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).
Step 6. Cover the slow cooker. Cook on high for 4 to 5 hours, or on low for 6 to 8 hours. Insert an instant-read thermometer into the center of the roast.If the temperature is not at least 145 degrees Fahrenheit, cook the roast for another 15 minutes on high, or 30 minutes on low, then check the temperature again.Place the rump roast on a platter.tep 6. Cover the slow cooker. Cook on high for 4 to 5 hours, or on low for 6 to 8 hours. Insert an instant-read thermometer into the center of the roast.