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Unformatted text preview: connective tissue and neurohormones. (a) Functions as a coenzyme by binding to lysine hydroxylase and facilitating the hydroxylation of lysine (b) Reduces the copper cofactor required for dopamine ß-hydroxylase for the formation of norepinephrine (c) Reduces the iron cofactor required for the decarboxylation of 5-hydroxytryptophan for the formation of serotonin (d) All of the above (e) None of the above 4. Select the correct statements regarding the potential health consequences of pharmacological (grams/day) doses of vitamin C. (a) Gastrointestinal upset may result (b) May reduce the severity of cold symptoms (c) May increase the formation of oxalic acid in individuals with a history of kidney stones (d) Increased lung cancer risk (e) a, b, c only True or False (1 pt each) 5. The absorption of PLP from dietary sources involves the active transport of pyridoxal following dephosphorylation. (a) True (b) False 6. The RDA for an adult male smoker is 125 mg/day. (a) True (b) False...
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- Spring '08
- Vitamin, vitamin b6