1. Uptake Hydrogenase
1) Definition of Uptake Hydrogenase and Mechanism of Hydrogen Production
Uptake hydrogenases are Ni-Fe enzymes that catalyze the conversion of hydrogen gas to hydrogen ions and electrons. They are found in the heterocysts and not in the vegetative cells of nitrogen-fixing strains of cyanobacteria. They remove the hydrogen gas produced by nitrogenase when they carry o
(i) Celebrity Documentary Shows
Celebrity documentary shows are documentary style shows designed to feed the need for viewers to peer into the private lives of celebrities. Among these documentaries, there are two main types. The first is the type in which the camera follows the private life a celebrity or celebrity group. This kind of show may include scenes where celebrities hang out with th
of omission
Errors of commission
• Timing errors - an action is performed at the wrong time
(e.g., when the MP3 files play too late after pushing the button)
• Sequence errors - step is performed out of the proper order
(e.g., when we want to contact the upper menu, the home menu suddenly appeared)
• Selection errors - an incorrect control is manipulated
(
The characteristic of Gerrit Dou’s painting is its unusual clearness of vision and precision ofmanipulation. He even spent several days to paint a hand. Also, as you can feel from this figure, his color is always very fresh and transparent.
Two women are in a grocery shop. Like a typical mother these days, housewives in the past went grocery shop to buy ingredients of their dish. Carefully de
Enron, the 7th largest U.S. company in 2001,
filed for bankruptcy in December 2001.
• Enron investors and retirees were left with
worthless stock.
• Enron was charged with securities fraud
(fraudulent manipulation of publicly reported
financial results, lying to SEC,…)
• Enron was a Houston-based natural gas pipeline
comp