EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
3rd Edition
ISBN: 9780133858501
Author: Bruice
Publisher: PEARSON CO
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Textbook Question
Chapter 17.4, Problem 7P
Calculate the pI of each of the following amino acids:
- a. asparagine
- b. Arginine
- c. Serine
- d. aspartate
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26. Almost all proteins are composed from a set of about
amino acids.
20
d. 50
a. 4
27.
a. 5
b. 10
amino acids are considered essential.
b. 10
C.
C.
15
d. 20
refer to the structure
1. This drug may likely bind to what protein?
a. Alphaglycoprotein
b. Bilirubin
c. Albumin
d. Globulin
2. What is the IUPAC name of this compound?
a. Octanoic acid
b. 2 – propylpentanoic acid
c. 1 – butylbutanoic acid
d. 2 – methylheptanoic acid
3. This drug may likely affects what neurotransmitter?
a. Norepinephrine
b. Gamma amino butyric acid
c. Glutamate
d. Dopamine
4. This drug affects what type of ion gated channel?
a. Sodium
b. Potassium
c. Calcium
d. Both A and B
e. Both A and C
f. Both B and C
5. This drug is a powerful
a. Antiparkinsonism
b. Anticonvulsant
c. Antipsychotic
d. Antidepressant
34. Which of the following is not a property of amino acids
a. Buffer
35. The protein primary structure is held together by
a. Hydrogen bonds
b. Isoelectric point
C.
Zwitterions
d. Insoluble in water
b. Disulfide bonds
c. Peptide bonds
d. Protein bonds
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...
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- of a protein. 15. The amino acid sequence is the a. primary structure b. secondary structure c. tertiary structure d. quaternary structure e. both secondary and tertiaryarrow_forward1. The pyrimidine heterocyclic system is present in the structure of drugs: A. Theophylline B. Folic acid C. Phenazepam D. Aminazinarrow_forwardDraw each amino acid in its dipolar ion form. a. Val b. Phe c. Tyr d. Cysarrow_forward
- what explains the pH dependence of prior protein folding? a. Hydrogen ions interfere with disulfide bond formation. b. Hydrogen ions interfere with hydrogen bonding to form secondary c. Hydrogen ions interfere with hydrophobic interactions in the proteins d. Hydrogen ions interfere with the primary amino acid sequence what is the osmolarity when 1.5 mole MgC12 is added to 1 liter of water? a. 1.2 Osmol 3 Osmol c. 4.5 Osmol d. 6 Osmol What is the pH of 1.75M benzoic acid given Ka-6.4-10^-5 a. 1.35 b. 1.98. c. 4.20 d. 4.96 What type of bonds are sodium and fluorine likely to form given electronegativity values of .93 and 3.98 for sodium and fluorine, respectively? a. Covalent b. Hydrogen c. Ionic d. Metallic How many electrons are present within the valence shell of an atom that satisfies the octet rule? a. b. 2 C. d. 8 What concentration of acid is used to create a 10mM pH 7.6 sodium phosphate buffer with a pKa of 7.2? a. .003M b. .007M C. 1.2M d. 2.85M What is the sum of pH and pOH…arrow_forward9) A COOH H₂N-C-H CH₂ CH₂ CH₂ CH₂ NH₂ 2.18 Coo H₂N-C-H CH₂ CH₂ CH₂ 8.95 Coo HN-C-H CH₂ CH₂ CH₂ 1 CH₂ NH₂ 16.53 What is this amino acid and the pl? a) This is arginine and the pl is 8.50 b) This is glutamine and the pl is 5.57 c) This is arginine and the pl is 9.62 Coo H₂N-C-H CH₂ 1 CH₂ CH₂ CH₂ NH₂arrow_forwardi 3. Identify which of the following pairs of amino acid residues can have London dispersion forces between their side chains. a. Alanine and Glycine b. Leucine and Isoleucine Valine and Asparagine C. d. Threonine and Tyrosinearrow_forward
- 4. How is the following amino acid classified? H3Ñ-CHC-o CH2 a. nonpolar b. polar neutral c. polar acidic d. polar basicarrow_forward4. What is the strongest type of non-covalent interactions that could form between the following amino acids' side chains? a. Valine and Alanine b. Glutamic acid and Serine c. Asparagine and Threonine d. Lysine and Aspartic acidarrow_forwardIn the tetrapeptide Phe-Gln-Trp-His, the C-terminal amino acid is A. Phe B. Trp C. His D. Glnarrow_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