01:119:116 Lecture Notes - Lecture 23: Neural Tube Defect, Gastric Acid, Disulfide
13 Apr 2016
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L23 nutrition: intro, nutrition, food taken into body, broken down used by body, animals- heterotrophs, herbivores- feed on producers, carnivores- meat eaters, omnivores- eat plants & animals, proper nutrition. Adequate diet- 3 nutritional needs: chemical e, chemical e used for atp, measured in calories (=kilocalorie= 1,000 calories, calorie- amount of heat required to raise temp of 1kg of h2o by. Infants- 9 essential aas: complete proteins- include all essential aas in proper ratios d. Incomplete proteins- most plant sources: essential fatty acids, animals lack enzymes to form double bonds that are in some fatty acids, polyunsaturated fatty acids found in seeds, grains, & vegetables, linoleic acid, linolenic acid, vitamins, organic compounds i. Small amounts, support biochemical functions: many are coenzymes, non-protein needed by an enzymes for proper functioning, water-soluble vitamins- cannot be stored, excess vitamins removed, b complex vitamins, often found in same foods, chemically distinct, ex. B9 (folic acid)- deficiencies include anemia & neural tube defects: ex.
