Exam 3 Key 2009

Exam 3 Key 2009 - Page 1 of 5 Name: _ EXAM III NTR 326...

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1 of 5 Name: _______________________ EXAM III NTR 326 October 26, 2009 Match the enzyme on the left with the reaction it catalyzes on the right. Each answer is used only one time. 1. ___ A __ Pyruvate Kinase A. Phosphoenolpyruvate to pyruvate 2. ___ F __ Phosphoenolpyruvate Carboxykinase B. Pyruvate to acetyl-CoA 3. ___ D __ Fructose Bisphophatase C. Pyruvate to oxaloacetate 4. ___ E __ Phosphofructokinase-1 D. Fructose-1,6-P 2 to Fructose-6-P 5. ___ B __ Pyruvate Dehydrogenase E. Fructose-6-P to Fructose-1,6-P 2 6. ___ C __ Pyruvate Carboxylase F. Oxaloacetate to PEP 7. The amino acids serine, threonine and tyrosine are phosphorylated because they have: a. sulfur groups c. hydroxyl groups b. singlet oxygen d. amino groups 8. Cysteine can form disulfide bonds in proteins because: a. sulfur groups c. hydroxyl groups b. singlet oxygen d. amino groups 9. Which enzyme is not regulated by glucose-6-phosphate? a. glucokinase c. glycogen synthase b. hexokinase d. glycogen phosphorylase 10. Fiber cannot be digested by our enzymes because it has: a. beta 1,4 linked sugars c. alpha 1,6 linked sugars b. alpha 1,4 linked sugars d. none of the above 11. Which glucose transporter is regulated by insulin? a. GLUT1 c. GLUT3 b. GLUT2 d. GLUT4 12. Where is most of the carbohydrate digested? a.
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This note was uploaded on 08/10/2011 for the course BIO 2401 taught by Professor Karen during the Fall '11 term at CSU San Marcos.

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Exam 3 Key 2009 - Page 1 of 5 Name: _ EXAM III NTR 326...

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