Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 28, Problem 28.12P
(a)
Interpretation Introduction
Interpretation:
The structural formula of the
Concept Introduction:
The Nucleotide consists of the Nitrogenous base, Sugar molecule and Phosphate ion. The Nitrogenous base and Sugar molecule are linked by β-N-glycosidic bond. The Sugar molecule and phosphate ion are linked by ester bond. The base and sugar molecule are said to be Nucleoside.
(b)
Interpretation Introduction
Interpretation:
The structural formula of the nucleotide Guanosine-
Concept Introduction:
The Nucleotide consists of the Nitrogenous base, Sugar molecule and Phosphate ion. The Nitrogenous base and Sugar molecule are linked by β-N-glycosidic bond. The Sugar molecule and phosphate ion are linked by ester bond. The base and sugar molecule are said to be Nucleoside.
(c)
Interpretation Introduction
Interpretation:
The structural formula of the nucleotide
Concept Introduction:
The Nucleotide consists of the Nitrogenous base, Sugar molecule and Phosphate ion. The Nitrogenous base and Sugar molecule are linked by β-N-glycosidic bond. The Sugar molecule and phosphate ion are linked by ester bond. The base and sugar molecule are said to be Nucleoside.
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Draw a structural formula for each nucleotide and estimate its net charge at pH 7.4, the pH of blood plasma.
(a) Guanosine 3'-monophosphate (GMP)
Draw a structural formula for each nucleotide and estimate its net charge at pH 7.4, the pH of blood plasma.
(a) 2'-Deoxyadenosine 5'-triphosphate (dATP)
Draw the structures of the following nucleotides.(a) guanosine triphosphate (GTP)(b) deoxycytidine monophosphate (dCMP)(c) cyclic guanosine monophosphate (cGMP)
Chapter 28 Solutions
Organic Chemistry
Ch. 28.1 - Prob. 28.1PCh. 28.2 - Prob. 28.2PCh. 28.2 - Prob. 28.3PCh. 28.3 - Here is a portion of the nucleotide sequence in...Ch. 28.4 - The following section of DNA codes for oxytocin, a...Ch. 28.5 - Prob. 28.6PCh. 28 - Prob. 28.7PCh. 28 - Following are structural formulas for cytosine and...Ch. 28 - Prob. 28.9PCh. 28 - Prob. 28.10P
Ch. 28 - Prob. 28.11PCh. 28 - Prob. 28.12PCh. 28 - Prob. 28.13PCh. 28 - Prob. 28.14PCh. 28 - Prob. 28.15PCh. 28 - Draw a structural formula of the DNA...Ch. 28 - List the postulates of the Watson-Crick model of...Ch. 28 - Prob. 28.18PCh. 28 - Prob. 28.19PCh. 28 - Prob. 28.20PCh. 28 - Prob. 28.21PCh. 28 - Prob. 28.22PCh. 28 - Prob. 28.23PCh. 28 - Prob. 28.24PCh. 28 - Write the DNA complement for 5-ACCGTTAAT-3. Be...Ch. 28 - Prob. 28.26PCh. 28 - Prob. 28.27PCh. 28 - Compare DNA and RNA is these ways. (a)...Ch. 28 - What type of RNA has the shortest lifetime in...Ch. 28 - Prob. 28.30PCh. 28 - Prob. 28.31PCh. 28 - Prob. 28.32PCh. 28 - Write the mRNA codons for the following. (a)...Ch. 28 - Prob. 28.34PCh. 28 - Prob. 28.35PCh. 28 - Prob. 28.36PCh. 28 - Prob. 28.37PCh. 28 - Prob. 28.38PCh. 28 - Prob. 28.39PCh. 28 - What polypeptide is coded for by this mRNA...Ch. 28 - The alpha chain of human hemoglobin has 141 amino...Ch. 28 - Prob. 28.42P
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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
- Which statement best explains the chemical differencesbetween DNA and RNA? (a) DNA has two different sugarsin its sugar–phosphate backbone, but RNA only has one.(b) Thymine is one of the DNA bases, whereas RNA’s correspondingbase is thymine minus a methyl group. (c) TheRNA sugar–phosphate backbone contains fewer oxygenatoms than DNA’s backbone. (d) DNA forms double helicesbut RNA cannot.arrow_forwardSuppose that 28% of the nucleotides in a DNA molecule are deoxythymidine 5'-monophosphate, and that during DNA replication the percentage amounts of available nucleotide bases art 22% A, 22% C, 28% G. and 28% T. Which base would be depleted first in the replication process?arrow_forwardConsider the following peptide : Phe – Glu – Ser – Met and Val – Trp – Cys – Leu. Do these peptides have different net charges at (a) pH 1? (b) pH 7? Indicate the charges at both pH valuesarrow_forward
