The first person generally
credited with fulfilling the functions of the modern director was George, Duke
of Saxe- Meiningen. Meiningen was a wealthy aristocrat and head of a small
German principality. In 1826, George, Duke of Saxe- Meiningen and his
morganatic wife started an experimental acting group which was one of the first
companies in which the importance of the director was stressed.
Mitochondria. The “powerhouses” of the cell, mitochondria are oval-shaped organelles found in most eukaryotic cells. As the site of cellular respiration, mitochondria serve to transform molecules such as glucose into an energy molecule known as ATP (adenosine triphosphate).
<span>DNA methylation is a process that can change the activity of a gene without rearranging the DNA sequence. The mechanism most often is used to inactivate genes.</span>