Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 24, Problem 2PS
(a) Draw the Lewis structure for the amino acid phenylalanine, showing the amino group and the carboxylic group in their un-ionized forms.
(b) Draw the Lewis structure for the zwitterionic form of phenylalanine.
(c) Which of these structures will be the predominant form at physiological pH?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
(a) Draw the chemical structure of a generic amino acid,using R for the side chain. (b) When amino acids react toform proteins, do they do so via substitution, addition,or condensation reactions? (c) Draw the bond that linksamino acids together in proteins. What is this called?
at a pH value of 2, the amino and carboxyl groups in an amino acid will exist as
All amino acids share a common
structure, a central (alpha) carbon
with four groups attached. Which
of these is NOT one of the four
groups attached to the alpha-
carbon?
O an R group
an ammonium group (-NH3+)
O a carboxylate group (-COO)
a hydronium group
Chapter 24 Solutions
Chemistry & Chemical Reactivity
Ch. 24.1 - Draw the Lewis structure for the tripeptide...Ch. 24.1 - Prob. 1RCCh. 24.1 - Prob. 2RCCh. 24.1 - Prob. 3RCCh. 24.2 - Prob. 1RCCh. 24.2 - Prob. 2RCCh. 24.2 - Prob. 3RCCh. 24.3 - What is the sequence of the strand of DNA...Ch. 24.3 - Prob. 2CYUCh. 24.3 - 1. Which breaks down more quickly in an aqueous...
Ch. 24.3 - Prob. 2RCCh. 24.3 - 3. Which amino acid is selected by the mRNA codon...Ch. 24.3 - Kynamro has the hydrogen bonding sequence:...Ch. 24.3 - The formula of Kynamro is...Ch. 24.3 - Prob. 3QCh. 24.4 - 1. Which of the following is not an example of a...Ch. 24.4 - Prob. 2RCCh. 24.5 - Prob. 1RCCh. 24.5 - Prob. 2RCCh. 24.5 - Prob. 1QCh. 24.5 - Prob. 2QCh. 24.5 - Prob. 3QCh. 24 - (a) Draw the Lewis structure for the amino acid...Ch. 24 - (a) Draw the Lewis structure for the amino acid...Ch. 24 - Prob. 3PSCh. 24 - Prob. 4PSCh. 24 - Draw Lewis structures for the two dipeptides that...Ch. 24 - Do the amino acid sequences: valine-asparagine and...Ch. 24 - Draw the Lewis structure for the tripeptide...Ch. 24 - Prob. 8PSCh. 24 - Prob. 9PSCh. 24 - Prob. 10PSCh. 24 - Prob. 11PSCh. 24 - Prob. 12PSCh. 24 - (a) Draw the structural formula for the sugar...Ch. 24 - (a) Draw the structural formula for the sugar -D-2...Ch. 24 - Prob. 15PSCh. 24 - Prob. 16PSCh. 24 - Given the following nucleotide sequence in DNA:...Ch. 24 - Given the following nucleotide sequence in DNA: 5'...Ch. 24 - Prob. 19PSCh. 24 - If a drop of oleic acid is added to a dish of...Ch. 24 - What structure do all steroids have in common?Ch. 24 - Prob. 22PSCh. 24 - Prob. 23PSCh. 24 - The chemical equation for the fermentation of...Ch. 24 - Prob. 25PSCh. 24 - Prob. 26PSCh. 24 - Prob. 27GQCh. 24 - Prob. 28GQCh. 24 - Prob. 29GQCh. 24 - Prob. 30GQCh. 24 - Prob. 31GQCh. 24 - There are 41 = 4 mononucleotides of DNA, there are...Ch. 24 - Prob. 33GQCh. 24 - The first step of the metabolic process known as...Ch. 24 - Prob. 35ILCh. 24 - Insulin is a protein important in the metabolism...Ch. 24 - Prob. 37SCQCh. 24 - Prob. 38SCQCh. 24 - Do the DNA sequences ATGC and CGTA represent the...Ch. 24 - Prob. 41SCQCh. 24 - Which of the following statements is/are true? (a)...
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
- Write the name of linkage joining two amino acids.arrow_forwardDuring the hydrolysis of proteins, some amino acids, such as tryptophan, do not survive the reaction conditions. Other amino acids, such as asparagine and glutamine, are modified. Referring to Table 1-7 (p. 39), which shows the structures of the 20 common amino acids, write the structures of the two amino acids that are formed when asparagine and glutamine decompose in hot, concentrated HCl.arrow_forward(a) Provide four distinct forms of phenylalanine. (b) Rank the solubility of these forms in water. (c) Explain your ranking.arrow_forward
- Part A: Condensed structural formulas (ionized) of amino acids -glycine -alanine -serine Part B: Write the structure of the ionized form of phenylalanine.arrow_forwardWhat initiates a dehydration process between two amino acids, provided their carboxyl groups are exactly aligned with the amine groups of the other?arrow_forwardIndicate whether each statement is true or false: (a) Fat molecules contain amide bonds. (b) Phosphoplipids can be zwitterions. (c) Phospholipids form bilayers in water in order to have their long hydrophobic tails interact favorably with each other, leaving their polar heads to the aqueous environment.arrow_forward
- Suppose a long-chain polypeptide is constructed entirely from phenylalanine monomer units. What is its empirical formula? How many amino acids does it contain if its molar mass is 17,500 g mol-1 ?arrow_forwardQ1. The pKa values of Glutamic acid are 2.2, 4.3 and 9.7. H2N HO. OH (a) Calculate the pH of a glutamic acid solution in which the a-amine group is 80% deprotonated? (show your calculation!) (b) Draw the ionic forms of glutamic acid that exist at the calculated pH.arrow_forwardAmino acids containing a nonpolar "R" group, such as an alkyl or aromatic, are in nature. acidic O hydrophobic O hydrophilic O basicarrow_forward
- You are given the structures of the amino acids alanine (Ala), methionine (Met) and threonine (Thr). to H2N CO2H H2N CO2H H2N co,Harrow_forwardWhat is a free amino group? Draw the structure of the free amino grouparrow_forwardHow many atoms of each element are in a molecule of the amino acid lysine C6H14N3O2 ?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
World of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College Div
World of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage Learning
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
World of Chemistry
Chemistry
ISBN:9780618562763
Author:Steven S. Zumdahl
Publisher:Houghton Mifflin College Div
World of Chemistry, 3rd edition
Chemistry
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Brooks / Cole / Cengage Learning
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
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