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ahh_risa ahh_risa
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6 years ago
The pH gradient across the gastric mucosa is maintained by:
 a. passive diffusion
 b. facilitated diffusion
 c. active transport
 d. all of the above
 e. none of the above
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dylbtdylbt
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6 years ago
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ahh_risa Author
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6 years ago
Smart ... Thanks!
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This site is awesome
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Good timing, thanks!
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