The DNA polymerase that's most often used in PCR comes from a strain of bacteria called Thermus aquaticus that live in the hot springs of Yellowstone National Park. It can survive near boiling temperatures and works quite well at 72 Â°C (162 Â°F). Nucleotides are the building blocks that DNA molecules are made of.
Common Bipolar Triggers. 1  An irregular sleep schedule. 2  A poor work environment. (where there is a lot of infighting, politicking, a lack of structure, etc.) 3  Fighting or arguing with the people around you.  Medication side 1  effects. Travel.  Feeding into the first signs of mania.
Causes of Bipolar Disorder. Researchers don't know exactly what causes bipolar disorder. Most likely, there's no single factor but rather multiple factors that cause bipolar disorder to develop. Genetics do play a role and increase the likelihood that someone will develop the disorder.hemicals in the brain could also predispose people to bipolar disorder [source: CCI ]. Researchers suspect that the levels of neurotransmitters dopamine, serotonin, norepinephrine, and GABA (gamma aminobutyric acid) might be involved in the disorder.