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Vit A
- Fat soluble
- vision, growth and develop.(ameloblasts and odontoblasts, epithelial cell gene expression)
- cancer prevention-antioxidant
- toxicity-cell mem damage and birth defects (retin A)
- deficiency-blindness, neural tube degeneration, epi cell degeneration, enamel hypoplasia
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Calcium
muscle contraction, nerve impulse transmission, endoc. and exoc secretory responses, mem stability, blood clotting, intracellular messenger
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Phosphate
intermediate in carb. lipid and prot metabolism ATP, creatine phos, cofactors NADP, second messengers-cAMP and IP3, DNA, RNA, phosphorylation of reg proteins
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