Certifying Authority. A digital signature is an electronic form of a signature that can be used to authenticate the identity of the sender of a message or the signer of a document, and also ensure that the original content of the message or document that has been sent is unchanged.
Calculate the number of kilocalories from fat. (1 gram of fat = 9 kcal; 1 gram of carbohydrate or protein delivers 4 kcal.) Source(s): calculate number kilocalories fat: https://tr.im/12Lai.
How many calories are there in a gram of fat? Each gram of fat contains 9 calories. Compare this to protein or carbohydrates, which each contain 4 calories per gram, and you can see why a diet high in fat can lead to weight gain. Calorie Density. Sources of calories for the body are divided into those from fat, carbohydrates, protein, and alcohol.