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.
Fat contains nine calories per gram, so divide each number of the fat-calorie range by nine to determine your daily fat grams. For a 2,000-calorie per day diet, the recommended daily fat intake is 44 to 78 grams. The recommended daily fat amounts for 1,500-calorie and 2,500-calorie diets are 33 to 58 grams and 56 to 97 grams, respectively.