EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
3rd Edition
ISBN: 9780133858501
Author: Bruice
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 17.6, Problem 15P
What amino acid would be formed when the
- a. acetaldehyde?
- b. 2-methylbutanal?
- c. 3-methylbutanal?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
39. Which of the following amino acids has a sulfur-containing side chain?
a. serine
b. cysteine
c. lysine
d. methionine
e. both b and d
40. Which of the following reagents can be used to cleave a tert-butoxycarbonyl (Boc) protecting group from a
peptide?
a. H₂/Pd
b. CF3CO₂H
c. Na2CO3, H₂O
d. LiAlH4
alpha-Amino acids can be prepared by treating an aldehyde with ammonia/trace acid, followed by hydrogen cyanide, followed by acid-catalyzed hydrolysis. a. Draw the structures of the two intermediates formed in this reaction. b. What amino acid is formed when the aldehyde that is used is 3-methylbutanal? c. What aldehyde is needed to prepare isoleucine?
The products of the hydrolysis of a fat include fatty acids and
a. aldehydes
b. glycerol
c. esters
d. more than one response is correct
Which of the following has an amino alcohol (rather than glycerol) backbone in its structure?
a. phosphoglyceride
b. wax
c. sphingolipid
d. soap
Which of the following compounds is significantly soluble in water?
a. 2,5-dimethyloctane
b. 2,5-dimethyl-3-octene
c. 2-methyl-5-phenyloctane
d. all are significantly soluble
e. none are significantly soluble
What reactant and catalyst is(are) needed to change ethene into ethane?
a. H2, Pt
b. H2O, H2SO4
c. HCl
d. heat, pressure
Chapter 17 Solutions
EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
Ch. 17.1 - a. Explain why, when the imidazole ring of...Ch. 17.2 - Prob. 2PCh. 17.3 - Prob. 3PCh. 17.3 - Prob. 4PCh. 17.3 - Prob. 6PCh. 17.4 - Calculate the pI of each of the following amino...Ch. 17.4 - a. Which amino acid has the lowest pI value? b....Ch. 17.5 - What aldehyde is formed when valine is treated...Ch. 17.5 - Prob. 10PCh. 17.5 - Prob. 11P
Ch. 17.5 - Prob. 12PCh. 17.6 - Prob. 13PCh. 17.6 - What amino acid would be formed using the...Ch. 17.6 - What amino acid would be formed when the aldehyde...Ch. 17.7 - Pig liver esterase is an enzyme that catalyzes the...Ch. 17.8 - Prob. 17PCh. 17.8 - Prob. 18PCh. 17.8 - Prob. 19PCh. 17.8 - Prob. 20PCh. 17.10 - Prob. 21PCh. 17.10 - Prob. 22PCh. 17.10 - Why does cyanogen bromide not cleave on the C-side...Ch. 17.10 - Prob. 24PCh. 17.10 - Prob. 26PCh. 17.12 - Prob. 27PCh. 17.13 - a. Which would have the greatest percentage of...Ch. 17 - Draw the predominant form of the following amino...Ch. 17 - What is the pI of serine?Ch. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Which would have a higher percentage of negative...Ch. 17 - Draw the form of aspartate that predominates at...Ch. 17 - Prob. 35PCh. 17 - A professor was preparing a manuscript for...Ch. 17 - a. Why is the pKa of the glutamate side chain...Ch. 17 - Prob. 38PCh. 17 - Determine the amino acid sequence of a polypeptide...Ch. 17 - Prob. 40PCh. 17 - Prob. 41PCh. 17 - Three peptides were obtained from a trypsin...Ch. 17 - Prob. 43PCh. 17 - After the polypeptide shown here was treated with...Ch. 17 - The disulfide bridges of a polypeptide were...Ch. 17 - -Amino acids can be prepared by treating an...Ch. 17 - Reaction of a polypeptide with carboxypeptidase A...Ch. 17 - Prob. 48PCh. 17 - Prob. 49PCh. 17 - Show how valine can be prepared by a. a Strecker...Ch. 17 - Prob. 51PCh. 17 - Why is proline never found in an -helix?Ch. 17 - Determine the amino acid sequence of a polypeptide...Ch. 17 - Prob. 55PCh. 17 - A chemist wanted to test his hypothesis that the...Ch. 17 - A normal polypeptide and a mutant of the...
