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 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) topoisomerase
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 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 deoxynucleotidesarrow_forwardA genetic sequence that can move from one location to an-other within a cell is known as a:(a) Bacteriocin(b) Plasmid(c) Transposon(d) Hybridoma(e) Transducible elementarrow_forwardYou 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_forward
- In 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_forward1) How many bases are found (on one of the strands) in a single twist of a DNA helix: a) 3.4 b) 10 d) 0.34 2)Which of the following is a correct representation of a segment of DNA: a) I b) I and III c) IV and V 3)Consider the following sequence: 5' - AUGGCUACAGAUAGCUGGGGCUGAAAAAAAAAAAAAAA..3'Translated, the corresponding protein contains how many amino acids: a) 6 b) 7 c) 8arrow_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_forward
- 1) How many bases are found (on one of the strands) in a single twist of a DNA helix: a) 3.4 b) 10 c) 2 d) 0.34 1)Consider the following sequence: 5' - AUGGCUACAGAUAGCUGGGGCUGAAAAAAAAAAAAAAA..3'Translated, the corresponding protein contains how many amino acids: a) 6 b) 7 c) 8 d) 13arrow_forward1) Which of the following complexes contributes to the transcription of cyclin E? a) Cdk1/cyclin A b) Cdk2/cyclin B c) Cdk3/cyclin C d) Cdk4/cyclin D 2. DNA Polymerase δ (delta) has the following functions EXCEPT a) proof-read the new DNA strand. b) detach the dangling RNA primer. c) nip the RNA primer during termination. d) add DNA nucleotides to the lagging strand.arrow_forwardWhich of the following is true about the Z-DNA helix? a) It has fewer base pairs per turn than B-DNA b) It tends to be found at the 3' end of the genes c) It has alternating GC sequences d) It is a permanent conformation of DNAarrow_forward
- Which of the following do you think would be true of the sites of the origin of replication (where DNA strands first begin to separate?) Hint: think about which would be the easiest to pull apart. (a) they would be rich in purines (b) they would be rich in A and T sequences (c) they would be rich in pyrimidines (d) they would be rich in G and C sequences (e) they would be rich in A sequencesarrow_forwardRecombinant DNA is:(a) DNA that is produced when genes from one kind oforganism are introduced by lateral transfer into the ge-nome of another kind of organism(b) DNA that is destroyed by endonucleases(c) DNA amplified by the polymerase chain reaction(d) DNA that is rich in the nitrogenous base guanine(e) All of the abovearrow_forwardIdentify the single most correct choice: a) DNA replication is a non-conservative process. b) Peroxide and ozone can be used as antimicrobial agents and their mechanism of action is via oxidizing molecules inside the cells. c) Antibiotics can never be used as food preservatives. d) All of the above.arrow_forward
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