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.
1 Set the pork in a small roasting pan and season with salt and pepper. 2  Roast the pork for 15 minutes, then reduce the oven temperature to 325Â°.3  Continue roasting the pork for 40 minutes longer, or until an instant-read thermometer inserted in the thickest part of the meat registers 155Â°. Set the pork in a small roasting pan and season with salt and pepper. 2  Roast the pork for 15 minutes, then reduce the oven temperature to 325Â°.