Baker's Yeast Gets a Genetic Makeover ~~ An army of undergraduates built a synthetic chromosome with cheap DNA-making technology. The humble baker's yeast has been enlisted to serve the needs of humanity, responsible for beer, wine and bread, among other staples. A domesticated servant for at least millennia, the microscopic fungus has now had one of its chromosomes swapped out by a host of undergraduate students in favor of a pared-down, synthetic version.
A muscle myoblast is an immature muscle cell, also called a muscle precursor cell that is essential for muscle repair. A mature muscle cell is actually a very thin fiber. A single muscle cell can be more than an inch long, and instead of containing one nucleus like most other cells, it can contain as many as 500 nuclei