A means of reproduction in which duplicate DNA molecules are separated by cell elongation, followed by formation of a septum to divide the cytoplasm is called. binary fission. 24. A device that removes wastes and adds fresh medium to bacterial cultures in order to prolong the log phase of a culture is called a.
With real fur, real gold and sapphire and diamond eyes, Steiff Louis Vuitton teddy bear is rendered one of the most expensive toys in the world as it costs $2.1 million. Dressed in Louis Vuitton travel gear and with a gold mouth, the teddy bear was actually created by the German toy manufacturer Steiff.
Truffles: The Most Expensive Food in the World. European white truffles sell for as much as $3,600 a pound, but harvests are down and a black market has emerged -- none of which has dampened the appetite for this prized fungi. Lesley Stahl reports.