Organic Chemistry (9th Edition)
9th Edition
ISBN: 9780321971371
Author: Leroy G. Wade, Jan W. Simek
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 24, Problem 24.42SP
Interpretation Introduction
Interpretation: The structure of ornithine is to be shown.
Concept introduction: The amino acid that is produced by arginine is known as ornithine. Arginine also produces urea simultaneously with ornithine. It has isoelectric point close to
To determine: The structure of ornithine.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following combination in each pair is likely to produce more Maillard browning when heated at 95 °C for 4 hours? Explain the chemical basis for your choice.
Sucrose + glycine, pH 7.0 vs. glucose + glycine, pH 7.0
Maltose with a dextrose equivalency (DE) of 20 + glycine, pH 9.0 vs. maltose + glycine, pH 9.0
Lactose + glycine, pH 8.0 vs. lactose + glycine, pH 4.0
Which of the following combination in each pair is likely to produce more Maillard browning when heated at 95 °C for 4 hours? Explain the chemical basis for your choice.
A.Sucrose + glycine, pH 7.0 vs. glucose + glycine, pH 7.0
B.Maltose with a dextrose equivalency (DE) of 20 + glycine, pH 9.0 vs. maltose + glycine, pH 9.0
C.Lactose + glycine, pH 8.0 vs. lactose + glycine, pH 4.0
Please answer very soon will give rating surely
All questions answers needed
Threonine is a naturally occurring amino acid that has two stereogenic centers.
a. Draw the four possible stereoisomers using wedges and dashes.
b. The naturally occurring amino acid has the 2S, 3R configuration at its OH two stereogenic centers. Which structure does this correspond to?
Chapter 24 Solutions
Organic Chemistry (9th Edition)
Ch. 24.2A - Draw three-dimensional representations of the...Ch. 24.2A - Prob. 24.2PCh. 24.2B - The herbicide glyphosate (Roundup) kills plants by...Ch. 24.4 - Draw the structure of the predominant form of a....Ch. 24.4 - Draw the resonance forms of a protonated guanidino...Ch. 24.4 - Although tryptophan contains a heterocyclic amine,...Ch. 24.4 - Prob. 24.7PCh. 24.4 - Prob. 24.8PCh. 24.5A - Show how the following amino acids might be formed...Ch. 24.5B - Prob. 24.10P
Ch. 24.5C - Prob. 24.11PCh. 24.5C - Show how you would use a Strecker synthesis to...Ch. 24.6 - Suggest how you would separate the free i-ammo...Ch. 24.7A - Propose a mechanism for the acid-catalyzed...Ch. 24.7A - Give equations for the formation and...Ch. 24.7B - Prob. 24.16PCh. 24.7C - Prob. 24.17PCh. 24.8B - Draw the complete structures of the following...Ch. 24.9C - Prob. 24.19PCh. 24.9C - Prob. 24.20PCh. 24.9C - Prob. 24.21PCh. 24.9E - Prob. 24.22PCh. 24.9E - Prob. 24.23PCh. 24.10A - Propose a mechanism for the coupling of acetic...Ch. 24.10B - Show how you would synthesize Leu-Gly-Ala-Val-Phe...Ch. 24.10B - Show how solid-phase peptide synthesis would be...Ch. 24 - a. The isoelectric point (pl) of phenylalanine is...Ch. 24 - Prob. 24.28SPCh. 24 - Prob. 24.29SPCh. 24 - Prob. 24.30SPCh. 24 - Prob. 24.31SPCh. 24 - Suggest a method for the synthesis of the...Ch. 24 - Prob. 24.33SPCh. 24 - Write the complete structures for the following...Ch. 24 - The following structure is drawn in an...Ch. 24 - Prob. 24.36SPCh. 24 - Prob. 24.37SPCh. 24 - Show the steps and intermediates in the synthesis...Ch. 24 - Prob. 24.39SPCh. 24 - Lipoic acid is often found near the active sites...Ch. 24 - Prob. 24.41SPCh. 24 - Prob. 24.42SPCh. 24 - Prob. 24.43SPCh. 24 - Complete hydrolysis of an unknown basic...Ch. 24 - Prob. 24.45SPCh. 24 - Prob. 24.46SPCh. 24 - Prob. 24.47SP
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
- Isoleucine and threonine are the only two amino acids with two chirality centers. Assign R or S configuration to the methyl-bearing carbon atom of isoleucine.arrow_forwardWhat are the stereochemical descriptors for mannose and fucose in the above scheme? 1. Both are d-sugars. 2. Both are l-sugars. 3. Mannose is d and fucose is l. 4. Mannose is l and fucose is d.arrow_forward(a) The two most acidic hydrogens of uracil have pKa’s of 9.5 and 14.2, respectively. Match these pKa’s with the hydrogens in the structural formula and provide structures for the most stable resonance contributors of the monoanion and the dianion.(b) The pKa of the conjugate acid of triethylamine is 10.4. Is triethylamine a strong enough base to convert uracil to its monoanion? To its dianion?arrow_forward
- The Ka of a acetic acid is 1.7 x 10-5. What is the pKa of acetic acid?arrow_forwardIdentify the Cholesterol Sterate peak of the GC-MS of Burn Morel mushrooms (Tomentosa) and the M (+/-) peaks that are present. Include the mass and signature intensities of the peaks main product.arrow_forwardEvidence for the role of acetate in fatty-acid biosynthesis comes from isotopelabeling experiments. If acetate labeled with 13C in the methyl group (13CH3CO2H) were incorporated into fatty acids, at what positions in the fattyacid chain would you expect the 13C label to appear?arrow_forward
- Acetic, formic, hydrofluoric, and acetylsalicylic acids have the following values of pKa (25°C), respectively: 4.74, 3.74, 3.17, 3.49. Order these acids in order acidity (from highest to lowest acidity)arrow_forwardMannose is an aldohexose with relative stereochemistry AABB. i) Draw the Fischer projection of 2-amino-2-deoxy-D-mannose. ii) Construct the Haworth projection of 2-amino-2-deoxy-D-mannose. iii) Assign the absolute configuration for C-3 in 2-amino-2-deoxy-D-mannose.arrow_forwardThe isoelectric point (pI) of phenylalanine is pH 5.5. Draw the structure of the major form of phenylalanine at pHvalues of 1, 5.5, and 11.arrow_forward
- 1. Choose the proper structure of the predominant form of G-L-R-L-P-L-E at pH 2. Provide a short explanation.arrow_forwardThe side chain of acetyl-L-lysine-OMe has a pKa=10.5 and its acid-dissociation reaction is shown below. C. what is the pH of a solution wherein the ration of [A-]/[HA]=1:10?arrow_forwardA stock solution of alcohol dehydrogenase (ADH) has been diluted 1 in 10 and the absorbance reading at 280 nm of this diluted solution is 0.04. Given that the absorption coefficient for ADH at 280 nm is e mg/ml = 1.6 and that you require to do 30 assays in triplicate, each assay using 2 ug of enzyme, how many ul of the stock ADH do you need to do the experiment?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
Macroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks Cole
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
Macroscale and Microscale Organic Experiments
Chemistry
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Brooks Cole