Which of the following peptides will elute last from a hydrophobic interaction column? A) Tyr-Thr-Ile B) His-Tyr-Arg C) Glu-Asp-Thr D) Val-Ile-Trp E) Leu-Thr-His

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter26: Biomolecules: Amino Acids, Peptides, And Proteins
Section26.1: Structures Of Amino Acids
Problem 1P: How many of the -amino acids shown in Table 26-1 contain aromatic rings? How many contain sulfur?...
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Which of the following peptides will elute last from a hydrophobic interaction
column?
A) Tyr-Thr-Ile
B) His-Tyr-Arg
C) Glu-Asp-Thr
D) Val-Ile-Trp
OE) Leu-Thr-His
Transcribed Image Text:Which of the following peptides will elute last from a hydrophobic interaction column? A) Tyr-Thr-Ile B) His-Tyr-Arg C) Glu-Asp-Thr D) Val-Ile-Trp OE) Leu-Thr-His
Question 1.
What is the pH of a solution made by mixing 0.100 mol NH3 and 0.040 mol HCl in
1.00 L of water? (pK, 9.25)
A) 9.25
B) 9.18
C) 2.50
D) 9.43
E) 9.07
Transcribed Image Text:Question 1. What is the pH of a solution made by mixing 0.100 mol NH3 and 0.040 mol HCl in 1.00 L of water? (pK, 9.25) A) 9.25 B) 9.18 C) 2.50 D) 9.43 E) 9.07
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