Nutrients Can Be Used to Compensate for Some Gaps in Our

question 72

Multiple Choice

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 upregulate 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.

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