EBK ORGANIC AND BIOLOGICAL CHEMISTRY
7th Edition
ISBN: 9780100547742
Author: STOKER
Publisher: YUZU
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 9, Problem 9.72EP
Consider the tripeptide leucylvalyltryptophan.
- a. Specify its structure using three-letter symbols for the amino acids.
- b. How many peptide bonds are present within the peptide?
- c. Which of the amino acid residues has the largest R group?
- d. Which of the amino acid residues, if any, has a basic side chain?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Please answer 1, 2 and 3 on the end
In the box below, specify which of the given compounds are very soluble in polar aprotic solvents. You may select more than one compound. Choose one or more: NaCl NH4Cl CH3CH2CH2CH2CH2CN CH3CH2OH hexan-2-one NaOH CH3SCH3
On the following structure, select all of the atoms that could ACCEPT a hydrogen bond. Ignore possible complications of aromaticity. When selecting be sure to click on the center of the atom.
Chapter 9 Solutions
EBK ORGANIC AND BIOLOGICAL CHEMISTRY
Ch. 9.1 - Prob. 1QQCh. 9.1 - Proteins are naturally occurring unbranched...Ch. 9.2 - Prob. 1QQCh. 9.2 - How do the various standard amino acids differ...Ch. 9.2 - The number of carboxyl groups and amino groups...Ch. 9.2 - How many different subclassifications are there...Ch. 9.2 - Which of the following statements concerning...Ch. 9.3 - Prob. 1QQCh. 9.3 - Proteins from plant sources are a. always complete...Ch. 9.3 - Incomplete dietary proteins contain inadequate...
Ch. 9.4 - Which of the following statements concerning the...Ch. 9.4 - Prob. 2QQCh. 9.4 - Which of the following statements concerning...Ch. 9.5 - Which of the standard amino acids exist as...Ch. 9.5 - Which of the following is the zwitterion ion...Ch. 9.5 - Which of the following is the structural form for...Ch. 9.6 - Cysteine is unique among standard amino acids in...Ch. 9.6 - Prob. 2QQCh. 9.7 - The joining together of two amino acids to form a...Ch. 9.7 - Prob. 2QQCh. 9.7 - Which of the following statements concerning the...Ch. 9.7 - What functional group is present in the bond...Ch. 9.7 - How many isomeric tripeptides can be formed from...Ch. 9.8 - The two best-known peptide hormones present in the...Ch. 9.8 - Which of the following peptides is an important...Ch. 9.9 - The term protein is generally reserved for...Ch. 9.9 - The presence of which of the following is a...Ch. 9.9 - Which of the following is not a distinguishing...Ch. 9.10 - Prob. 1QQCh. 9.10 - Prob. 2QQCh. 9.10 - Two different proteins that contain the same...Ch. 9.11 - Prob. 1QQCh. 9.11 - Prob. 2QQCh. 9.11 - Which of the following statements concerning the ...Ch. 9.12 - Interactions between amino acid R groups are...Ch. 9.12 - Prob. 2QQCh. 9.12 - R group interactions between which of the...Ch. 9.13 - Prob. 1QQCh. 9.13 - Prob. 2QQCh. 9.14 - The complete hydrolysis of a protein produces a...Ch. 9.14 - Which of the following statements concerning...Ch. 9.15 - Which of the following levels of protein structure...Ch. 9.15 - Which of the following does not involve protein...Ch. 9.15 - Which of the following is not a denaturing agent...Ch. 9.16 - Which of the following statements concerning...Ch. 9.16 - Prob. 2QQCh. 9.16 - Prob. 3QQCh. 9.16 - In which of the following pairs of proteins are...Ch. 9.17 - Insulin and human growth hormone are examples of...Ch. 9.17 - Myoglobin and transferrin are examples of a....Ch. 9.17 - Prob. 3QQCh. 9.18 - Prob. 1QQCh. 9.18 - Which of the following statements concerning basic...Ch. 9.18 - Which of the following statements about antibodies...Ch. 9.19 - Prob. 1QQCh. 9.19 - Prob. 2QQCh. 9.19 - In which of the following pairs of plasma...Ch. 9 - Prob. 9.1EPCh. 9 - What element is always present in proteins that is...Ch. 9 - What percent of a cells overall mass is accounted...Ch. 9 - Prob. 9.4EPCh. 9 - What is signified when an amino acid is designated...Ch. 9 - Prob. 9.6EPCh. 9 - Prob. 9.7EPCh. 9 - Indicate whether or not each of the following...Ch. 9 - Prob. 9.9EPCh. 9 - How many carbon atoms are present in the R group...Ch. 