The twisted ladder metaphorA DNA molecule is often likened to a spiral (or twisted) ladder. In this analogy, the rungs of the ladder are the base pairs (A-T and G-C). The sides of the ladder are the sugar-phosphate backbones of the two strands.This refers to B form DNA. molecule of DNA is double-stranded. The molecule has the shape of a double helix, typically right handed (B form DNA).
FRESH PORK: Safe Cooking Chart. Cook all raw pork steaks, chops, and roasts to a minimum internal temperature of 145 Â°F as measured with a food thermometer before removing meat from the heat source. For safety and quality, allow meat to rest for at least three minutes before carving or consuming.
3. Preheat oven to 210Â°C. Place pork on a rack over a roasting dish and put in oven. Roast for 15 minutes. Reduce temperature to 150Â°C and continue cooking for 45 minutes per 500g. To check pork is cooked, pierce the thickest part with a knife: if the juices run clear, the pork is cooked.