Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 7TYK
Why is it necessary for healthy vegetarians to combine different plant foods or eat some eggs or milk products?
a. to make sure they obtain sufficient calories
b. to provide sufficient vitamins
c. to make sure they ingest all essential fatty acids
d. to provide all essential amino acids for protein synthesis
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Which of the following are substances in plant foods that are not absorbed by the body?
A. Simple sugars
B. Disaccharides
C. Starch
D. Dietary fiber
Which of the following are nutrients?
a. proteins
b. minerals
c. vitamins
d. All of these are correct.
What do empty calories represent?
A. Calories that come from nonorganic sources
B. Energy derived from high-fat foods
C. Calories that contain few or no nutrients
D. Calories from foods you can always freely consume
Chapter 21 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 21 - Label the parts of the human digestive system...Ch. 21 - Prob. 2CCCh. 21 - Earthworms, which are substrate feeders, a. feed...Ch. 21 - Prob. 4TYKCh. 21 - Which of the following vitamins is mismatched with...Ch. 21 - Which of the following statements is false? a. A...Ch. 21 - Why is it necessary for healthy vegetarians to...Ch. 21 - A peanut butter and jelly sandwich contains...Ch. 21 - Prob. 9TYKCh. 21 - How might our craving for fatty foods, which is...
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