A researcher in the field of nutritional genomics is least likely to study ____
A) ?the interactions among genes and bioactive components in food that change gene expression without changing the DNA nucleotide sequence (nutritional epigenetics)
B) ?inborn changes in DNA nucleotide sequences or gene variants (nutrigenetics)
C) ?genetic alterations that can be compensated for by increasing or decreasing specific nutrients (nutrigenomics)
D) ?the interaction between genetically engineered enzymes and their substrates
D
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Three days after eating an undercooked hamburger patty at a picnic, Grace experienced intestinal cramps and bloody diarrhea. When Grace became too weak to walk, her roommate took her to the emergency room of a hospital. Grace required treatment for kidney failure. Based on this information, which of the following food-borne pathogens was most likely responsible for Grace's serious illness?
A. E. coli O157:H7 B. Staphylococcus aureus C. Trichinella D. Bacillus cereus
Which of the following statements is true?
A. A polyunsaturated fatty acid has two or more double bonds between carbons in the hydrocarbon chain. B. A saturated fat has a triple bond between two carbons in the hydrocarbon chain. C. The omega end of a fatty acid molecule contains the acid group. D. A triglyceride has three fatty acids attached to a cholesterol "backbone" molecule.
Iron deficiency is uncommon in the U.S
Indicate whether the statement is true or false
Which of the following is NOT a chronic disease?
a. Cardiovascular disease b. Type 2 diabetes c. Upper respiratory tract infection d. Osteoporosis