Sentence examples for represented a puzzle from inspiring English sources

Infants classified as anxious-avoidant (A) represented a puzzle in the early 1970s.

The other P-specific gene, SPAC3F10.09, represented a puzzle.

The failure of the current Argentinean PAYG-DB social security program to reduce inter-generational inequality represents a puzzle.

Pretty much every activity in the game is represented by a puzzle, with virtual doubloon purchases funding your ambitions.

For retailers that sell home repair items and emergency supplies, a storm like Hurricane Sandy represents a logistical puzzle and a big sales opportunity.

Autoantibodies to DNA, RNA, and associated proteins represent a central puzzle in SLE pathogenesis.

The origin and evolution, if any, of the genetic code represent a major puzzle of modern biology; numerous hypotheses have been formulated but to date no generally accepted consensus has been reached [ 8- 13].

The identification of Or7a as a pheromone receptor represents an intriguing puzzle.

Therefore, the persistence of males represents an important puzzle for our understanding of C. elegans biology.

The reasons for the presence of so much noncoding DNA in eukaryotic genomes and the extraordinary differences in genome size, or C-value, among species represent a long-standing puzzle known as the "C-value enigma".

In many of these counties, rates of sleep difficulty fall below 20 percent.This represents a bit of a puzzle.