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.
Genetics: A Primary Cause of Bipolar Disorder. In searching for the answer to what causes bipolar disorder, scientists report genetics may be one of the key culprits, as bipolar disorder seems to run in families. Here are some important statistics on bipolar genetics: 1  First-degree relatives of people with bipolar disorder type 1 are seven times more likely to develop bipolar 1 over the regular population. 2  Children of a parent with bipolar disorder have a 50% chance of having a major psychiatric illness.