a structure in the chloroplast of photosynthesizing cells, usu. one of an interconnected stack, having a pigmented membrane that is the site of photosynthesis. [< German Thylakoid (1961) < Greek thÈ³lakoeidá¸s resembling a bag =thylak(os) sack + -oÄidÄs -oid]
Round or rump roast almost two hours to reach medium rare, 3-pound roast six hours on low or longer. In a crock pot. On the stove top in a Dutch oven around two hours. Extra 15 minutes may be extended for medium or 30 minutes for well done. (source: http://www.ehow.com/way_5260879_long-cook-pound-roast.html).
Most slow cookers will hold a 3 to 4 pound of beef rump roast, according to slow cooker manufacturer and distributor, Jarden Corporation. The USDA Food Safety and Inspection Service recommends cooking a 2 to 4 pound of beef rump roast until it reaches an internal temperature of 145 Fahrenheit.o sear the meat before adding it to the slow cooker, set a skillet on high heat. Add 1 tablespoon of oil, and allow it to heat for about 5 minutes. Add the roast, turning once on each side to caramelize the natural sugars in the meat, and evenly brown the surface layer.