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12. In a sample consisting of three tripeptides (MDE, KRF, and RDY), which will be eluted last from an anion exchange resin at pH 7? A. all three will be eluted at the same time B. MDE C. KRF D. RDY 13.Oxygens bind to which of the following components in hemoglobin? A. Nitrogen atoms of a histidine side chain B. A pyrrole ring of the heme C. The iron atom of the heme D. Nitrogen atoms of an asparagine side chain E. None of the above

12. In a sample consisting of three tripeptides (MDE, KRF, and RDY), which will be eluted last from an anion exchange resin at pH 7? A. all three will be eluted at the same time B. MDE C. KRF D. RDY 13.Oxygens bind to which of the following components in hemoglobin? A. Nitrogen atoms of a histidine side chain B. A pyrrole ring of the heme C. The iron atom of the heme D. Nitrogen atoms of an asparagine side chain E. None of the above

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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12. In a sample consisting of three tripeptides (MDE, KRF, and RDY), which will be eluted last from an anion exchange resin at pH 7? A. all three will be eluted at the same time B. MDE C. KRF D. RDY 13.Oxygens bind to which of the following components in hemoglobin? A. Nitrogen atoms of a histidine side chain B. A pyrrole ring of the heme C. The iron atom of the heme D. Nitrogen atoms of an asparagine side chain E. None of the above
Transcribed Image Text:12. In a sample consisting of three tripeptides (MDE, KRF, and RDY), which will be eluted last from an anion exchange resin at pH 7? A. all three will be eluted at the same time B. MDE C. KRF D. RDY 13.Oxygens bind to which of the following components in hemoglobin? A. Nitrogen atoms of a histidine side chain B. A pyrrole ring of the heme C. The iron atom of the heme D. Nitrogen atoms of an asparagine side chain E. None of the above
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