PRIN.OF GENERAL,ORGANIC+BIOLOG.CHEM.
2nd Edition
ISBN: 9781266811852
Author: SMITH
Publisher: MCG
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Textbook Question
Chapter 16, Problem 16.44AP
Which of the following Fischer projections represent naturally occurring amino acids? Name each amino acid and designate it as a D or L isomer.
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Complete combustion of a 0.6250 g sample of the unknown crystal with excess O2 produced 1.8546 g of CO2 and 0.5243 g of H2O. A separate analysis of a 0.8500 g sample of the blue crystal was found to produce 0.0465 g NH3. The molar mass of the substance was found to be about 310 g/mol. What is the molecular formula of the unknown crystal?
4. C6H100
5
I peak
3
2
PPM
Integration values: 1.79ppm (2), 4.43ppm (1.33)
Ipeak
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Chapter 16 Solutions
PRIN.OF GENERAL,ORGANIC+BIOLOG.CHEM.
Ch. 16.2 - In addition to the amino and carboxyl groups, what...Ch. 16.2 - How do the OH groups in Ser, Thr, and Tyr differ?Ch. 16.2 - Draw both enantiomers of each amino acid in...Ch. 16.2 - Which of the following amino acids is naturally...Ch. 16.3 - Draw the structure of the amino acid valine at...Ch. 16.3 - Identify the amino acid shown with all uncharged...Ch. 16.3 - Draw the positively charged, neutral, and...Ch. 16.4 - Identify the N-terminal and C-terminal amino acid...Ch. 16.4 - (a) Identify the N-terminal amino acid in the...Ch. 16.4 - Identify the individual amino acids in each...
Ch. 16.4 - Prob. 16.11PCh. 16.5 - Prob. 16.12PCh. 16.6 - Prob. 16.13PCh. 16.6 - Draw the structures of each pair of amino acids...Ch. 16.6 - The fibroin proteins found in silk fibers consist...Ch. 16.7 - Prob. 16.16PCh. 16.7 - Prob. 16.17PCh. 16.8 - Prob. 16.18PCh. 16.8 - Prob. 16.19PCh. 16.8 - Prob. 16.20PCh. 16.9 - Prob. 16.21PCh. 16.9 - Prob. 16.22PCh. 16.9 - The nerve gas sarin acts as a poison by covalently...Ch. 16.10 - Prob. 16.24PCh. 16 - Prob. 16.25UKCCh. 16 - Prob. 16.26UKCCh. 16 - For each amino acid: [1] draw the L enantiomer in...Ch. 16 - For each amino acid: [1] give the name; [2] give...Ch. 16 - For the given tripeptide: (a) identify the amino...Ch. 16 - For the given tripeptide: (a) identify the amino...Ch. 16 - Label the regions of secondary structure in the...Ch. 16 - Label the regions of secondary structure in the...Ch. 16 - What type of interactions occur at each of the...Ch. 16 - Using the given representations for an enzyme and...Ch. 16 - Naturally occurring amino acids are L--amino...Ch. 16 - Why do neutral amino acids exist as zwitterions...Ch. 16 - The amino acid alanine is a solid at room...Ch. 16 - Why is phenylalanine water soluble but...Ch. 16 - Draw the structure of a naturally occurring amino...Ch. 16 - Draw the structure of a naturally occurring amino...Ch. 16 - For each amino acid: [1] draw the l enantiomer in...Ch. 16 - For each amino acid: [1] draw the l enantiomer in...Ch. 16 - Draw both enantiomers of each amino acid and label...Ch. 16 - Which of the following Fischer projections...Ch. 16 - For each amino acid: [1] give the name; [2] give...Ch. 16 - For each amino acid: [1] give the name; [2] give...Ch. 16 - Draw the amino acid leucine at each pH: (a) 6; (b)...Ch. 16 - Draw the amino acid isoleucine at each pH: (a) 6;...Ch. 16 - Draw the structure of the neutral, positively...Ch. 16 - Draw the structure of the neutral, positively...Ch. 16 - For each tripeptide: [1] identify the N-terminal...Ch. 16 - For each tripeptide: [1] identify the N-terminal...Ch. 16 - For the given tripeptide: (a) identify the amino...Ch. 16 - For the given tripeptide: (a) identify the amino...Ch. 16 - Locate the peptide bond in the dipeptide shown in...Ch. 16 - Label the N-terminal and C-terminal amino acids in...Ch. 16 - Draw the structures of the amino acids formed when...Ch. 16 - Draw the structures of the amino acids formed when...Ch. 16 - What amino acids are formed by hydrolysis of the...Ch. 16 - Give the three-letter abbreviations for the amino...Ch. 16 - What is the difference between the primary and...Ch. 16 - What is the difference between the tertiary and...Ch. 16 - What type of intermolecular forces exist between...Ch. 16 - Which of the following pairs of amino acids can...Ch. 16 - List two amino acids that would probably be...Ch. 16 - List two amino acids that would probably be...Ch. 16 - Compare -keratin and hemoglobin with regards to...Ch. 16 - Compare collagen and myoglobin with regards to...Ch. 16 - When a protein is denatured, how is its primary,...Ch. 16 - Hydrogen bonding stabilizes both the secondary and...Ch. 16 - Describe the function or biological activity of...Ch. 16 - Describe the function or biological activity of...Ch. 16 - Use the given representations for an enzyme,...Ch. 16 - Use the given representations for an enzyme and...Ch. 16 - How are enzyme inhibitors used to treat high blood...Ch. 16 - How are enzyme inhibitors used to treat HIV? Give...Ch. 16 - What structural feature in -keratin makes...Ch. 16 - Why does the -keratin in hair contain many...Ch. 16 - Why must vegetarian diets be carefully balanced?Ch. 16 - Why does cooking meat make it easier to digest?Ch. 16 - Sometimes an incision is cauterized (burned) to...Ch. 16 - Prob. 16.82APCh. 16 - How is sickle cell disease related to hemoglobin...Ch. 16 - The silk produced by a silkworm is a protein with...Ch. 16 - Explain the difference in the mechanism of action...Ch. 16 - How are blood enzyme levels used to diagnose...Ch. 16 - Explain why two amino acids aspartic acid and...Ch. 16 - Prob. 16.88CP
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- 3. Consider the compounds below and determine if they are aromatic, antiaromatic, or non-aromatic. In case of aromatic or anti-aromatic, please indicate number of I electrons in the respective systems. (Hint: 1. Not all lone pair electrons were explicitly drawn and you should be able to tell that the bonding electrons and lone pair electrons should reside in which hybridized atomic orbital 2. You should consider ring strain- flexibility and steric repulsion that facilitates adoption of aromaticity or avoidance of anti- aromaticity) H H N N: NH2 N Aromaticity (Circle) Aromatic Aromatic Aromatic Aromatic Aromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic aromatic TT electrons Me H Me Aromaticity (Circle) Aromatic Aromatic Aromatic Aromatic Aromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic aromatic πT electrons H HH…arrow_forwardA chemistry graduate student is studying the rate of this reaction: 2 HI (g) →H2(g) +12(g) She fills a reaction vessel with HI and measures its concentration as the reaction proceeds: time (minutes) [IH] 0 0.800M 1.0 0.301 M 2.0 0.185 M 3.0 0.134M 4.0 0.105 M Use this data to answer the following questions. Write the rate law for this reaction. rate = 0 Calculate the value of the rate constant k. k = Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.arrow_forwardNonearrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY