Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Question
Chapter 17, Problem 33RQ
Summary Introduction
To review:
The effects of water on the structure of deoxyribonucleicacid (DNA).
Introduction:
DNA is a double-stranded polynucleotide. The nitrogenous bases present in DNA are adenine, thymine, guanine, and cytosine. The nitrogenous bases are connected by the phosphodiester bonds.
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Sequence changes in DNA are called ______________.
A base change that has no discernible effect is called a____________________ mutation.
Question 1.
Enzymes, proteins and deoxyribonucleic acid (DNA)
macromolecules. Enzymes are not only speed up the reaction, but also are necessary for DNA
repreduction.
are important biological
a) Compare the process of protein synthesis between eukaryote mRNA and viral RNA
b) With the aid of a diagram, draw an adapter molecule that recognizes the codons of mRNA
and explain its functions in DNA translation.
Chapter 17 Solutions
Biochemistry: The Molecular Basis of Life
Ch. 17 - Prob. 1QCh. 17 - Prob. 2QCh. 17 - Prob. 3QCh. 17 - Prob. 4QCh. 17 - Prob. 5QCh. 17 - Prob. 6QCh. 17 - Prob. 7QCh. 17 - Prob. 8QCh. 17 - Prob. 1RQCh. 17 - Prob. 2RQ
Ch. 17 - Prob. 3RQCh. 17 - Prob. 4RQCh. 17 - Prob. 5RQCh. 17 - Prob. 6RQCh. 17 - Prob. 7RQCh. 17 - Prob. 8RQCh. 17 - Prob. 9RQCh. 17 - Prob. 10RQCh. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Prob. 18RQCh. 17 - Prob. 19RQCh. 17 - Prob. 20RQCh. 17 - Prob. 21RQCh. 17 - Prob. 22RQCh. 17 - Prob. 23RQCh. 17 - Prob. 24RQCh. 17 - Prob. 25RQCh. 17 - Prob. 26RQCh. 17 - Prob. 27RQCh. 17 - Prob. 28RQCh. 17 - Prob. 29RQCh. 17 - Prob. 30RQCh. 17 - Prob. 31RQCh. 17 - Prob. 32RQCh. 17 - Prob. 33RQCh. 17 - Prob. 34RQCh. 17 - Prob. 35RQCh. 17 - Prob. 36RQCh. 17 - Prob. 37RQCh. 17 - Prob. 38RQCh. 17 - Prob. 39RQCh. 17 - Prob. 40RQCh. 17 - Prob. 41FBCh. 17 - Prob. 42FBCh. 17 - Prob. 43FBCh. 17 - Prob. 44FBCh. 17 - Prob. 45FBCh. 17 - Prob. 46FBCh. 17 - Prob. 47FBCh. 17 - Prob. 48FBCh. 17 - Prob. 49FBCh. 17 - Prob. 50FBCh. 17 - Prob. 51SACh. 17 - Prob. 52SACh. 17 - Prob. 53SACh. 17 - Prob. 54SACh. 17 - Prob. 55SACh. 17 - Prob. 56TQCh. 17 - Prob. 57TQCh. 17 - Prob. 58TQCh. 17 - Prob. 59TQCh. 17 - Prob. 60TQCh. 17 - Prob. 61TQCh. 17 - Prob. 62TQCh. 17 - Prob. 63TQCh. 17 - Prob. 64TQCh. 17 - Prob. 65TQCh. 17 - Prob. 66TQCh. 17 - Prob. 67TQCh. 17 - Prob. 68TQCh. 17 - Prob. 69TQCh. 17 - Prob. 70TQCh. 17 - Prob. 71TQCh. 17 - Prob. 72TQCh. 17 - Prob. 73TQ
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- Four basic properties of the genetic code are specificity, degenerate, almost universal, and _____________.arrow_forwardExpressed sequences of DNA are called ________________.arrow_forwardDNA sequences in which multiple copies are arranged nextto each other are called ____________________.arrow_forward
- The genome’s functional gene products are either _____________ or _____________.arrow_forwardQuestion 49 The Sanger method of DNA sequencing follows the principle of complementarity just like in the replication process. A) True B) Falsearrow_forwardThe eukaryotic mRNA is protected from degradation by a 3′ _____________.arrow_forward
- An inappropriate base change that has no discernible effect is called a _____________ mutation.arrow_forwardQuestion 1.)Draw the main chain structure of a parallel beta sheet that has 4 amino acids in one strand and 5 in the other. Show all of the backbone atoms.Write R1, R2, R3, etc, instead of drawing side chains with the following exception: draw one proline in its entiretywith its side chain. You can put it anywhere in your sheet – I will find it. Add in all hydrogen bonds that stabilize this sheet using dashed lines.arrow_forwardQUESTION NO. 1 Patients with the rare genetic disease xeroderma pigmentosum (XP) are very sensitive to light and are highly susceptible to skin cancers. The study of such patients has enhanced our knowledge of DNA repair because XP is caused by defective DNA repair nucleotide excision repair. (A variant, XP-V, is deficient in postreplication repair.) In nucleotide excision repair A. removal of the damaged bases occurs on only one strand of the DNA. B. only thymine dimers generated by UV light can be removed . C. the excision nuclease is an exonuclease. D. a single multifunctional enzyme carries out the repair process. E. only the damaged nucleotides are removed. QUESTION NO.2 Homologous recombination: A. occurs only between two segments from the same DNA molecule. B. requires that a specific DNA sequence be present. C. requires one of the duplexes undergoing recombination be nicked in both strands. D. involves a…arrow_forward
- Question 45 When TRNAS and rRNAs have bases that H-bonds with other bases far apart from each other, the RNA molecules assume its secondary and tertiary structure. A) True B) Falsearrow_forwardThe two strands of DNA in a double helix are ______________.arrow_forwardQuestion 1. The nitrogenous base content of a sample of DNA was found to be 34% adenine. Determine the amounts of the other three bases in this sample.arrow_forward
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