The raw materials are carbon dioxide and water; the energy source is sunlight, and chlorophyll is an essential pigment in the presence of which alone light energy from the sun can be converted to chemical energy; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose, glucose and starch.he raw materials are carbon dioxide and water; the energy source is sunlight, and chlorophyll is an essential pigment in the presence of which alone light energy from the sun can be converted to chemical energy; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose, glucose and starch.
Definition of stroganoff - a dish in which the central ingredient, typically strips of beef, is cooked in a sauce containing sour cream. Definition of stroganoff - a dish in which the central ingredient, typically strips of beef, is cooked in a sauce containing sour cream.
1 Chop leftover steak, then heat it with a can of mushroom soup, fresh mushrooms, chopped onion, a cup of sour cream and salt and pepper for an impromptu stroganoff. 2  If you have leftover beef gravy, stir it into the mixture. 3  Simmer the stroganoff for 15 to 20 minutes, then serve over rice or hot noodles.