Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 21.9, Problem 9P
A change in which base of a codon would be least likely to damage a protein?
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Chapter 21 Solutions
Essential Organic Chemistry (3rd Edition)
Ch. 21.1 - Draw the structure for each of the following: a....Ch. 21.3 - If one of the strands of DNA has the following...Ch. 21.4 - The 2,3-cyclic phosphodiester that is formed...Ch. 21.5 - Using a dark line for the original parental DNA...Ch. 21.7 - Why do both thymine and uracil specify the...Ch. 21.9 - If methionine is always the first amino acid...Ch. 21.9 - Four Cs occur in a row in the segment of mRNA...Ch. 21.9 - UAA is a stop codon. Why does the UAA sequence in...Ch. 21.9 - A change in which base of a codon would be least...Ch. 21.9 - Write the sequences of bases in the sense strand...
Ch. 21.9 - List the possible codons on mRNA that specify each...Ch. 21.10 - Adenine can be deaminated to hypoxanthine, and...Ch. 21.10 - Explain why thymine cannot be deaminated.Ch. 21.12 - Which of the following base sequences would most...Ch. 21 - Draw structures for the following: a....Ch. 21 - What nonapeptide is coded for by the following...Ch. 21 - What is the sequence of bases in the template...Ch. 21 - What is the sequence of bases in the sense strand...Ch. 21 - What would be the C-terminal amino acid if the...Ch. 21 - What would be the base sequence of the segment of...Ch. 21 - Propose a mechanism for the following reaction:Ch. 21 - A segment of DNA has 18 base pairs. It has 7...Ch. 21 - Match the codon with the anticodon: Codon: AAA GCA...Ch. 21 - Using the single-letter abbreviations for the...Ch. 21 - Indicate whether each functional group of the five...Ch. 21 - Using the A and D designations in Problem 25,...Ch. 21 - Which of the following pairs of dinucleotides are...Ch. 21 - If an mRNA contained only U and G in random...Ch. 21 - Why is the codon a triplet rather than a doublet...Ch. 21 - Human immunodeficiency virus (HIV) is the...Ch. 21 - The amino acid sequences of peptide fragments...Ch. 21 - Which cytosine in the following sense strand of...Ch. 21 - Prob. 33PCh. 21 - Why does DNA not unravel completely before...Ch. 21 - The first amino acid incorporated into a...
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- Which of the following statements about the genetic code are true and which are false? Correct each false statement. a.Each codon is composed of four bases. b.Some amino acids are represented by more than one carbon. c.All codons represent an amino acid. d.Each living species is thought to have its own unique genetic code. e.The codon AUG at the beginning of a sequence is a signal for protein synthesis to begin at that codon. f.It is not known if the code contains stop signals for protein synthesis.arrow_forwardWrite the base sequence for the mRNA that would be formed during transcription from the DNA strand with the base sequence GCCATATTG.arrow_forwardDrawing Peptide Structures Draw the tripeptide that would result from cysteine attaching to the previous dipeptide on the acidic side.arrow_forward
- Kynamro has the hydrogen bonding sequence: GCCUCAGTCTGCTTCGCACC. What is the sequence of nucleotides in the targeted mRNA?arrow_forwardIf a codon consists of two nucleotides, how many codons would be possible? Would this be a workable code for the purpose of protein synthesis?arrow_forwardIf a codon consists of four nucleotides, how many codons would be possible? Would this be workable as an amino-acid code?arrow_forward
- a Describe the three components of a nucleotide. b How does the structure of an RNA nucleotide differ from that of a DNA nucleotide?arrow_forwardIs 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_forward22-6 The members of which class of proteins are insoluble in water and can serve as structural materials?arrow_forward
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