Carefully analyze the structures of the peptides 1-4 and determine which of the peptide(s) will be least solunle in water Phe Len Ser-Ala-le Ly»Gle-Ser-Arg-Asp Ly»-Ser-Ala-Tyr-Lys Gle-Lys-Arg-Arg-Asp Peptide-1 Peptide4 Peptide 2 Peptide-3 O 2 and 3 O 2 and 4 01,2 and 4 O 1 and 2 O only 1
Carefully analyze the structures of the peptides 1-4 and determine which of the peptide(s) will be least solunle in water Phe Len Ser-Ala-le Ly»Gle-Ser-Arg-Asp Ly»-Ser-Ala-Tyr-Lys Gle-Lys-Arg-Arg-Asp Peptide-1 Peptide4 Peptide 2 Peptide-3 O 2 and 3 O 2 and 4 01,2 and 4 O 1 and 2 O only 1
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
Related questions
Question
Question 12
![3
5.
10
15
QUESTION 12
Carefully analyze the structures of the peptides 1- 4 and determine which of the peptide(s) will be least solunle in water?
Phe-Leu-Ser-Ala-le Lys-Glu-Ser-Arg-Asp
Peptide-1
Lys-Ser-Ala-Tyr-Lys |Glu-Lys-Arg-Arg-Asp
Peptide-3
Peptide-2
Peptide-4
O 2 and 3
O 2 and 4
O 1, 2 and 4
O 1 and 2
O only 1
QUESTION 13
Titration of amino acids by a strong base, for example NaOH, results in two pks. The reaction occurring for the pk2 is correctly represented by which of the following reactions? Recall, Pky referes to titration of
O- NH2 + OH
-NH + H20
-COOH + NH2 -
-co0 + NH2*
O co0 + NH3 -
-COOH + NH2
OCOOH + OH -
-CoO+ H20
O- NH3* + OH-
-NH2 + H20
QUESTION 14
oxylate =1.8, for a-amino =9.33, and for imidazole (side chain) =6.00. At pH 4, the charges on histidine would be as follows:
bmit. Click Save All Answers to save all answers.
Save All Answers
Clos
Sh Spprt
yCour](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbd05d42f-1263-4aec-b950-d259f25018df%2Fd166ac67-4694-4ac1-9c03-ca7be10c694c%2Faqs8w6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3
5.
10
15
QUESTION 12
Carefully analyze the structures of the peptides 1- 4 and determine which of the peptide(s) will be least solunle in water?
Phe-Leu-Ser-Ala-le Lys-Glu-Ser-Arg-Asp
Peptide-1
Lys-Ser-Ala-Tyr-Lys |Glu-Lys-Arg-Arg-Asp
Peptide-3
Peptide-2
Peptide-4
O 2 and 3
O 2 and 4
O 1, 2 and 4
O 1 and 2
O only 1
QUESTION 13
Titration of amino acids by a strong base, for example NaOH, results in two pks. The reaction occurring for the pk2 is correctly represented by which of the following reactions? Recall, Pky referes to titration of
O- NH2 + OH
-NH + H20
-COOH + NH2 -
-co0 + NH2*
O co0 + NH3 -
-COOH + NH2
OCOOH + OH -
-CoO+ H20
O- NH3* + OH-
-NH2 + H20
QUESTION 14
oxylate =1.8, for a-amino =9.33, and for imidazole (side chain) =6.00. At pH 4, the charges on histidine would be as follows:
bmit. Click Save All Answers to save all answers.
Save All Answers
Clos
Sh Spprt
yCour
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Biochemistry](https://www.bartleby.com/isbn_cover_images/9781319114671/9781319114671_smallCoverImage.jpg)
Biochemistry
Biochemistry
ISBN:
9781319114671
Author:
Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:
W. H. Freeman
![Lehninger Principles of Biochemistry](https://www.bartleby.com/isbn_cover_images/9781464126116/9781464126116_smallCoverImage.gif)
Lehninger Principles of Biochemistry
Biochemistry
ISBN:
9781464126116
Author:
David L. Nelson, Michael M. Cox
Publisher:
W. H. Freeman
![Fundamentals of Biochemistry: Life at the Molecul…](https://www.bartleby.com/isbn_cover_images/9781118918401/9781118918401_smallCoverImage.gif)
Fundamentals of Biochemistry: Life at the Molecul…
Biochemistry
ISBN:
9781118918401
Author:
Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:
WILEY
![Biochemistry](https://www.bartleby.com/isbn_cover_images/9781319114671/9781319114671_smallCoverImage.jpg)
Biochemistry
Biochemistry
ISBN:
9781319114671
Author:
Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:
W. H. Freeman
![Lehninger Principles of Biochemistry](https://www.bartleby.com/isbn_cover_images/9781464126116/9781464126116_smallCoverImage.gif)
Lehninger Principles of Biochemistry
Biochemistry
ISBN:
9781464126116
Author:
David L. Nelson, Michael M. Cox
Publisher:
W. H. Freeman
![Fundamentals of Biochemistry: Life at the Molecul…](https://www.bartleby.com/isbn_cover_images/9781118918401/9781118918401_smallCoverImage.gif)
Fundamentals of Biochemistry: Life at the Molecul…
Biochemistry
ISBN:
9781118918401
Author:
Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher:
WILEY
![Biochemistry](https://www.bartleby.com/isbn_cover_images/9781305961135/9781305961135_smallCoverImage.gif)
Biochemistry
Biochemistry
ISBN:
9781305961135
Author:
Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher:
Cengage Learning
![Biochemistry](https://www.bartleby.com/isbn_cover_images/9781305577206/9781305577206_smallCoverImage.gif)
Biochemistry
Biochemistry
ISBN:
9781305577206
Author:
Reginald H. Garrett, Charles M. Grisham
Publisher:
Cengage Learning
![Fundamentals of General, Organic, and Biological …](https://www.bartleby.com/isbn_cover_images/9780134015187/9780134015187_smallCoverImage.gif)
Fundamentals of General, Organic, and Biological …
Biochemistry
ISBN:
9780134015187
Author:
John E. McMurry, David S. Ballantine, Carl A. Hoeger, Virginia E. Peterson
Publisher:
PEARSON