Although other alternative mechanisms of gene expression regulation exist, the control of gene transcription via CREs in promoters is still a primary mode of gene expression regulation.
Specifically, where the commerce is not such as to require uniform regulation throughout the country and no relevant federal regulation exists, the states retain the power to regulate it until Congress, at a later date, enacts further legislation to restrict them.
Based on the experimental results, a failure to reproduce the dynamics may be due to one of three possibilities: (a) the sub-network that was modeled is too small; (b) additional unknown regulations exist in the system; or (c) the methodology used for the dynamic simulations was inadequate.
In an R-GSN, a pair of gene sets are connected if a significant number of gene regulations exist between the unique genes of the gene sets.
Similar regulations exist within the European Union.
These regulations exist at the federal level and split authority with states, which have their own laws for how companies comport themselves within their borders.
Robust regulations exist at the federal and state levels nationwide for natural gas development and environmental protection".
No current USDA regulations exist for the identification of infectious agents in amphibians.
DOI: http://dx.doi.org/10.7554/eLife.06866.011 A number of feedback and feedforward regulations exist along the PI3K pathway, including negative feedback by S6K, positive feedback by mTORC2, and feedforward activation of mTOR by AKT (Sekulic et al., 2000; Harrington et al., 2004; Hahn-Windgassen et al., 2005; Sarbassov et al., 2005; Humphrey et al., 2013).
To reach those goals in the EU Member States, a broad range of EU directives and regulations exist such as the Energy Efficiency Directive 2012/27/EU [12] and the Renewable Energy Directive 2009/28/EC [3].
