01:119:116 Lecture Notes - Lecture 24: Essential Amino Acid, Neural Tube Defect, Disulfide
12 Jun 2017
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Lecture 24: nutrition: diet and nutritional needs, chemical energy. A. c)opportunistic: will eat something of high energy if provided the opportunity. Raise 1 kg of water by 1 degree celsius. B. c) essential nutrients = ingest or die (b. c. 1) 20 amino acids most animals can make ~half (b. d. 2) Co-enzymes and compounds required in some amounts (b. f. 2) Water soluble vitamins not stored in body (b. f. 4. i) b complex vitamins (b. f. 4. i. i) Neural tube defects (development) (b. f. 4. i. iii) b12: rbc formation, only in yeast/animal products (b. f. 4. ii) vitamin c (ascorbic acid) (b. f. 4. ii. i) Collagen (b. f. 4. ii. ii) antioxidant destroy reactive molecules when cells use oxygen (b. f. 4. ii. iii) aids iron absorb (b. f. 4. ii. iv) scurvy = wounds, weakness, loss of teeth (b. f. 5) Fat soluble vitamins can be stored in body (b. f. 5. i) vitamin a converted to retinal part of rhodopsin (b. f. 5. i. i) Lack of = visual impairment (b. f. 5. ii) vitamin d calcium absorption, uv light (b. f. 5. ii. i) Lack of = rickets in children (b. f. 5. ii. ii) osteomalacia bone softening (adults) (b. f. 6) Chloride negative ion (cl-): water balance, hcl, nerve function (c. a. 2)
