The cell process of silencing or activating genes is in part accomplished by
a. DNA methylation. b. multigene genomics.
c. translational sequencing. d. a transcription-translation cycle.
a
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Which of the following describes a relationship between body weight and pregnancy?
a. Overweight women bear the greatest number of low-birth-weight infants. b. Weight gain during pregnancy is the sole determinant of fetus's weight at birth. c. The increased incidence of neural tube defects of infants born to underweight women is due primarily to folate insufficiency. d. Underweight women who gain 30 lbs during pregnancy tend to birth smaller babies than heavier women who gain 30 lbs. e. Amniotic fluid accounts for nearly 1/3 of pregnancy-associated weight gain.
A nutritionist advertises that she includes gene counseling in her services. She has clients submit a sample for genotyping certain disease-related genes. Based on current genomics technology and understanding, what is the problem with this service?
a. Depending on the tissue source, the genes of interest may not be present. b. The technology is only available for identification and treatment of cardiovascular disease risk. c. As genomic imprinting occurs at conception, diet counseling cannot influence the risk of certain diseases. d. The nutrition advice provided will most likely not differ from general dietary recommendations.
The predominant fat in food and in the body is ____
A) cholesterol B) triglycerides C) lipoproteins D) lecithin
While on a road trip, you and your vegan friend stop to get gas at a convenience store. You're not hungry, but your friend wants a snack that's high in protein and low in saturated fat. Based on this information, which of the following foods did he buy?
A. Cheese sticks B. Banana chips C. Corn chips with nacho sauce D. Soy milk yogurt