An expression system refers to the factors that work together to yield a particular gene product such as a protein, ribozyme or RNA particle. The expression system is made up of a gene, which is ...

Changes in gene expression are thought to underlie many of the phenotypic differences between species. However, large-scale analyses of gene expression evolution were until recently prevented by ...

UNESCO is the United Nations agency with the specialized mandate to promote freedom of expression and its corollary freedom of the press and freedom of information. Over the decades, UNESCO has ...

At the University of Delaware, we are unwavering in our commitment to fostering an environment where free expression thrives, recognizing it as a cornerstone of our educational mission. We believe ...

The facial expression indicating disagreement is universal, researchers say. A furrowed brow, lifted chin and pressed-together lips -- a mix of anger, disgust and contempt -- are used to show negative ...