Photosynthesis and cellular respiration are performed by all organisms.C. Photosynthesis produces carbon dioxide, and cellular respiration uses carbon dioxide.D. Photosynthesis stores energy for cells, and cellular respiration releases energy for cells.19.
Answer by Tradergordo. Confidence votes 788. There are about 200 calories per serving, serving size is 2 tbsp. In an 18oz jar there are about 16 servings, so that's 3,200 calories in an 18oz jar of peanut butter.
This means that the vast majority of calories come from fats, which is why it is generally advised that obese people avoid eating too large an amount of peanut butter. The total calorie content in 100 grams of peanut butter is 589Cal, placing it among the most caloric foods in the typical U.S kitchen.