Which of the following is true about enzymes??
A) Insulin is an enzyme.
B) Bile is an enzyme.
C) Enzymes are proteins that catalyze metabolic reactions.
D) Enzymes are fatty acids that send cellular signals.
E) Both A and B
C
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Which of the following foods should not be included in a clear liquid diet?
A. Popsicles B. Milk C. Jello D. Apple juice
Which statement describes a feature of trans-fatty acids?
a. In nature, most double bonds are trans. b. Hydrogenation converts trans-fatty acids to cis-fatty acids. c. The conversion of cis-fatty acids to trans-fatty acids is inhibited by the presence of antioxidants. d. In the body, trans-fatty acids are metabolized more like saturated fats than like unsaturated fats. e. The hydrogen atoms are located on the same side of a double bond.
Caffeine ________.
A. reduces the ability of skeletal muscles to contract B. lowers blood fatty acid levels C. is a depressant drug D. is addictive
Jennie Wilson is a 42-year-old administrative assistant who is about to undergo gastric bypass surgery to treat her obesity and weight-related problems of diabetes and hypertension. Before undergoing gastric bypass surgery, Ms. Wilson should _____
a. plan to maintain the same diet after surgery as before b. attempt a variety of nonsurgical weight loss methods c. be assured that the surgery is not associated with complications d. devise a weight management program on her own to begin after surgery e. have a BMI less than 35