Quiz 2, BICH 410 (MWF3-3:50), Friday, Oct. 9, 1998

Clearly circle the letter corresponding to your answer for each problem. There are six problems, four of which count 3 points, and two for 4 points. No partial credit given for multiple-choice questions.
gas constant R 8.315 J/mole-K

1. (4 pts.) Which of the following statements is not true about the T state of hemoglobin?
Answer: C; see Problem 5 in Chap. 7

2. The Hill coefficient, nH is:
Answer: D; see Problems 5 and 7 from Chap. 7; E is not correct because the Hill coefficient would be less than one for negative cooperativity

3. Starch and glycogen are both polymers of:
Answer: A

4. Which of the following statements is true about the structure of an IgG molecule?
Answer: E

5. (4 pts.) Given the following hypothetical disaccharide molecule: beta-D-galactopyranosyl-(1 -> 2)-alpha-D-fructofuranoside
Which of the following statements is not true regarding this disaccharide?
Answer: D; these two monosaccharides are linked via an O-glycosidic bond between the two anomeric carbons; hence there is no reducing end

6. Sickle cell hemoglobin (HbS) is characterized by the following:
Answer: D