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Exam (elaborations)
BIOD 121 Portage module 4/59 Questions and Answers
BIOD 121 Portage module 4/59 Questions and Answers
Exam (elaborations)
BIOD 121 Portage module 4(solved and graded A+)
essential vitamins 
13 vitamins that animal cells need but can't synthesize 
found in both plant and animal sources 
 
 
vitamins produced by the body 
vitamin K and biotin (gut flora) 
vitamin D (skin) 
vitamin A (from beta carotene) 
niacin (tryptophan) 
 
 
 
 
 
 
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two criteria for vitamins 
1. must be consumed in the diet to maintain health. 
2. symptoms of deficiency occur in its absence 
 
 
enrichment 
adding nutrients back that have been lost to processing 
 
 
fortificati...