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.
Grain products like bread, cereal, rice, and pasta are good for you. They are important sources of vitamins and minerals. Breads, cereals, rice, and pasta are also good sources of carbohydrates like starch and fiber. Many people think that starchy foods like breads, rice and pasta are fattening.
To cook 1 pound of pasta, it is recommended that you use 4 quarts of water. That means you will need a 6-quart pot. (In addition to the water, the pasta needs to fit in as well.) If you cook a lot of pasta it is worth investing in a big pot â itâs also really useful for other dishes, especially for making soups.