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
- Which amino acids on proteins can form glycosidic linkages? Select one: a. Cysteine and methionine b. Tryptophan and phenylalanine c. Glycine and proline d. Serine and asparagine e. Alanine and leucinearrow_forward8. Hydrolysis of the peptide bonds in peptide below would result in Пн НзN-CHC-N-CHC-N-CНС-о CH2 Он СНCH3 ČH3 CH3 a. no reaction. b. a single amino acid. c. two amino acids. d. three amino acids. e. four amino acids.arrow_forwardDisulfide linkages: A. are covalent bonds. B. are a type of electrostatic interaction. C. occur between methionine residues. D. can be disrupted by SDS. E. can only occur within the same polypeptide chain.arrow_forward
- Another method to form a peptide bond involves a two-step process:[1] Conversion of a Boc-protected amino acid to a p-nitrophenyl ester.[2] Reaction of the p-nitrophenyl ester with an amino acid ester.a. Why does a p-nitrophenyl ester “activate” the carboxy group of the first amino acid to amide formation? b. Would a p-methoxyphenyl ester perform the same function? Why or why not?arrow_forward1. A. Draw the structure of L-valine in a strongly basic solution. B. What is the charge of this amino acid in a strongly basic solution?arrow_forwardDraw the structure of each peptide. Label the N-terminal and C-terminal amino acids and all amide bonds. a. Val-Glu b. Gly-His-Leu c. M-A-T-Tarrow_forward
- Name each peptide using both the one-letter and the three-letter abbreviations for the names of the component amino acids.arrow_forwardChemistry 1. Fill in the blanks with the appropriate word or words: B-Lactam acts by inhibition They are also liberating and thus exert their rapid bactericidal effect. 2. Which sentence is correct and which is incorrect? If it is incorrect, write the correct sentence a. ß - Lactams cause transpeptidation in glycopeptides. b. ß-lactams act in the third stage of murein complex synthesis. c. ß-lactams inhibit protein synthesis in bacteria. d. Bacitracin prevents the dephosphorylation of the carrier molecule of the peptidoglycan subunit. e. Cycloserine is involved in the second stage of peptidoglycan synthesis.arrow_forward1. What test reagents are used for the alkylation of amino acids (alkylating reagents)? 2. What test reagents are used for acid hydrolyzation of amino acidsarrow_forward
- fid the molecular structure of 1. deprotonated form of 2-amino-3hydroxypropanoic acid 2.zwitterionic form of 2-Amino-3-methylpentanoic acid 3. protonated form of 2-Amino-3-methylpentanoic acid 4. deprotonated form of 2,5 diamino5-oxopentanoic acid 5. zwitterionic form of 2-amino-3hydroxypropanoic acid 6.2-phenyl propanol 7. 2,4,6-trinitrophenol 8. oxoheptanoic acid 9. (4E)-2,6-dimethylhepta2,4-dien3ol 10. 3-methylbutan1-olarrow_forwardwhich of the amino acids will make red litmus paper turn into blue when dissolved in water? a. proline b. alanine c. lysine d. glutamine which will have a positive result to biuret test? a. myosin b. caproic acid c. arginine d. 1-pentanolarrow_forwardChemistry for this amino acid/lipids, could someone give the general classification of each compound thank you.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,
General, Organic, and Biological Chemistry
Chemistry
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:Cengage Learning
Organic And Biological Chemistry
Chemistry
ISBN:9781305081079
Author:STOKER, H. Stephen (howard Stephen)
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