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Question
Muscle lactate is converted to glucose in the liver and returned to the muscle by means of the _____.a. malate-aspartate shuttle
b. electron transport chain
c. Cori cycle
d. pentose phosphate pathway
Answer
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Related questions
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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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A genetic deficiency in _____ leads to a vitamin E deficiency syndrome.
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Q:
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c. gained 2 electrons
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Q:
Nutrients can be used to compensate for some gaps in our DNA. For example:a. Individuals with a change in the base sequence for the phenylalanine hydroxylase gene can correct the sequence of bases by eating a lot of phenylalanine.b. Obese individuals can lose body weight by eating fewer calories than they expend.c. Omega-3 fatty acids can up-regulate genes encoding for fat oxidation.d. Individuals with a polymorphism that decreases activity of a folate-metabolizing enzyme, methylene tetrahydrofolate reductase, may have more elevated plasma homocysteine than those with a normal enzyme while more folate intake can normalize plasma homocysteine for those with this polymorphism.