Organic Chemistry, Books a la Carte Edition (8th Edition)
8th Edition
ISBN: 9780134074580
Author: Bruice, Paula Yurkanis
Publisher: PEARSON
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Chapter 26, Problem 38P
Why does DNA not unravel completely before replication begins?
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Determine the rate order from the following data:
[Na2S2O3] Time (s)
0.0455 M 180.0
0.0909 M 90.0
0.136 M 60.0
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First order
Second order
Third order
Zero order
Write down by equation of the following reactions:
the Clemmensen reduction and synthesize of a secondary alc
Propose syntheses of the following compounds starting with benzene or toluene. Assume ortho and
isomers can be separated.
a.
b.
O₂N-
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para
0. Propose syntheses to carry out each of the following conversions. Assume ortho and para isomers can
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b.
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PABA
(active ingredient in some sunscreens)
Chapter 26 Solutions
Organic Chemistry, Books a la Carte Edition (8th Edition)
Ch. 26.1 - In acidic solutions, nucleosides are hydrolyzed to...Ch. 26.1 - Draw the structure for each of the following: a....Ch. 26.3 - Indicate whether each functional group of the five...Ch. 26.3 - Prob. 4PCh. 26.3 - If one of the strands of DNA has the following...Ch. 26.4 - The 2',3-cyclic phosphodiester that is formed...Ch. 26.5 - Using a dark line for the original parental DNA...Ch. 26.7 - Why do both thymine and uracil specify the...Ch. 26.9 - If methionine is always the first amino acid...Ch. 26.9 - Four Cs occur in a row in the segment of mRNA...
Ch. 26.9 - UAA is a stop codon. Why does the UAA sequence in...Ch. 26.9 - Prob. 12PCh. 26.9 - Write the sequences of bases in the sense strand...Ch. 26.9 - List the possible codons on mRNA that speciy each...Ch. 26.10 - Adenine can be deaminated to hypoxanthine, and...Ch. 26.10 - Explain why thymine cannot be deaminated.Ch. 26.12 - Which of the following base sequences is most...Ch. 26 - What nonapeptide is coded for by the following...Ch. 26 - What is the sequence of bases in the template...Ch. 26 - Prob. 20PCh. 26 - A segment of DNA has 18 base pairs. It has 7...Ch. 26 - Name the following:Ch. 26 - Prob. 23PCh. 26 - Propose a mechanism for the following reaction:Ch. 26 - The first amino acid incorporated into a...Ch. 26 - Match the codon with the anticodon:Ch. 26 - a. Using the single-letter abbreviations for the...Ch. 26 - Which of the following pairs of dinucleotides are...Ch. 26 - Human immunodeficiency virus (HIV) is the...Ch. 26 - If a mRNA contained only U and G in random...Ch. 26 - Why is the codon a triplet rather than a doublet...Ch. 26 - RNAase, the enzyme that catalyzes the hydrolysis...Ch. 26 - The amino acid sequences of peptide fragments...Ch. 26 - Which cytosine in the following sense strand of...Ch. 26 - Prob. 36PCh. 26 - Sodium nitrite, a common food preservative (page...Ch. 26 - Why does DNA not unravel completely before...Ch. 26 - Staphylococcus nuclease is an enzyme that...
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- H3C H C=C CH3 H m-chloroperoxybenzoic acid CH2Cl2, rt C-C--. H3CH2CC H H3C CH3 Cl₂ H₂O NaOH H₂O D. S- E. CH3 H₂O₂, H₂O It CH₂O Na + CHI F. HI, H₂O heat G. 4 OH CH3CHCH3 + ICH2CH3 1. NaH (CH3)3COH (CH3)3 COCHCH2CH3 2. CH3arrow_forward5. Show how the ether below could be prepared from toluene and any other necessary reagents. Show all reagents and all intermediate structures. H3C- H3C- CI OCH2CH3arrow_forwardGiven the major organic product(s) of each of the following reactions. If none is predicted, write "N.R." [answer 61 a. b. H3C C. NO₂ CH3CH2CH2Cl AICI 3 1) NaOH CI 2) H3O+ NO₂ 1. SnCl2, H3O+ 2. NaOH 3arrow_forward
- Please correct answer and don't used hand raitingarrow_forwardTo answer the following questions, consider the reaction below: CH3 . CH3 OH a. The best reagents for accomplishing the above transformation are.... a. 1. OsO4, pyridine 2. NaHSO3, H₂O b. 1. Hg(OAc)2, H₂O 1. C. 2. NaBH4 RCO₂H, CH2Cl₂ 2. H₂O* d. 1. BH3, THF 2. H₂O₂, OH b. The alcohol product is classified as a: a. 1° alcohol b. 2° alcohol C. 3° alcohol d. 4° alcohol c. The conversion of an alcohol into an alkyl chloride by reaction with SOCI2 is an example of: a. b. ن نخنه C. d. an El process an Syl process an E2 process an Sy2 processarrow_forwardEstimation of ash in food Questions: Q1: What does the word ash refer to? Q2: Mention the types of ash in food Q3: Mention the benefit of using a glass dryerarrow_forward
- Draw structures corresponding to the names given a. m-fluoronitrobenzene b. p-bromoaniline c. o-chlorophenol d. 3,5-dimethylbenzoic acidarrow_forwardIllustrate the reaction mechanism the following reactionarrow_forwardPropose a synthesis for the following compound using benzene or toluene and any other reagents necessary. Show all major intermediate compounds that would probably be isolated during the course of your synthesis. on. Harrow_forward
- Provide correct IUPAC names for each of the following compounds. NOT a. b. C. 2003 H,N- CH3 NH2 CHarrow_forward. Consider the reaction below to answer the following questions. OH 1. NaH 2. CH3I, ether O-CH3 A. Write the complete stepwise mechanism for the reaction. Show all intermediate structures and all electron flow with arrows. B. Mechanistically, the Williamson ether synthesis outlined above is: ن نخنه a. an El process b. an SN1 process C. an E2 process d. an SN2 process C. Alternatively, cyclopentyl methyl ether may be synthesized from cyclopentene. synthesis of cyclopentyl methyl ether from cyclopentene. Outline aarrow_forwardQ2. A good synthesis of (CH3)3C- would be: A) B) CSI3 0 CH3CC1 (CH3) 3CC1 Benzene AlCl3 AlCl3 (CH3)3CC1 CH3CC1 Benzene C) AlCl3 0 AlCl3 CH3CC1 (CH3) 2C-CH2 Bonzone AlCl3 HF D) More than one of these E) None of thesearrow_forward
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