Here are the recommended number of daily or weekly servings of each food type, based on eating a total of 2,000 calories per day. Your calorie needs may be different, depending on your age, activity level and whether you are trying to lose, gain or maintain your weight.
â¢ The inner membrane also has folds called cristae to increase the surface area. â¢ The intermembrane space is a region between the outer and inner membranes. Mitochondria are organelles that carry out cellular respiraTon. Cellular respiraÂ±on converts chemical energy in foods to chemical energy called AÂ±P (adenosine
1. The mucosa layer of the small intestines wall contains large folds covered with microscopic projections called villi 2. The epithelial cells of the villi themselves have microvilli (cytoplasmic extensions) 3. Folds, villi, and microvilli all enlarge surface area (500x) for absorption 4.