EBK BASIC CHEMISTRY
5th Edition
ISBN: 8220101472335
Author: Timberlake
Publisher: PEARSON
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Textbook Question
Chapter 18.4, Problem 18.41QAP
Peptides isolated from rapeseed that may lower blood pressure have the following sequence of ammo acids. Draw the structure for each peptide and write the one-letter abbreviations:
a. Arg-Ile-Tyr
b. Val-Trp-lle-Ser
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For the tetrapeptide Asp–Arg–Val–Tyr:a. Name the peptide using one-letter abbreviations.b. Draw the structure.c. Label all amide bonds.d. Label the N-terminal and C-terminal amino acids.
C. AMINO ACIDS AND PEPTIDES
Consider the structure of the peptide, Asn-Gln-Gly-Ala.
H₂N.
OH
Asn-Gln-Gly-Ala
NH₂
1. How many peptide bonds are present?
2. What is the N-terminal amino acid? Provide the three-letter name.
3. What is the C-terminal amino acid? Provide the three-letter name.
H₂N,
For each tripeptide: [1] draw the structure of the tripeptide; [2] label the amide bonds; [3] identify the N-terminal and C-terminal amino acids; [4] name the peptide using threeletter symbols for the amino acids. a. tyrosylleucylisoleucine b. methionylisoleucylcysteine
Chapter 18 Solutions
EBK BASIC CHEMISTRY
Ch. 18.1 - Prob. 18.1QAPCh. 18.1 - Prob. 18.2QAPCh. 18.1 - Prob. 18.3QAPCh. 18.1 - Prob. 18.4QAPCh. 18.1 - Prob. 18.5QAPCh. 18.1 - Prob. 18.6QAPCh. 18.1 - Prob. 18.7QAPCh. 18.1 - Prob. 18.8QAPCh. 18.1 - Prob. 18.9QAPCh. 18.1 - Prob. 18.10QAP
Ch. 18.1 - Prob. 18.11QAPCh. 18.1 - Prob. 18.12QAPCh. 18.2 - Prob. 18.13QAPCh. 18.2 - Prob. 18.14QAPCh. 18.2 - Prob. 18.15QAPCh. 18.2 - Prob. 18.16QAPCh. 18.2 - Prob. 18.17QAPCh. 18.2 - Prob. 18.18QAPCh. 18.2 - Prob. 18.19QAPCh. 18.2 - Prob. 18.20QAPCh. 18.3 - Prob. 18.21QAPCh. 18.3 - Prob. 18.22QAPCh. 18.3 - Caprylic acid is an 8-carbon saturated fatty acid...Ch. 18.3 - Prob. 18.24QAPCh. 18.3 - Prob. 18.25QAPCh. 18.3 - Why does olive oil have a lower melting point than...Ch. 18.3 - Prob. 18.27QAPCh. 18.3 - Prob. 18.28QAPCh. 18.3 - Write the balanced chemical equation for the NaOH...Ch. 18.3 - Prob. 18.30QAPCh. 18.3 - Prob. 18.31QAPCh. 18.3 - 18.32 What are the functional groups on the...Ch. 18.4 - Prob. 18.33QAPCh. 18.4 - Prob. 18.34QAPCh. 18.4 - Prob. 18.35QAPCh. 18.4 - Prob. 18.36QAPCh. 18.4 - Prob. 18.37QAPCh. 18.4 - Prob. 18.38QAPCh. 18.4 - Prob. 18.39QAPCh. 18.4 - Prob. 18.40QAPCh. 18.4 - Peptides isolated from rapeseed that may lower...Ch. 18.4 - Prob. 18.42QAPCh. 18.5 - Prob. 18.43QAPCh. 18.5 - Prob. 18.44QAPCh. 18.5 - Prob. 18.45QAPCh. 18.5 - Prob. 18.46QAPCh. 18.5 - Prob. 18.47QAPCh. 18.5 - Prob. 18.48QAPCh. 18.5 - Prob. 18.49QAPCh. 18.5 - Prob. 18.50QAPCh. 18.6 - Match the terms. (1) enzyme. (2) enzyme-substrate...Ch. 18.6 - 18.52 Match the terms. (1) active site, (2)...Ch. 18.6 - Prob. 18.53QAPCh. 18.6 - Prob. 18.54QAPCh. 18.7 - Prob. 18.55QAPCh. 18.7 - Prob. 18.56QAPCh. 18.7 - Prob. 18.57QAPCh. 18.7 - Prob. 18.58QAPCh. 18.7 - Prob. 18.59QAPCh. 