The villi found in the gastrointestinal tract ________.
A. contain cells that produce mucus, hormones, and enzymes
B. are covered with the brush border (microvilli)
C. produce a large surface area for nutrient absorption
D. are finger-like projections into the lumen of the small intestine
E. All of these choices are correct.
Answer: E
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Both organic and inorganic compounds contain carbon
Indicate whether the statement is true or false
Which type of adipose tissue has a greater number of mitochondria in its cells?
A) red adipose tissue B) white adipose tissue C) brown adipose tissue D) yellow adipose tissue
All of the following describe influences of television and video gaming on nutrition EXCEPT
a. children who have a television in their bedrooms are more likely to be overweight than those who do not. b. the viewing of television and playing of video games requires the expenditure of no more energy than basal metabolism. c. children who watch television for 4 or more hours per day are least likely to eat fruits and vegetables and most likely to be obese. d. children are exposed to thousands of TV commercials each year but their requests for advertised foods are heeded by their parents only one-fourth of the time.
All of the following are essential amino acids except:
1.Leucine 2.Lysine 3.Glutamine 4.Methionine 5.Tryptophan