Gram positive bacterias have a cell wall which will stain in violet color. Gram negative bacterias, howâ¦ever, have an extra layer of cell wall around them which prevents the cell wall from being dyed. These gram negative bacterias will need an additional stain called safranin to make the bacterias redish color.
Answer   Pasta is a source of carbohydrates, so to the extent that the body needs carbohydrates, absolutely! And most pasta is pretty much low or no fat. The sauce eaten â¦ with the pasta is often very calorie and fat rich with meats, oils, cheeses and butter.
Whole wheat pasta provides nearly 40 grams of energy-rich carbohydrates per one cup (cooked) serving. In addition, whole wheat pasta provides five grams of dietary fiber, most of it insoluble fiber, shown to reduce risk for breast cancer. To ensure you are buying the healthiest whole wheat pasta, look for at least four grams of dietary fiber and five grams of protein per two ounces dry (or one cup cooked) serving.