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Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
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Question
Chapter 25, Problem 8PP
Interpretation Introduction
Interpretation:
The intermediate formed during the conversion of adenine to hypoxanthine, hydrogen bonds of hypoxanthine-cytosine base pair and the consequences it would have through two rounds of DNA (deoxyribonucleic acid) replication is to be shown.
Concept Introduction:
▸ Normally, in DNA, adenine pairs with thymine by forming two hydrogen bonds. On treatment with nitrous acid, amino group of adenine undergoes changes to form diazonium and finally gets removed.
▸ Hypoxanthine forms two hydrogen bonds with cytosine instead of thymine. This mispairing then passes on to the daughter DNA formed during replication and further brings about permanent changes (mutations).
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Chapter 25 Solutions
Organic Chemistry
Ch. 25 - Prob. 1PPCh. 25 - Prob. 2PPCh. 25 - Prob. 3PPCh. 25 - Prob. 4PPCh. 25 - Prob. 5PPCh. 25 - Practice Problem 25.6 (a) There are approximately...Ch. 25 - Prob. 7PPCh. 25 - Prob. 8PPCh. 25 - Prob. 9PPCh. 25 - Practice Problem 25.10
The sense strand of a...
Ch. 25 - Practice Problem 25.11
(a) Using the first codon...Ch. 25 - Write the structure of the RNA dinucleotide GC in...Ch. 25 - 25.13 Write the structure of the DNA dinucleotide...Ch. 25 - The example of a silylHilbertJohnson...Ch. 25 - Prob. 15PCh. 25 - Prob. 16PCh. 25 - Research suggests that expression of certain genes...
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Similar questions
- On complete hydrolysis, a polypeptide gives two alanine, one leucine, one methionine, one phenylalanine, and one valine residue. Partial hydrolysis gives the following fragments: Ala-Phe, Leu-Met, Val-Ala, Phe-Leu. It is known that the first amino acid in the sequence is valine and the last one is methionine. What is the complete sequence of amino acids?arrow_forwardSuppose that 30% of the nucleotides in a DNA molecule are deoxyguanosine 5'- monophosphate, and that during DNA replication the percentage amounts of available nucleotide bases are 20% A, 20% C. 30% G. and 30% T. Which base would be depleted first in the replication process?arrow_forward22-42 (a) How many atoms of the peptide bond lie in the same plane? (b) Which atoms are they?arrow_forward
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- Is the trinucleotide in Problem 22-32 found only in DNA, found only in RNA, or found in both DNA and RNA? Explain the basis for your answer.arrow_forwardDraw Fisher projections representing the D and L forms of the following: a.aspartate b.phenylalaninearrow_forward22-48 How many amino acid residues in the A chain of insulin are the same in insulin from humans, cattle (bovine), hogs, and sheep?arrow_forward
- During base excision repair, DNA glycosylase cleaves theN-glycosidic link between the altered base and the deoxyribose component of the nucleotide. Draw a typical nucleotideand indicate which bond is cleaved.arrow_forwardWhat amino acid does each abbreviation stand for? (a) Phe (b) Ser (c) Asp (d) Gln (e) His (f) Gly (g) Tyrarrow_forwardTreatment of adenosine with nitrous acid gives a nucleoside known as inosine. Suggest a reasonable mechanism for this reaction.arrow_forward
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