Essential Organic Chemistry (3rd Edition)
3rd Edition
ISBN: 9780321937711
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 16P
What nonapeptide is coded for by the following fragment of mRNA?
5'—AAA—GUU—GGC—UAC—CCC—GGA—AUG—GUG—GUC—3'
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What is the sequence of bases in the template strand of DNA that codes for the mRNA 5′-AAA-GUU-GGC-UAC-CCC-GGA-AUG-GUG-GUC-3′
List the possible codons on mRNA that specify each amino acid and the anticodon on the tRNA that carries that amino acid. 5′-G-C-A-U-G-G-A-C-C-C-C-G-U-U-A-U-U-A-A-A-C-A-C-3′
what is the base sequence of the mRNA transcribed from this strand T-T-C-C-G-A-A-A-G-A-T-C?
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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- The following is a base sequence for an exon portion of a template strand of a DNA molecule: What is the base sequence of the hnRNA strand synthesized from the DNA template strand? What is the base sequence of the mRNA strand synthesized from the hnRNA strand? What codons are present in the mRNA strand produced from the DNA template strand? What tRNA molecule anticodons are needed to interact with the codons present in the mRNA strand produced from the template DNA strand?arrow_forwardIndicate whether each of the following processes occurs within the nuclear or cytoplasmic regions of a cell. a. RNA translation b. mRNA is formed c. actual protein formation occurs d. rRNA is neededarrow_forwardIs the trinucleotide in Problem 22-31 found only in DNA, found only in RNA, or found in both DNA and RNA? Explain the basis for your answer.arrow_forward
- Write the base sequence for the mRNA that would be formed during transcription from the DNA strand with the base sequence GCCATATTG.arrow_forwardConsider the following mRNA base sequence 5ACCCAC3 a. What dipeptide is coded for by this mRNA? b. What dipeptide is formed if a point mutation converts CAC to AAC? c. What dipeptide is formed if a point mutation converts ACC to ACU? d. What dipeptide is formed if a point mutation converts CAC to AAC and ACC to ACU?arrow_forwardConsider the following mRNA base sequence 5CUUCAG3 a. What dipeptide is coded for by this mRNA? b. What dipeptide is formed if a point mutation converts CUU to CUC? c. What dipeptide is formed if a point mutation converts CAG to AAG? d. What dipeptide is formed if a point mutation converts CUU to CUC and CAG to AAG?arrow_forward
- 25-8 Draw the structures of ADP and GDP. Are these structures parts of nucleic acids?arrow_forwardDraw the complete structure of the ribonucleotide codon UAC. For what amino acid does this sequence code?arrow_forwardWhat is the base sequence, specified in the 5-to-3 direction, for the DNA strand from which each of the following hnRNA base sequences was transcribed? a. 5 CCUUAA 3 b. 5 ACGUAC 3 c. 5 ACGACG 3 d. 5 UACCAU 3arrow_forward
- Give an mRNA sequence that will code for the synthesis of metenkephalin. Tyr-Gly-Gly-Phe-Metarrow_forwardFor the trinucleotide 5 UCG 3 a. How many nucleotide subunits are present in its backbone? b. How many nucleotide nonbackbone subunits are present? c. How many phosphodiester linkages are present? d. What is the overall charge carried by the trinucleotide?arrow_forward25-51 Does mRNA also have introns and exons? Explain.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