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.
Broccoli is an excellent source of vitamin K, vitamin C, chromium and folate. It is a very good source of dietary fiber, pantothenic acid, vitamin B6, vitamin E, manganese, phosphorus, choline, vitamin B1, vitamin A (in the form of carotenoids), potassium and copper. Broccoli is also a good source of vitamin B1, magnesium, omega-3 fatty acids, protein, zinc, calcium, iron, niacin and selenium.