Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 7TYU
A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for
(A) DNA polymerase
(B) DNA ligase
(C) Okazaki fragments
(D) primase
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A scientist uses a molecule of DNA composed of radioactive nucleotides as a template for replication and transcription in a nonradioactive environment.
a) What percentage of individual strands of DNA will be radioactive after three (3) DNA replication cycles?
2. b) What percentage of RNA will be radioactive?
The following diagram represents a DNA molecule that is undergoing replication. Draw in the strands of newly synthesized DNA and identify (a) the polarity of the newly synthesized strands, (b) the leading and lagging strands, (c) Okazaki fragments, and (d) RNA primers.
Which of the following items do not affect the melting temperature of DNA?
A) length of the DNA
the type of polymerase used to amplify the DNA
(C) salt content surrounding the DNA
D) nucleotide composition of the DNA
E) the type of DNA (genomic versus CDNA)
Chapter 16 Solutions
Campbell Biology
Ch. 16.1 - Given a polynucleotide sequence such as GAATTC,...Ch. 16.1 - VISUAL SKILLS Griffith was trying to develop a...Ch. 16.2 - What role does complementary base pairing play in...Ch. 16.2 - Identify two major functions of DNA pol III in DNA...Ch. 16.2 - Prob. 3CCCh. 16.2 - Prob. 4CCCh. 16.3 - Describe the structure of a nucleosome, the basic...Ch. 16.3 - Prob. 2CCCh. 16.3 - MAKE CONNECTIONS Interphase chromosomes appear to...Ch. 16 - What does it mean wheti we say that the two DNA...
Ch. 16 - DRAW IT Redraw the Punnett Square on The right...Ch. 16 - Prob. 16.3CRCh. 16 - In his work with pneumonia-causing bacteria and...Ch. 16 - What is the basis for tlie difference in how the...Ch. 16 - In analyzing the number of different bases in a...Ch. 16 - The elongation of the leading Strand during DNA...Ch. 16 - In a nucleosome, the DNA is wrapped around (A)...Ch. 16 - E. coli cells grown on, 15N medium are transferred...Ch. 16 - A biochemist isolates, purifies, and combines in a...Ch. 16 - The spontaneous loss of amino groups from adenine...Ch. 16 - MAKE CONNECTIONS Although the proteins that cause...Ch. 16 - EVOLUTION CONNECTION Some bacteria may be able to...Ch. 16 - SCIENTIFIC INQUIRY DRAW IT Model building can be...Ch. 16 - Prob. 12TYUCh. 16 - Prob. 13TYU
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- (a) Eukaryotic DNA replication is more complex than prokaryotic replication. Give one reason why this should be so. (b) Why might eukaryotic cells need more kinds of DNA polymerases than bacteria?arrow_forwardThe following diagrams represent DNA molecules that are undergoing replication. Draw in the strands of newly synthesized DNA and identify (a) the polarity of the newly synthesized strands, (b) the leading and lagging strands, (c) Okazaki fragments, and (d) RNA primers.arrow_forwarda) If you isolated DNA from the ear and the tail of the same mouse, would you expect the DNA, isolated form the two tissue types, to be the same? Why? (2) b) Provide one difference between DNA replication in eukaryotes and prokaryotes with regards to their origin(s) of replication. (1) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). 14px E EY A Y BIVS Paragraph Arial ABC x² X2 ?次T Te 田田国王 用 图 +]arrow_forward
- The following statements are correct EXCEPT: A) Information in the DNA is transcribed int mRNA and translated into proteins B) Information in the DNA is translated int mRNA and transcribed into proteins C) Information in the DNA is copied by DNA polymerase D) The lagging strand during DNA replication is synthesized continuously to form the okazaki fragments E) B and Darrow_forwardMatch each DNA Replication enzymes on the left with its function I) DNA Ligase II) DNA Polymerase II III) DNA Polymerase I IV) DNA Helicase V) Primase VI) DNA Polymerase III Proof reads DNA after replication and checks for mistakes Breaks hydrogen bonds holding adjacent base pairs together Synthesizes complimentary strands of DNA during DNA replication Builds RNA primers Removes RNA primers and replaces them with DNA nucleotides during replication Joins adjacent DNA nucleotides to each otherarrow_forward(a) What is the function of helicase in DNA replication?(b) What is the function of DNA polymerase?(c) What are replication forks? Compare and contrast leading and lagging strands. Answer all pleasearrow_forward
- The statement “DNA replicates by a semiconservative mechanism” means that (a) only one DNA strand is copied (b) first one DNA strand is copied and then the other strand is copied (c) the two strands of a double helix have identical base sequences (d) some portions of a single DNA strand are old and other portions are newly synthesized (e) each double helix consists of one old and one newly synthesized strandarrow_forward10) Which of the following statements is false? A) Single stranded binding proteins help nucleotide bases pair during DNA replication. B) Topoisomerase prevents DNA from getting overwound during replication. C) DNA ligase connects Okazaki fragments during DNA replication. D) DNA helicase separates complementary strands of DNA during replication.arrow_forwardDescribe the functions of the following proteins during DNA replication: (i) Polymerase epsilon (ii) Polymerase alpha (iii) Dna A (iv) Telomerasearrow_forward
- Define and indicate the significance of (a) Okazaki fragments,(b) DNA ligase, and (c) primer RNA during DNA replication.arrow_forwardThere may be more than one correct answer for each Repetitive DNA include which of the following? a.) SINEs (e.g. Alu) b.) microsatellite DNA c.) duplicated or diverged genes d.) long-interspersed nuclear elements DNA polymerases share which of the following characteristics? a.) They only add amino acids to an RNA primer. b.) They only add nucleotides to an existing strand or primer. c.) is the "string" of the "beads-on-a-string" appearance of condensed DNA d.) can be modified by acetylation or methylation to regulate DNA condensationarrow_forwardIdentify the false statements. There may be more than one correct answer. A) The binding of DNA to a spin column membrane is altered by elution buffer. B) High quality DNA must be pure. C) DNA that is broken into very small pieces can still be high quality. D) Pure DNA must also be of high quality.arrow_forward
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