18.7 - 18.60 Write the base sequence in a complementary...Ch. 18.7 - Prob. 18.61QAPCh. 18.7 - What is daughter DNA?Ch. 18.8 - Prob. 18.63QAPCh. 18.8 - Prob. 18.64QAPCh. 18.8 - What amino acid is coded for by each of the...Ch. 18.8 - Prob. 18.66QAPCh. 18.8 - Prob. 18.67QAPCh. 18.8 - Prob. 18.68QAPCh. 18 - Prob. 18.69FUCh. 18 - Prob. 18.70FUCh. 18 - Prob. 18.71UTCCh. 18 - Prob. 18.72UTCCh. 18 - Prob. 18.73UTCCh. 18 - Prob. 18.74UTCCh. 18 - Prob. 18.75UTCCh. 18 - Prob. 18.76UTCCh. 18 - Prob. 18.77UTCCh. 18 - Prob. 18.78UTCCh. 18 - Prob. 18.79UTCCh. 18 - Prob. 18.80UTCCh. 18 - Prob. 18.81UTCCh. 18 - Prob. 18.82UTCCh. 18 - Prob. 18.83AQAPCh. 18 - Prob. 18.84AQAPCh. 18 - Prob. 18.85AQAPCh. 18 - Prob. 18.86AQAPCh. 18 - Prob. 18.87AQAPCh. 18 - Prob. 18.88AQAPCh. 18 - Prob. 18.89AQAPCh. 18 - Draw the condensed structural formula for...Ch. 18 - Prob. 18.91AQAPCh. 18 - Prob. 18.92AQAPCh. 18 - Prob. 18.93AQAPCh. 18 - Prob. 18.94AQAPCh. 18 - Prob. 18.95AQAPCh. 18 - Prob. 18.96AQAPCh. 18 - Prob. 18.97CQCh. 18 - Prob. 18.98CQCh. 18 - Prob. 18.99CQCh. 18 - Prob. 18.100CQCh. 18 - Prob. 18.101CQCh. 18 - Prob. 18.102CQCh. 18 - Prob. 18.103CQCh. 18 - Prob. 18.104CQCh. 18 - Prob. 18.105CQCh. 18 - Prob. 18.106CQCh. 18 - Prob. 18.107CQCh. 18 - Prob. 18.108CQCh. 18 - Prob. 41CICh. 18 - Prob. 42CICh. 18 - Prob. 43CICh. 18 - Prob. 44CICh. 18 - Prob. 45CICh. 18 - Thalassemia is an inherited genetic mutation that...
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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
- 22-42 (a) How many atoms of the peptide bond lie in the same plane? (b) Which atoms are they?arrow_forwardGlutathione (G-SH), one of the most common tripeptides in animals, plants, and bacteria, is a scavenger of oxidizing agents. In reacting with oxidizing agents, glutathione is converted to G-S-S-G. (a) Name the amino acids in this tripeptide. (b) What is unusual about the peptide bond formed by the N-terminal amino acid? (c) Write a balanced half-reaction for the reaction of two molecules of glutathione to form a disulfide bond. Is glutathione a biological oxidizing agent or a biological reducing agent? (d) Write a balanced equation for reaction of glutathione with molecular oxygen, O2 to form G-S-S-G and H2O. Is molecular oxygen oxidized or reduced in this process?arrow_forwardUsing both three- and one-letter codes for amino acids, write the structures of all possible peptides containing the following amino acids: (a) Val, Ser, Leu (b) Ser, Leu2, Proarrow_forward
- 22-30 (a) Use the three-letter abbreviations to write a representation of the following tripeptide: (b) Which amino acid is at the C-terminal end, and which is at the N-terminal end?arrow_forwardAspartamen, which is commonly known as Nutrasweet contain the followin dipetide a. what are the amino acids in spartame b.circle the peptide bond c draw the structure of the isomer of the dipeptide where the C-terminal and N-terminal amino acids are switcharrow_forward
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