Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Textbook Question
Chapter 28.SE, Problem 18MP
One of the steps in the biosynthesis of a
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Here is a portion of the nucleotide sequence in phenylalanine tRNA.
3'-ACCACCUGCUCAGGCCUU-5'
Write the nucleotide sequence of its DNA complement
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.
This is a segment of a nucieic acid. (a) is this a segment of RNA
DNA
and name each nucieotide.
(g)
NH2
но
NH2
0=P-O
NH2
H
H
0=P-O
O=P-O
Chapter 28 Solutions
Organic Chemistry
Ch. 28.1 - Draw the full structure of the DNA dinucleotide...Ch. 28.1 - Draw the full structure of the RNA dinucleotide...Ch. 28.2 - What sequence of bases on one strand of DNA is...Ch. 28.4 - Show how uracil can form strong hydrogen bonds to...Ch. 28.4 - What RNA base sequence is complementary to the...Ch. 28.4 - From what DNA base sequence was the following RNA...Ch. 28.5 - List codon sequences for the following amino...Ch. 28.5 - List anticodon sequences on the tRNAs carrying the...Ch. 28.5 - What amino acid sequence is coded by the following...Ch. 28.5 - What is the base sequence in the original DNA...
Ch. 28.7 - Prob. 11PCh. 28.7 - Prob. 12PCh. 28.SE - Identify the following bases, and tell whether...Ch. 28.SE - Identify the following nucleotide, and tell how it...Ch. 28.SE - Amine bases in nucleic acids can react with...Ch. 28.SE - The final step in DNA synthesis is deprotection by...Ch. 28.SE - The final step in the metabolic degradation of...Ch. 28.SE - One of the steps in the biosynthesis of a...Ch. 28.SE - One of the steps in the metabolic degradation of...Ch. 28.SE - One of the steps in the biosynthesis of uridine...Ch. 28.SE - Human brain natriuretic peptide (BNP) is a small...Ch. 28.SE - Human and horse insulin both have two polypeptide...Ch. 28.SE - The DNA of sea urchins contains about 32% A. What...Ch. 28.SE - The codon UAA stops protein synthesis. Why does...Ch. 28.SE - Which of the following base sequences would most...Ch. 28.SE - For what amino acids do the following...Ch. 28.SE - Prob. 27APCh. 28.SE - Prob. 28APCh. 28.SE - Draw the complete structure of the ribonucleotide...Ch. 28.SE - Draw the complete structure of the...Ch. 28.SE - Give an mRNA sequence that will code for the...Ch. 28.SE - Give an mRNA sequence that will code for the...Ch. 28.SE - What amino acid sequence is coded for by the...Ch. 28.SE - What amino acid sequence is coded for by the...Ch. 28.SE - Prob. 35APCh. 28.SE - Show the steps involved in a laboratory synthesis...Ch. 28.SE - Draw the structure of cyclic adenosine...Ch. 28.SE - Prob. 38AP
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- Draw the complete structure of the ribonucleotide codon UAC. For what amino acid does this sequence code?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_forward22-47 How many different tetrapeptides can be made (a) if the peptides contain the residues of asparagine, proline, serine, and metbionine and (b) if all 20 amino acids can be used?arrow_forward
- From what DNA base sequence was the following RNA sequence transcribed? (5') UUCGCAGAGU (3')arrow_forward22-93 What charges are on aspartic acid at pH 2.0?arrow_forward22-84 How many different dipeptides can be made (a) using only alanine, tryptophan, glutamic acid, and arginine and (b) using all 20 amino acids?arrow_forward
- Draw the DNA dinucleotide (two nucleotides joined by a phosphodiester) formed if two deoxythymidine monophosphates undergo a condensation reaction. Label the 5’ and 3’ ends of your structure. Identify the phosphodiester bond.arrow_forwardExposure to nitrous acid (see Section 19-16), sometimes found in cells, can convert cytosine to uracil.(a) Propose a mechanism for this conversion.(b) Explain how this conversion would be mutagenic upon replication.(c) DNA generally includes thymine, rather than uracil (found in RNA). Based on this fact, explain why the nitrous-acidinduced mutation of cytosine to uracil is more easily repaired in DNA than it is in RNA.*arrow_forwardDraw an example of each of the followings: 1- a simple sugar, 2- an acid sugar, 3- an alcohol sugar, 4- a deoxy sugar, 5- a saturated fatty acid, 6- an unsaturated fatty acid, 7- a triglyceride, 8- a phospholipid, 9- a steroid, 10- an amino acid, 11- a small peptide, and lastly 12- a DNA nucleotide and 13- an RNA nucleotidearrow_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_forwardWhat is the length, in nm, of a linear fragment of a double-stranded DNA composed of 855 bp and in B-form?arrow_forwardhow would you draw dinucleotide 5'GC3' that would be found in RNA.arrow_forward
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Nucleic acids - DNA and RNA structure; Author: MEDSimplified;https://www.youtube.com/watch?v=0lZRAShqft0;License: Standard YouTube License, CC-BY