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.
Mood Swing Triggers in Bipolar Disorder. At first, mood swings may take you by surprise if you have bipolar disorder. But over time, you might start to see patterns or signs that you're entering a period of mania or depression. Mood episodes in bipolar disorder often occur spontaneously, for no particular reasons.