Oral rehydration solutions that contain both salt and glucose are highly effective in treating severe dehydration caused by diarrhea and vomiting. However, glucose or salt alone are not effective. Why?
A. ATP is required to transport sodium unless glucose is available for cotransport.
B. Sodium transport and glucose transport are coupled in the small intestine so that glucose accelerates absorption of salt and water.
C. Glucose without sodium is broken down too quickly in the mouth by saliva.
D. Water alone rushes through the digestive tract too quickly to be absorbed by the body tissues.
Answer: B
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In order to be useful for constructing a phylogeny, a character must:
A. have a genetic basis. B. vary within a species. C. have only one state. D. show the same state across several species. E. All of the answer options are correct.
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1.at point A
2.at point B
3.at point C
4.at point D
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a. Is a way to look at the geography of the cell and the role of the nucleus b. Is a way to look at the geography of the cell and show where this role for actin filaments is important c. Explain how actin gets into the nucleus d. Explain how the Golgi apparatus forms