Organic Chemistry
Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
bartleby

Concept explainers

bartleby

Videos

Textbook Question
Book Icon
Chapter 19, Problem 19.66P

Calculate the isoelectric point for each amino acid.

a. cysteine: p K a ( COOH ) = 2 .05; p K a ( α-NH 3 + ) = 10 .25

b. methionine: p K a ( COOH ) = 2 .28; p K a ( α-NH 3 + ) = 9.21

Blurred answer
Students have asked these similar questions
How would a biochemist classify this amino acid? COOT H3N—C—H CH 2 CH 2 H₂N O Nonpolar O Polar O Aromatic Basic C=0
Hhh
Threonine, an amino acid, has four stereoisomers. The stereoisomer found in nature is (2S,3R)-threonine. Which of the following structures represents the naturally occurring amino acid?

Chapter 19 Solutions

Organic Chemistry

Ch. 19 - Problem 19.11 Identify A-D in the following...Ch. 19 - Problem 9.12 Draw the cation that results when a...Ch. 19 - Problem 19.13 Draw the products of each acid-base...Ch. 19 - Problem 19.14 Given the values in Appendix A,...Ch. 19 - Problem 19.15 Rank the labeled protons in...Ch. 19 - Problem 19.16 Match each of the following values ...Ch. 19 - Problem 19.17 Rank the compounds in each group in...Ch. 19 - Problem 19.18 Rank the compounds in each group in...Ch. 19 - Prob. 19.19PCh. 19 - Problem 19.20 Which of the following pairs of...Ch. 19 - Problem 19.21 Two other commonly used sulfonic...Ch. 19 - Problem 19.22 Draw both enantiomers of each amino...Ch. 19 - Problem 19.23 Explain why amino acids, unlike most...Ch. 19 - Problem 19.24 Draw the positively charged,...Ch. 19 - Prob. 19.25PCh. 19 - Problem 19.26 Explain why the of the group of...Ch. 19 - Answer each question for A and B depicted in the...Ch. 19 - Prob. 19.28PCh. 19 - 19.29 Give the IUPAC name for each compound. a....Ch. 19 - 19.30 Draw the structure corresponding to each...Ch. 19 - Prob. 19.31PCh. 19 - 19.32 Rank the following compounds in order of...Ch. 19 - 19.33 Draw the organic products formed in each...Ch. 19 - 19.34 Identify the lettered compounds in each...Ch. 19 - 19.35 Using the table in Appendix A, determine...Ch. 19 - 19.36 Draw the products of each acid-base...Ch. 19 - 19.37 Which compound in each pair has the lower ?...Ch. 19 - 19.38 Rank the compounds in each group in order of...Ch. 19 - 19.39 Rank the compounds in each group in order of...Ch. 19 - 19.40 Match the values to the appropriate...Ch. 19 - Prob. 19.41PCh. 19 - 19.42 Which carboxylic acid has the lower ,...Ch. 19 - Prob. 19.43PCh. 19 - 19.44 Explain the following statement. Although...Ch. 19 - Prob. 19.45PCh. 19 - 19.46 Explain why the of compound A is lower than...Ch. 19 - 19.47 Rank the following compounds in order of...Ch. 19 - Prob. 19.48PCh. 19 - Prob. 19.49PCh. 19 - 19.50 Draw all resonance structures of the...Ch. 19 - As we will see in Chapter 23, CH bonds are...Ch. 19 - Prob. 19.52PCh. 19 - The pKa of acetamide (CH3CONH2) is 16. Draw the...Ch. 19 - 19.54 Write out the steps needed to separate...Ch. 19 - Prob. 19.55PCh. 19 - Can octane and octan -1- ol be separated using an...Ch. 19 - 19.57 Identify each compound from its spectral...Ch. 19 - 19.58 Use the NMR and IR spectra given below to...Ch. 19 - 19.59 An unknown compound (molecular formula )...Ch. 19 - 19.60 Propose a structure for (molecular formula...Ch. 19 - 19.61 Match the data to the appropriate...Ch. 19 - Prob. 19.62PCh. 19 - Prob. 19.63PCh. 19 - Prob. 19.64PCh. 19 - 19.65 For each amino acid ,draw its neutral,...Ch. 19 - Calculate the isoelectric point for each amino...Ch. 19 - 19.67 Lysine and tryptophan are two amino acids...Ch. 19 - Prob. 19.68PCh. 19 - Prob. 19.69PCh. 19 - Prob. 19.70PCh. 19 - 19.71 Hydroxy butanedioic acid occurs naturally in...Ch. 19 - 19.72 Although it was initially sold as a rat...
Knowledge Booster
Background pattern image
Chemistry
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
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Chemistry for Today: General, Organic, and Bioche...
Chemistry
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Cengage Learning
Text book image
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
Text book image
Chemistry In Focus
Chemistry
ISBN:9781337399692
Author:Tro, Nivaldo J.
Publisher:Cengage Learning,
Text book image
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Text book image
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Text book image
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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