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:

In order to determine the relative increase in PTEN mRNA levels, the Northern blots were stripped and re-hybridized with control probes for β-actin and choA, the latter a highly abundant mRNA of unknown function [ 40 ] . We consistently found that the amount of β-actin mRNA was somewhat reduced during suspension culture, whereas the amount of choA remained relatively stable.
Along with lumican, claudin-3, KLF2, PS1, VEGF and TNFR-1 mentioned above, these include several secreted proteins (secreted apoptosis related protein 1 and NPDC1) which are also likely to function in coordination with IL-8; several genes from the well-known family of complement factors (C1 esterase, human complement C4A and complement factor B); and several unknown or hypothetical genes.
Webster, on the contrary, stubbornly maintains that the origin of the word is unknown and shows the Whigs in a favourable light by presenting them as the advocates of popular rights during the English Civil War and as the friends and supporters of the war and principles of revolution during the revolution in the United States.
(In "," William Saletan explains how the WTO went from complete unknown to boogeyman, and in "," Paul Krugman argues that the WTO's opponents have it all wrong.)
So a 1990 Bordeaux or Burgundy is likely to be first-rate if made by a respectable, even if unknown, winemaker.