time.