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.
Bipolar disorder is a mental condition caused by a chemical imbalance in the brain that causes severe mood swings. Those who suffer from bipolar disorder can have manic tendencies and bouts of depression, often with no readily identifiable cause. It is common for those with bipolar disorder to experience great emotional highs and lows, or for these mood swings to occur quickly and without notice or apparent reason.