- Researchers analysed a glycopeptide (a peptide carrying one or several oligosaccharide groups) and determined both the sequence of the peptide and the sequence of the sugar molecule. The latter was identified as a diholoside coupled to the peptide by an osidic bond. The systematic name of this sugar is: B-D-glucopyranosyl-(1→4)-ß-D-galactopyranose. : Represent the chemical formula of this diholoside in a way that all oses are Question 1 represented according to the Haworth convention. Apart from the furane and/or pyrane cycles all atoms of this molecule must be given.arrow_forwardAnswer the following questions:(i) Why are vitamin A and vitamin C essential for us?(ii) What is the difference between a nucleoside and a nucleotide?arrow_forwardWrite the complete structures for the following peptides. Tell whether each peptide is acidic, basic, or neutral.(a) methionylthreonine (b) threonylmethioninearrow_forward
- (iii)How many different trinucleotide can be formed by combining the nucleotide bases ATG? Each trinucleotide must contain one of each baseHINT;One combination is A-T-G.arrow_forward(a) The 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.(b) The isoelectric point of histidine is pH 7.6. Draw the structures of the major forms of histidine at pH values of 1, 4,7.6, and 11. Explain why the nitrogen in the histidine ring is a weaker base than the a-amino group.(c) The isoelectric point of glutamic acid is pH 3.2. Draw the structures of the major forms of glutamic acid at pH valuesof 1, 3.2, 7, and 11. Explain why the side-chain carboxylic acid is a weaker acid than the acid group next to thea-carbon atomarrow_forwardDraw the form of aspartate that predominates at the following pH values: pH = 6.0arrow_forward
- At very low pH, alanine is a diprotic acid that can be represented as H3N1-CH(CH3)-COOH. The pKa of the carboxyl group is 2.3, and the pKa of the UNH1 3 group is 9.7.(a) At pH 7, what fraction of the amino acid molecules dissolved in an aqueous solution will have the form H3N1-CH(CH3)-COO2?(b) What fraction of the molecules at this pH will havethe form H2N-CH(CH3)-COOH?arrow_forwardAnswer the (b) part of the question 6 (a) A decapeptide has the following amino acid composition: Ala2 , Arg, Cys, Glu, Gly, Leu, Lys, Phe, Val Partial hydrolysis yields the following tripeptides: Cys-Glu-Leu + Gly-Arg-Cys + Leu-Ala-Ala+ Lys-Val-Phe + Val-Phe-Gly. Reaction of the decapeptide with 2,4-dinitrofluorobenzene yields 2,4-dinitrophenylysine. From the experimental data, deduce the primary structure of the decapeptide. (b) Suggest a scheme you will follow to synthesize the dipeptide Ala-Glyarrow_forwardThis is a three-part question about a tripeptide. Answer all three sub-questions. The pKR of side chains of Tyr, and Lys is 10.46 and 10.54 respectively. The molecular weight of amino acids Ala, Lys, and Tyr in neutral form is 89.1, 146.2, and 181.2 Da, respectively. 1) Draw the chemical structure of the dominant form of tripeptide AKY at pH = 11.5, ensure you have the correct stereochemistry and ionization state of each functional group (Hint, lysine has a C-epsilon as the furthest carbon from C- alpha). 2) Calculate the pl of tripeptide AKY, assuming the terminal amino group has a pKa of 8.0, and the terminal carboxyl group has a pKa of 3.5 i^ 3) Calculate the molecular weight of AKY at pl (arrow_forward
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