The peptide below NH-CH- HẠN CH- ČH, -NH-CH- NH-CH- NH-CH- OH CH2 CH2 CH2 HN-ç=NH, NH2 CH2 CH HO-CH, OH H,C CH, needs to be separated from a second peptide with a primary sequence ADES. At what pH range would it be possible to separate the peptides?

The peptide below NH-CH- HẠN CH- ČH, -NH-CH- NH-CH- NH-CH- OH CH2 CH2 CH2 HN-ç=NH, NH2 CH2 CH HO-CH, OH H,C CH, needs to be separated from a second peptide with a primary sequence ADES. At what pH range would it be possible to separate the peptides?

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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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

The peptide below
-NH-CH-
H3N-CH-
CH3
NH-CH-
-NH-CH-
-O-
-NH-ÇH-
CH2
CH2
CH2
HN-ç=NH,
NH2
CH2
CH2
CH
Ho-CH,
C-OH
H,C
CH3
needs to be separated from a second peptide with a primary sequence ADES.
At what pH range would it be possible to separate the peptides?
O 0- 2.0
O 2.5 - 3.5
O 4.0 - 9.0
O 13.0 -14.0
о 10.0-12.0

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