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.
These real-deal whole-grains make the pasta rich in vitamins, minerals, protein and fiber. A 1-cup serving of cooked whole-wheat spaghetti has about 23% of your daily fiber (white pasta has 9%) and 16% of your protein.