Also, there can be major problems with extensive sequence variation among individuals and/or AT-richness (in some regions of the mt genome) [ 12, 13], preventing accurate sequence determination.
But it has a major terrorism problem, with an extensive network of Qaeda-linked extremists spread across Britain, and its security services run dozens of investigations at any given time into possible attacks.
The distribution of zeros in the character table of a group is a classical problem with an extensive literature that goes back to the well-known theorem of Burnside stating that any non-linear irreducible character of a finite group vanishes at some element of the group.
Greer argues that health care systems face potential problems with the extensive network of the competition and other related legistation [ 22].
But dentists routinely recommend general anesthesia for preschoolers with extensive problems, particularly if they will not even let X-rays be taken.
California currently has America's worst budget problems, but other states with extensive direct democracy, such as its neighbours Arizona and Oregon (which has had more initiatives than even California), are close behind.
Nowadays, it is a common problem worldwide that professional taxonomists with extensive knowledge of the systematics of different groups of aquatic invertebrates are becoming extinct [186].
