Organic Chemistry
7th Edition
ISBN: 9789332519046
Author: Paula Yurkanis Bruice
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 22, Problem 52P
Draw the form of aspartate that predominates at the following pH values:
a. pH = 1.0
b. pH = 2.6
c. pH =6.0
d. pH =11.0
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Draw the form of aspartate that predominates at the following pH values:
a. pH = 1.0 b. pH = 2.6 c. pH = 6.0 d. pH = 11.0
Reaction 25.1 Sucrose (aq) + H2O (l) ⇄ Glucose (aq) + Fructose (aq)
What is the Keq expression for Reaction 25.1?
Draw the predominant form for the aspartate amino acids at physiological pH (7.4):
Chapter 22 Solutions
Organic Chemistry
Ch. 22.1 - a. Explain why, when the imidazole ring of...Ch. 22.2 - a. Which isomer(R)-alanine or (S)-alanineis...Ch. 22.2 - Prob. 4PCh. 22.3 - Prob. 5PCh. 22.3 - Prob. 6PCh. 22.3 - Draw the predominant form for glutamate in a...Ch. 22.3 - a. Why is the pKa of the glutamate side chain...Ch. 22.4 - Explain why the pI of lysine is the average of the...Ch. 22.4 - Calculate the pI of each of the following amino...Ch. 22.4 - a. Which amino acid has the lowest pI value? b....
Ch. 22.4 - Prob. 13PCh. 22.5 - What aldehyde is formed when valine is treated...Ch. 22.5 - Prob. 15PCh. 22.5 - Prob. 16PCh. 22.5 - Prob. 17PCh. 22.5 - Prob. 18PCh. 22.6 - Why is excess ammonia used in the preceding...Ch. 22.6 - Prob. 20PCh. 22.6 - What amino acid is formed using the...Ch. 22.6 - Prob. 22PCh. 22.6 - What amino acid is formed when the aldehyde used...Ch. 22.7 - Esterase is an enzyme that catalyzes the...Ch. 22.8 - Draw the tetrapeptide Ala-Thr-Asp-Asn and indicate...Ch. 22.8 - Prob. 26PCh. 22.8 - Prob. 27PCh. 22.8 - Which bonds in the backbone of a peptide can...Ch. 22.9 - What is the configuration about each of the...Ch. 22.9 - Glutathione is a tripeptide whose function is to...Ch. 22.10 - What dipeptides would be formed by heating a...Ch. 22.10 - Suppose you are trying to synthesize the dipeptide...Ch. 22.10 - Show the steps in the synthesis of the...Ch. 22.10 - a. Calculate the overall yield of bradykinin when...Ch. 22.11 - Show the steps in the synthesis of the...Ch. 22.13 - Prob. 36PCh. 22.13 - In determining the primary structure of insulin,...Ch. 22.13 - A decapeptide undergoes partial hydrolysis to give...Ch. 22.13 - Explain why cyanogen bromide does not cleave on...Ch. 22.13 - Indicate the peptides produced from cleavage by...Ch. 22.13 - Prob. 42PCh. 22.13 - Three peptides were obtained from a trypsin...Ch. 22.14 - Prob. 44PCh. 22.15 - How would a protein that resides in the nonpolar...Ch. 22.16 - a. Which would have the greatest percentage of...Ch. 22 - Prob. 47PCh. 22 - Glycine has pK2 values of 2.34 and 9.60. At what...Ch. 22 - Prob. 49PCh. 22 - Prob. 50PCh. 22 - Aspartame (its structure is on page 1007) has a pl...Ch. 22 - Draw the form of aspartate that predominates at...Ch. 22 - A professor was preparing a manuscript for...Ch. 22 - Prob. 54PCh. 22 - Determine the amino acid sequence of a polypeptide...Ch. 22 - Prob. 56PCh. 22 - Which is the more effective buffer at...Ch. 22 - Identify the location and type of charge on the...Ch. 22 - Draw the product obtained when a lysine side chain...Ch. 22 - After the polypeptide shown below was treated with...Ch. 22 - Treatment of a polypeptide with 2-mercaptoethanol...Ch. 22 - Show how aspartame can be synthesized using DCCD.Ch. 22 - -Amino acids can be prepared by treating an...Ch. 22 - Reaction of a polypeptide with carboxypeptidase A...Ch. 22 - a. How many different octapeptides can be made...Ch. 22 - Glycine has pKa values of 2.3 and 9.6. Do you...Ch. 22 - A mixture of 15 amino acids gave the fingerprint...Ch. 22 - Write the mechanism for the reaction of an amino...Ch. 22 - Prob. 69PCh. 22 - Show how valine can be prepared by a. a...Ch. 22 - A chemist wanted to test his hypothesis that the...Ch. 22 - Propose a mechanism for the rearrangement of the...Ch. 22 - A normal polypeptide and a mutant of the...Ch. 22 - Determine the amino acid sequence of a polypeptide...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Consider the tripeptide Thr-Arg-Tyr. 1. Name: T-R-Y_______________________ 2. Draw the structure of the fully protonated form of the tripeptide and label the ionizable groups with the corresponding pKa values. 3. Draw predominant structure of the tripeptide at pH 11. What is the net charge? Consider the image as an example. Thank you.arrow_forwardDraw the structure of the tetrapeptide Ser-Leu-Phe-Pro at pH 7.0arrow_forward1.what is beta diacid?where is it ? 2.lable it out please. Why it is called beta diacid? 3. do we have aplha diacid???arrow_forward
- 47. A pentapeptide on complete hydrolysis yields 3 moles of glycine (R=H), 1 mole of alanine (R=CH3) and 1 mole of serine (R=CH2OH). On partial hydrolysis, the fragments are ala-gly, gly-ala and gly-ser. The pentapeptide is negative to the Sanger reaction. Draw a possible structure for the pentapeptide.arrow_forwardCalculate the pI value of GE- dipeptide The pKa values of the terminal amino and carboxyl groups are 8 and 3.5. Show all steps towards the answer.arrow_forwardMaple syrup, which is 66% carbohydrate and 34% water in content: can be stored at room temperature without spoilage because the water content is inaccessible to bacteria can be basted on steak before cooking to promote the Maillard browning reaction is thick and viscous because the pH is so low is thick and viscous because water is bound by hydrogen bonds to the sucrose is thick and viscous because the carbohydrate is a polysaccharidearrow_forward
- A pentapeptide has a sequence of SAPED 1. Draw the pentapeptide in its proper ionization state at pH 7.0 ? 2. What is the pl of the pentapeptide?arrow_forwardDraw the predominant form the histidine amino acids at physiological pH (7.4):arrow_forward1. Is the disaccharide reducing or not?2. What type of bond of that? Choices are: ether, amide, peptide, ester3. Will the disaccharide give a positive result to Benedict's test?arrow_forward
- 3 i) Draw the tripeptide EFH in its predominant ionization state at pH 5. ii) If this tripeptide was part of a secondary structure element, which one would it be? please answer both parts w explanations !!! :)arrow_forward20. When glucose and galactose form a disaccharide through a 1-4 linkage determine whether that linkage will be alpha or beta. Use the 1 position on glucose and the 4 position on galactose to form the bond. a) beta b) alphaarrow_forwardDraw the predominant form the lysine amino acids at physiological pH (7.4):arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Organic Chemistry
Chemistry
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:Cengage Learning
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Cengage Learning
Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY