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Question
When the diet is adequate in protein, the body can synthesize niacin from which amino acid?a. phenylalanine
b. valine
c. tyrosine
d. tryptophan
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Which hormone, mediated by the enzyme renin, is primarily responsible for active reabsorption of sodium ions in the distal and collecting tubules?
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Why are vitamins A and E said to be antagonists of vitamin K?
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Although for micronutrients increasing the amount of a protein by directly inducing gene expression is certainly a common mechanism, we have encountered other mechanisms by which vitamins can regulate proteins. Provide one example of posttranslational modification, being as specific as possible.
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The 2 forms of naturally occurring provitamin D are: _____ and _____.
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For which vitamin is the Tolerable Upper Intake Level set because of increased tendency for bleeding?
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A genetic deficiency in _____ leads to a vitamin E deficiency syndrome.
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c. some evidence suggests a protective effect of vitamin D.
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Q:
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