1.
Figure 40.2
Refer to the protocol for the diet experiment described in Figure 40.2 (page 769 in your textbook). Why were the researchers careful to provide the same amount of energy, in kcal, in each diet?
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2.
Figure 40.3
What tooth shapes would you expect to find in species (elephants, cows) that eat only carbohydrate-rich foods, such as grass stems and leaves?
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3.
Figure 40.5
In the drawing in part (a) right of the figure in your textbook (page 772), indicate where the teeth illustrated in part (b) are located. Also label the oral jaw in the skull in part (a) right. Explain your conclusion.
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4.
Figure 40.8b
In the figure in your textbook (page 775), draw the route of molecules and ions secreted by parietal and chief cells.
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5.
Figure 40.8c
In the figure in your textbook (page 775), label the reaction catalyzed by carbonic anhydrase.
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6.
Figure 40.11
On the figure in your textbook (page 778), draw a cross section and a three-dimensional view showing what the small intestine would look like if folds and villi did not exist.
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7.
Figure 40.13
On the figure in your textbook (page 781), draw a large X through the arrow that is disrupted in individuals with diabetes mellitus. Next to the X, jot notes indicating the nature of the defect in individuals with type I diabetes mellitus versus type II diabetes mellitus. Describe your conclusions.
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