Genetics: Analysis and Principles
5th Edition
ISBN: 9780073525341
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11.1, Problem 1COMQ
The complementarity of DNA strands is based on
a. the chemical properties of a phosphodiester linkage.
b. the binding of proteins to the DNA.
c. the AT/GC rule.
d. none of the above.
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The antiparallel nature of DNA refers to
a. its charged phosphate groups.
b. the pairing of bases on one strand with bases on the other strand.
c. the formation of hydrogen bonds between bases from opposite strands.
d. the opposite direction of the two strands of nucleotides.
Which of the following is not a feature of the DNA double helix?a. It obeys the AT/GC rule.b. The DNA strands are antiparallel.c. The structure is stabilized by base stacking.d. All of the above are features of the DNA double helix.
Which of the following statement for the B-DNA helix is NOT true?
a.
It is a left-handed helix.
b.
Planes of bases are nearly perpendicular to the helix axis.
c.
Sugars are in the 2’-endo conformation.
d.
Bases are in the anti conformation.
e.
It is a common form of duplex DNA solution.
Chapter 11 Solutions
Genetics: Analysis and Principles
Ch. 11.1 - 1. The complementarity of DNA strands is based on...Ch. 11.1 - 2. To make a new DNA strand, which of the...Ch. 11.1 - 3. The model that correctly describes the process...Ch. 11.2 - 1. A site in a chromosome where DNA replication...Ch. 11.2 - The origin of replication in E. coli contains a....Ch. 11.3 - 1. The enzyme known as ______ uses ________ and...Ch. 11.3 - In the lagging strand, DNA is made in the...Ch. 11.4 - 1. DNA polymerase III is a processive enzyme,...Ch. 11.4 - 2. The proofreading function of DNA polymerase...Ch. 11.5 - 1. In eukaryotes, DNA replication is initiated at...
Ch. 11.5 - 2. Which of the following statements regarding DNA...Ch. 11.5 - 3. In eukaryotes, RNA primers are primarily...Ch. 11.5 - 4. To synthesize DNA, what does telomerase use as...Ch. 11 - What key structural features of the DNA molecule...Ch. 11 - 2. With regard to DNA replication, define the term...Ch. 11 - Which of the following statements is not true?...Ch. 11 - The compound known as nitrous acid is a reactive...Ch. 11 - One way that bacterial cells regulate DNA...Ch. 11 - 6. The chromosome of E. coli contains 4.6 million...Ch. 11 - Here are two strands of DNA. DNA polymerase The...Ch. 11 - A DNA strand has the following sequence:...Ch. 11 - 9. List and briefly describe the three types of...Ch. 11 - 10. As shown in Figure 11.5, five DnaA boxes are...Ch. 11 - 11. Obtain two strings of different colors (e.g.,...Ch. 11 - Sometimes DNA polymerase makes a mistake, and the...Ch. 11 - 13. A short genetic sequence, which may be...Ch. 11 - The ability of DNA polymerase to digest a DNA...Ch. 11 - Single-strand binding proteins keep the two...Ch. 11 - 15. In the following drawing, the top strand is...Ch. 11 - Describe the three important functions of DnaA...Ch. 11 - 17. Draw a picture that illustrates how DNA...Ch. 11 - What is an Okazaki fragment? In which strand of...Ch. 11 - Discuss the similarities and differences in the...Ch. 11 - 20. Explain the proofreading function of DNA...Ch. 11 - 21. What is a processive enzyme? Explain why...Ch. 11 - 22. What enzymatic features of DNA polymerase...Ch. 11 - 23. As shown in Figure 11.24, telomerase attaches...Ch. 11 - If a eukaryotic chromosome has 25 origins of...Ch. 11 - A diagram of a linear chromosome is shown here....Ch. 11 - As discussed in Chapter 18, some viruses contain...Ch. 11 - 28. Telomeres contain a 3′ overhang region, as...Ch. 11 - 1. Answer the following questions pertaining to...Ch. 11 - An absentminded researcher follows the steps of...Ch. 11 - Figure 11.4b shows an autoradiograph of a...Ch. 11 - 4. As described in Table 11.3, what is the...Ch. 11 - The technique of dideoxy sequencing of DNA is...Ch. 11 - 6. Another technique described in Chapter 21 is...Ch. 11 - The complementarity of its two strands is the...Ch. 11 - Compare and contrast DNA replication in bacteria...Ch. 11 - 3. DNA replication is fast, virtually error-free,...