9 - Prob. 9.11EPCh. 9 - Prob. 9.12EPCh. 9 - Prob. 9.13EPCh. 9 - Prob. 9.14EPCh. 9 - Prob. 9.15EPCh. 9 - Prob. 9.16EPCh. 9 - Prob. 9.17EPCh. 9 - Prob. 9.18EPCh. 9 - Prob. 9.19EPCh. 9 - Prob. 9.20EPCh. 9 - Prob. 9.21EPCh. 9 - Prob. 9.22EPCh. 9 - In what way is the structure of the amino acid...Ch. 9 - Which two of the standard amino acids are...Ch. 9 - Prob. 9.25EPCh. 9 - Prob. 9.26EPCh. 9 - Indicate whether or not each of the following...Ch. 9 - Prob. 9.28EPCh. 9 - Prob. 9.29EPCh. 9 - Prob. 9.30EPCh. 9 - Prob. 9.31EPCh. 9 - Prob. 9.32EPCh. 9 - Prob. 9.33EPCh. 9 - Prob. 9.34EPCh. 9 - To which family of mirror-image isomers do nearly...Ch. 9 - In what way is the structure of glycine different...Ch. 9 - Draw Fischer projection formulas for the following...Ch. 9 - Draw Fischer projection formulas for the following...Ch. 9 - Prob. 9.39EPCh. 9 - Prob. 9.40EPCh. 9 - At room temperature, amino acids are solids with...Ch. 9 - At room temperature, most amino acids are not very...Ch. 9 - Draw the zwitterion structure for each of the...Ch. 9 - Draw the zwitterion structure for each of the...Ch. 9 - Draw the structure of serine at each of the...Ch. 9 - Prob. 9.46EPCh. 9 - Prob. 9.47EPCh. 9 - Most amino acids have isoelectric points between...Ch. 9 - Glutamic acid exists in two low-pH forms instead...Ch. 9 - Arginine exists in two high-pH forms instead of...Ch. 9 - Prob. 9.51EPCh. 9 - In a high-pH aqueous solution, indicate whether...Ch. 9 - When two cysteine molecules dimerize, what happens...Ch. 9 - What chemical reaction involving the cysteine...Ch. 9 - What two functional groups are involved in the...Ch. 9 - Prob. 9.56EPCh. 9 - Prob. 9.57EPCh. 9 - Prob. 9.58EPCh. 9 - Prob. 9.59EPCh. 9 - What are the two alternating structure units...Ch. 9 - Draw a complete condensed structural...Ch. 9 - Draw a complete condensed structural...Ch. 9 - With the help of Table 20-1, identify the amino...Ch. 9 - Prob. 9.64EPCh. 9 - Prob. 9.65EPCh. 9 - With the help of Table 20-1, assign an IUPAC name...Ch. 9 - Prob. 9.67EPCh. 9 - Draw condensed structural formulas for the...Ch. 9 - Prob. 9.69EPCh. 9 - For the tripeptide SerArgIle which amino acid...Ch. 9 - Prob. 9.71EPCh. 9 - Consider the tripeptide leucylvalyltryptophan. a....Ch. 9 - Explain why the notations SerCys and CysSer...Ch. 9 - Explain why the notations AlaGlyValAla and...Ch. 9 - Prob. 9.75EPCh. 9 - There are a total of six different amino acid...Ch. 9 - Compare the structures of the protein hormones...Ch. 9 - Compare the protein hormones oxytocin and...Ch. 9 - Prob. 9.79EPCh. 9 - Compare the structures of the peptide...Ch. 9 - Prob. 9.81EPCh. 9 - Prob. 9.82EPCh. 9 - Prob. 9.83EPCh. 9 - Prob. 9.84EPCh. 9 - Indicate whether each of the following statements...Ch. 9 - Indicate whether each of the following statements...Ch. 9 - Prob. 9.87EPCh. 9 - Two proteins with the same amino acid composition...Ch. 9 - Prob. 9.89EPCh. 9 - Prob. 9.90EPCh. 9 - Prob. 9.91EPCh. 9 - Prob. 9.92EPCh. 9 - Prob. 9.93EPCh. 9 - Prob. 9.94EPCh. 9 - Prob. 9.95EPCh. 9 - Prob. 9.96EPCh. 9 - Prob. 9.97EPCh. 9 - Prob. 9.98EPCh. 9 - Prob. 9.99EPCh. 9 - Why is the phrase unstructured segment of a...Ch. 9 - State the four types of attractive forces that...Ch. 9 - Prob. 9.102EPCh. 9 - Prob. 9.103EPCh. 9 - Prob. 9.104EPCh. 9 - Prob. 9.105EPCh. 9 - Prob. 9.106EPCh. 9 - Indicate whether each of the following statements...Ch. 9 - Prob. 9.108EPCh. 9 - Prob. 9.109EPCh. 9 - Prob. 9.110EPCh. 9 - Prob. 9.111EPCh. 9 - Quaternary protein structure is more easily...Ch. 9 - Prob. 9.113EPCh. 9 - Prob. 9.114EPCh. 9 - Prob. 9.115EPCh. 9 - Prob. 9.116EPCh. 9 - Prob. 9.117EPCh. 9 - How many different di- and tripeptides could be...Ch. 9 - Identify the primary structure of a hexapeptide...Ch. 9 - Identify the primary structure of a hexapeptide...Ch. 9 - Draw structural formulas for the products obtained...Ch. 9 - Prob. 9.122EPCh. 9 - Prob. 9.123EPCh. 9 - Why is complete hydrolysis of a protein not also...Ch. 9 - In what way is the protein in a cooked egg the...Ch. 9 - Why is cooked protein more easily digested than...Ch. 9 - Prob. 9.127EPCh. 9 - Indicate whether or not each of the following...Ch. 9 - Prob. 9.129EPCh. 9 - Prob. 9.130EPCh. 9 - Prob. 9.131EPCh. 9 - What is the major biochemical function of each of...Ch. 9 - Using the list in Section 20-17, characterize each...Ch. 9 - Prob. 9.134EPCh. 9 - Prob. 9.135EPCh. 9 - Prob. 9.136EPCh. 9 - What two nonstandard amino acids are present in...Ch. 9 - Prob. 9.138EPCh. 9 - Prob. 9.139EPCh. 9 - Prob. 9.140EPCh. 9 - Prob. 9.141EPCh. 9 - Prob. 9.142EPCh. 9 - Prob. 9.143EPCh. 9 - Describe the process by which blood...Ch. 9 - Prob. 9.145EPCh. 9 - Prob. 9.146EPCh. 9 - Prob. 9.147EPCh. 9 - Prob. 9.148EPCh. 9 - Prob. 9.149EPCh. 9 - As the lipid content of a plasma lipoprotein...Ch. 9 - Prob. 9.151EPCh. 9 - Prob. 9.152EP
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
- Rank the compounds below from lowest to highest melting point.arrow_forward18 Question (1 point) Draw the line structure form of the given partially condensed structure in the box provided. :ÖH HC HC H2 ΙΩ Н2 CH2 CH3 CH3 partially condensed formarrow_forwardsomeone else has already submitted the same question on here and it was the incorrect answer.arrow_forward
- The reaction: 2NO2(g) ⇌ N2O4(g) is an exothermic reaction, ΔH=-58.0 kJ/molrxn at 0°C the KP is 58.If the initial partial pressures of both NO2(g) and N2O4(g) are 2.00 atm:A) Is the reaction at equilibrium? If not, what is the value of Q? B) Which direction will the reaction go to reach equilibrium? C) Use an ICE table to find the equilibrium pressures.arrow_forwardThe dissociation of the weak acid, nitrous acid, HNO2, takes place according to the reaction: HNO2 (aq) ⇌ H+(aq) + NO2–(aq) K=7.2 X 10-4 When 1.00 mole of HNO2 is added to 1.00 L of water, the H+ concentration at equilibrium is 0.0265 M.A) Calculate the value of Q if 1.00 L of water is added? B) How will reaction shift if 1.00 L of water is added?arrow_forwardSuppose a certain copolymer elastomeric material “styrene-butadiene rubber”) contains styrene ("S") monomers –(C8H8)– and butadiene ("B") monomers –(C4H6)– and that their numerical ratio S:B = 1:8. What is the mass ratio mS:mB of the two monomers in the material? What is the molecular mass M of a macromolecule of this copolymer with degree of polymerization n = 60,000? Data: AC = 12.01 u, AH = 1.008 u.arrow_forward
- Lab Questions from Lab: Gravimetric Determination of Calcium as CaC2O4•H2O What is the purpose of the methyl red indicator? Why does a color change to yellow tell you that the reaction is complete? Why is the precipitate rinsed with ice-cold water in step 4? Why not room temperature or hot water? Why is it important that the funnels be placed in a desiccator before weighing (steps 1 and 5)?arrow_forwardWhat mass of ethylene glycol, HOCH2CH2OH, Mustbe added to 5.50 kg of water to antifreeze that would work for the car radiator to -10.0 degrees celcius? MM (g/mol): 62.07arrow_forwardWhat is the molarity of a 0.393 m glucose solution if its density is 1.16 g/mL? MM glucose 180.2 g/molarrow_forward
- The rate constant for the decay of a radioactive element is 2.28 × 10⁻³ day⁻¹. What is the half-life of this element in days?arrow_forwardHandwritten pleasearrow_forwardChoose the best reagents to complete the following reaction. i H A B 1. CH3CH2Na 2. H3O+ 1. CH3CH2MgBr 2. H3O+ 1. CH3MgBr Q C 2. H3O+ 1. H3O+ D 2. CH3MgBr 00 OH Q E CH³MgBrarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning
General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage Learning
Organic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,
World of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage Learning
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry for Today: General, Organic, and Bioche...
Chemistry
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
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,
World of Chemistry, 3rd edition
Chemistry
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Brooks / Cole / Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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