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.
Pasta is food, and it is a delicious food. Families all over the world eat pasta. Very often pasta is part of. their main meal of the day. Pasta is made from durum wheat semolina, which is mixed with. water, made into shapes, and then dried. Sometimes pasta may contain optional. ingredients such as eggs or vegetables.