Summer 2011 I NFECTIOUS D ISEASE Any microorganism that can cause a disease such as a bacterium, virus, parasite, or fungus. Reasons that the organism will cause an infection are virulence (ability to multiply and grow), invasiveness (ability to enter tissue), and pathogenicity (ability to cause disease). ORTAL OF E XIT The place where the organism leaves the reservoir, such as the respiratory tract (nose, mouth), intestinal tract (rectum), urinary tract, or blood and other body fluids.
Calories in Carbs. Each gram of carbohydrates contains 4 calories. If a food label lists the food as having 10 g of carbohydrates, then it contains 40 calories from carbohydrates. How to Calculate How Many Carbohydrates Per Serving on a Nutrition Label.
RE: How many calories does a gram of carbohydrate have?How many calories does a gram of fat have? Source(s): calories gram carbohydrate havehow calories gram fat have: https://knowledge.im/?s=calories+gram+ca...