NTR 306 Study Guide - Final Guide: Acetyl-Coa, Ketone Bodies, Basal Metabolic Rate
Document Summary
Energy currency for our cells ; high energy molecule: adenine, ribose + 3 phosphate groups; must continually recharge atp to provide constant e. Atp attaches a phosphate group to an enzyme, for example, to do work. Use atp to combine smaller molecules (glucose) into larger compounds (glycogen) and release small amounts of heat: catabolic. Break down large molecules release e in form of atp and heat. Atp production occurs in mitochondria: describe how carbohydrates, proteins, and fats are used to meet the energy needs of the body. Carbs = poly/monosaccharides; sugar: 4kcal/grams, brain + blood cells; quick atp (atp production = aerobically an anerobically) = glucose: most important macronutrient for e. Proteins = polypeptides, amino acids: 4kcal/grams, goes into first 3 stages (glycolysis, acetyl coa, tca cycle, produces ketones when you are fasting (& aren t producing or consuming enough glucose)