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- 3)Which of the following statements is false? Select one: a. DNA, RNA and proteins are all composed of nucleotides. b. DNA and RNA are molecules that store information. c. DNA and RNA both have a sugar-phosphate backbone. d. DNA and RNA follow base pairing rules which allow information to be consistently stored, copied and used. e. All of the above are correct.arrow_forwardWhich of the following statements about nucleic acids is not correct? Select one: A. In DNA the distance between the strands of the double helix is relatively constant. B. The growing DNA polymer is synthesized in the 5' to 3' direction. C. The enzymes that catalyze DNA synthesis are known as DNA polymerases. D. RNA strands are synthesized in the 3' to 5' direction. E. Unlike DNA, RNA is easily cleaved because the 2'-OH group of the ribose is a nucleophile that catalyzes hydrolysis of the strand.arrow_forwardLabel each statement as pertaining to DNA, RNA, or both. a. The polynucleotide is double stranded. b. The polynucleotide may contain adenine. c. The polynucleotide may contain dGMP. d. The polynucleotide is a polymer of ribonucleotides.arrow_forward
- The phosphodiester bond in DNA links: a. The 2’ carbon of the ribose to the 3’ carbon of the subsequent ribose. b. The 3’ carbon of the ribose to the 5’ carbon of the subsequent ribose. c. The 3’ carbon of the ribose to the 2’ carbon of the subsequent ribose. d. The 2’ carbon of the ribose to the 5’ carbon of the subsequent ribose. e. The 1’ carbon of the ribose to the 5’ carbon of the subsequent ribose.arrow_forwardIdentify the sites of lagging strand synthesis. Select all that are true. B A 5 O a. C O b. D O c. A O d. Barrow_forwardThe function of DNA ligase is to: a. Catalyze formation of phosphodiester bonds between adjacent nucleotides b. Catalyze formation of hydrogen bonds between adjacent nucleotides c. Keep single strands of DNA apart during replication d. Facilitate base pairing between single stranded molecules in DNA e. Both a. and d. are correctarrow_forward
- Strand invasion is often used to repair which of the following damages to DNA? a. Single-strand breaks b. Double-strand breaks. c. Mismatched bases d. Thymine dimers.arrow_forwardDouble-stranded regions of RNA: a. are less stable than double-stranded regions of DNA. b. can be observed in the laboratory, but probably have no biological relevance. c. can form between two self-complementary regions of the same single strand of RNA. d. do not occur. e. have the two strands arranged in parallel (unlike those of DNA, which are antiparallel).arrow_forwardWhich of the following describes a Z-DNA helix? a. It is inhibited by methylation of bases b. It is favored by alternating GC sequence c. It has fewer base pairs per turn than the B-DNA d. It is favored in many solutions that are relatively devoid of waterarrow_forward
- Which of the following is NOT true of deoxyribonucleic acid (DNA)? A. None of the other four answers (all are true of DNA) B. Each DNA nucleotide contains the sugar ribose, phosphate, and one of the following nitrogenous bases: adenine, uracil, guanine, or cytosine C. Stores genetic information that can be expressed within a bacterial cell, transferred “vertically” to offspring cells, or “horizontally” to other recipient cells D. Found as a circular molecule in bacteria, either as chromosomes or plasmids E. Serves as a template for the transcription of mRNAarrow_forwardWhich protein or enzyme represents "Single Stranded DNA Binding Proteins"a. A b. B c. C d. D e. Earrow_forwardWhich of the following is a/are false characteristic(s) regarding DNA? A. DNA can be found in both the mitochondria and the cell nucleus of animal cells B. DNA can be partially formed of the nitrogenous base called cytosine C. DNA is required for the process of translation in animal cells D. Both A and C are false E. None of the above (A,B, and C) are falsearrow_forward
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