nuclease - general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units. 1  endonuclease - a nuclease that cleaves nucleic acids at interior bonds and so produces fragments of various sizes. exonuclease - a nuclease that releases one nucleotide at a time (serially) beginning at one of a nucleic acid. enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions.
1 gram of fat = 9 calories. Each gram of fat contains 9 calories. In general carbs are 4 cal per gram, as is protein and fat is 9 cal per gram. 16 people found this useful.
MedlinePlus reports that carbs and protein each provide 4 calories per gram, and fat contains 9 calories in each gram. For example, if youâve eaten 65 total grams of dietary fat, youâve consumed 585 calories from fat. If youâve eaten 95 grams of protein, youâve consumed 380 calories from protein, and if youâve eaten 250 carb grams, youâve consumed 1,000 calories from carbohydrates. Alcohol â in alcoholic beverages â provides 7 calories per gram, reports the McKinley Health Center.