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.
Whole wheat pasta is the healthier choice. Those made with white flour come in at just under 2 grams of fiber while whole wheat varieties have about 5 grams per serving. For a lot of folks whole wheat pasta is a bit like whole wheat bread, an acquired taste.uote. If you or your kids don't like whole wheat pastas, a good way to get the benefits of added fiber is pasta made with quinoa. Made with quinoa flour it has a flavor similar to regular pasta but the fiber content similar to whole wheat versions.