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-grain pastas are generally high in fiber, protein and various other essential nutrients. Whole-grain pasta contains about 37g of good carbohydrates per serving, reports Common Sense Health.Choose these over white pastas, where the grain has been refined and stripped of most of its nutritional value.uinoa. Quinoa is a less commonly used grain that is high in fiber and provides healthy carbohydrates at about 30g per serving. Quinoa can be used as a replacement for rice, couscous or pasta. This good carbohydrate also offers a significant amount of plant-based protein, while being low in fat and calories.