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BI 106 Final exam - BI 106 Final Exam May 9 2006 Name...

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BI 106 Final Exam May 9, 2006 Name__________________________ Academic Honesty Students who fail to abide by the standard of conduct, including academic honesty and plagiarism, will be disciplined. Disciplinary action may range from withdrawal by the instructor from class or laboratory without credit to expulsion from the college. Understood? Sign here_____________________________ As usual, the questions herein are multiple choice, and there may be more than one correct answer. In that case, you should circle all the right answers.
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1. What is a carbohydrate? a. a compound composed of carbon, hydrogen, and oxygen. b. a class of nutrients which provide energy to animals which consume them. c. include such molecules as mono- and di- saccharides d. can be structural elements of living things 2. The epithelium of the rumen a. is covered with a protective slime layer of mucoproteins b. contains secretory cells which produce hydrochloric acid c. has numerous projections called papillae d. is also referred to as transitional epithelium 3. Testosterone 4. Enzymes a. operate in a narrow pH range b. require oxygen to function c. are biological catalysts d. increase the rate of the reactions they are involved with 5. Birds 6. The gallbladder 7. Concerning teeth: a. dogs have no deciduous molars b. brachydont teeth are found in carnivores c. the outermost layer of tooth crown is composed of cementum 8. Erythropoietin a. is secreted by the spleen to remove damaged red cells b is secreted by the pancreas to aid in glucose uptake by red cells c. is secreted by the kidneys in order to increase the production of red cells d. is secreted by the posterior pituitary to increase the production of red cells
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