practice midterm 1

practice midterm 1 - 1. Below is a plot showing percent of...

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1. Below is a plot showing percent of women with sufficient levels of vitamin C versus amount of Vitamin C ingested a) Indicate on the graph where you would find the EAR and the RDA levels. b) Draw a curve on the plot below shoing the percent of men with sufficient levels of Vitamin C that you would expect and indicate EAR and RDA levels for men. c) How is RDA different from AI? 2. a) What is the name of the cells that secrete HCl into the stomach> b) What is the name of the cells that store and release pepsinogen (protease precursor) into the stomach? c) Which hormone stimulates the release of HCl and pepsinogen in the stomach? d) What region or organ of the GI track secretes the hormone from part C? e) What region of organ of the GI track secretes the hormone from part C?
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f) What signal produced by the small intestine stimulates the release the compounds in part e and f? 3. a) What is the “Glycemic Index”? Give a definition b) What is the “Glycemic Load”? Give a definition. c) What would you expect the glycemic index of saccharine (an artificial sweetner) to be? d)What two health risks are associated with foods with high glycemic indices?
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This note was uploaded on 04/15/2009 for the course BIBC BIBC120 taught by Professor Chilukuri during the Spring '08 term at UCSD.

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practice midterm 1 - 1. Below is a plot showing percent of...

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