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Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 7TYU
The experiments in which Meselson and Stahl grew bacteria in heavy nitrogen conclusively demonstrated that DNA (a) is a double helix (b) replicates semiconservatively (c) consists of repeating
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Which of the following inspired Avery and his colleagues to perform the experiments demonstrating that the transforming factor in bacteria is DNA? (a) that A is equal to T and that G is equal to C (b) Watson and Crick’s model of DNA structure (c) Meselson and Stahl’s studies on DNA replication in E. coli (d) Griffith’s experiments on smooth and rough strains of pneumococci (e) Hershey and Chase’s experiments on the reproduction of bacteriophages
Which of the following single stranded DNA oligonucleotides alone would be expected to spontaneously form linear double stranded DNA molecules?
A) 5'-ACGTTGCA-3'
B) 5'-GGGGGGGC-3'
C) 3'-GTCCCTAT-5
D) 3-CTAATTAG-5'
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The dideoxynucleosides ddATP, ddTTP, ddGTP, and ddCTP were important in DNA sequencing because they (a) cause premature termination of a growing DNA strand (b) are used as primers (c) cause the DNA fragments that contain them to migrate more slowly through a sequencing gel (d) are notaffected by high temperatures (e) have more energy than deoxynucleotides
Chapter 12 Solutions
Biology (MindTap Course List)
Ch. 12.1 - Summarize the evidence that accumulated during the...Ch. 12.1 - Prob. 2LOCh. 12.1 - Prob. 1CCh. 12.1 - Prob. 2CCh. 12.2 - Explain how nucleotide subunits link to form a...Ch. 12.2 - Describe how the two strands of DNA are oriented...Ch. 12.2 - Prob. 5LOCh. 12.2 - Prob. 1CCh. 12.2 - Prob. 2CCh. 12.2 - Prob. 3C
Ch. 12.3 - Cite evidence from Meselson and Stahls experiment...Ch. 12.3 - Prob. 7LOCh. 12.3 - Explain the complexities of DNA replication that...Ch. 12.3 - Discuss how enzymes proofread and repair errors in...Ch. 12.3 - Prob. 10LOCh. 12.3 - How did the ability to distinguish old and newly...Ch. 12.3 - What feature of DNA structure causes DNA...Ch. 12.3 - What is the reason that eukaryotic cells require...Ch. 12 - When Griffith injected mice with a combination of...Ch. 12 - Which of the following inspired Avery and his...Ch. 12 - In the Hershey-Chase experiment with...Ch. 12 - The two complementary strands of the DNA double...Ch. 12 - If a segment of DNA is 5 CATTAC 3, the...Ch. 12 - Each DNA strand has a backbone that consists of...Ch. 12 - The experiments in which Meselson and Stahl grew...Ch. 12 - The statement DNA replicates by a semiconservative...Ch. 12 - Topoisomerases (a) synthesize DNA (b) synthesize...Ch. 12 - A lagging strand forms by (a) joining primers (b)...Ch. 12 - The immediate source of energy for DNA replication...Ch. 12 - Which of the following statements about eukaryotic...Ch. 12 - Prob. 13TYUCh. 12 - Prob. 14TYUCh. 12 - Prob. 15TYUCh. 12 - INTERPRET DATA In the Hershey-Chase experiment,...Ch. 12 - EVOLUTION LINK How does DNA being the universal...
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- The problem of replicating the lagging strand—that is, adding bases in the 3’ to 5’ direction—is solved by DNA through the use of (a) base pairing (b) replication forks (c) helicase (d) Okazaki fragments (e) topoisomerasearrow_forwardLocate as accurately as possible the listed items that are shown on the following figure. Some items are not shown. (a) 5′ end of DNA template strand; (b) 3′ end of mRNA; (c) ribosome; (d) promoter; (e) codon; (f) an amino acid; (g) DNA polymerase; (h) 5′ UTR; (i) centromere; (j) intron; (k) anticodon; (l) N terminus; (m) 5′ end of charged tRNA; (n) RNA polymerase; (o) 3′ end of uncharged tRNA; (p) a nucleotide; (q) mRNA cap; (r) peptide bond; (s) P site; (t) aminoacyl-tRNA synthetase; (u) hydrogen bond; (v) exon; (w) 5′ AUG 3′; (x) potential wobble interaction.arrow_forwardLocate as accurately as possible the listed items that are shown on the following figure. Some items are not shown. (a) 5′ end of DNA template strand; (b) 3′ end of mRNA; (c) ribosome; (d) promoter; (e) codon; (f) an amino acid; (g) DNA polymerase; (h) 5′ UTR; (i) centromere; (j) intron; (k) anticodon; (l) N terminus; (m) 5′ end of charged tRNA; (n) RNA polymerase; (o) 3′ end of uncharged tRNA; (p) a nucleotide; (q) mRNA cap; (r) peptide bond; (s) P site; (t) aminoacyl-tRNA synthetase; (u) hydrogen bond; (v) exon; (w) 5′ AUG 3′; (x) potential wobble interaction.arrow_forward
- You discover an E. coli mutant that has a non-functional DNA polymerase III. Such a bactèria; a) Would not be able to synthesize new strands of DNA b) Would not be able synthesize the leading strand of DNA Oc) Would produce new strands of DNA still containing short RNA primers Od) Would be able to synthesize the lagging strand of DNA onlyarrow_forwardWhich of the following statements is true?a) Exonuclease III removes nucleotide residues from the 3’ ends of a DNA strandb) Bacteriophage lambda exonuclease removes terminal phosphatesc) Alkaline phosphatase removes nucleotides from 5‘endsd) Kinase adds homopolymer tails to the 3’ –OH ends of a linear duplexarrow_forwardIn which region(s) will Okazaki fragments be found during new strand synthesis? (see image for diagram) a) Region E only b) REgions E and F both c) Neither region E nor region F d) Region F onlyarrow_forward
- Can you please answer these questions? I don’t know the right answers.arrow_forwardThe 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_forwardWhich of the following represents a missense mutation in the DNA coding strand sequence, 5' - AAACCTTTT - 3'? a) 5' - AAACCCTTT - 3' b) 5' - AAACCATTT - 3' c) 5' - AAACGTTTT - 3' d) 3' - AAACCTTTT - 5' e) 5' - AAACCGTTT - 3'arrow_forward
- Deamination of adenine results in the formation of hypoxanthine. Hypoxanthine selectively base pairs with cytosine. If this error is not corrected, what base pair can the original A·T base pair be converted to after cycles of DNA replication?a) G·C b) C·G c) T·A d) A·Garrow_forwardWhich enzyme catalyzes the joining of deoxyribonucleotide triphosphates (dNTPs) in E. Coli? O a) Helicase b) DNA polymerse I O c) RNA polymerase II O d) DNA polymerase IIIarrow_forwardWhich statement is TRUE regarding the DNA ligase mechanism? A)the last step of the reaction proceeds through a tetrahedral intermediate B)ATP is an obligate donor of an adenylyl group in the reaction of the bacterial enzyme C)The high energy of a phosphoanhydride bond is conserved in the reaction D)The phosphate of the AMP product is linked to the 3'-OH of the ribose E)ATP is required as an energy source to overcome the transition state barrierarrow_forward
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