Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 12, Problem 4MC
The “rungs” of the DNA double helix consist of
- a. any combination of bases.
- b. any combination of one double-ring base and one single-ring base.
- c. specific combinations of double-ring bases.
- d. specific combinations of single-ring and double-ring bases.
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Students have asked these similar questions
Indicate whether each of the following statements about
the double-helix secondary structure of DNA is true
or false.
a. The two polynucleotide strands are complementary
rather than identical.
b. Bases present extend outward from the
double helix.
c. Covalent bonding occurs between the two
polynucleotide strands.
d. The two polynucleotide strands run in the
5′-to-3′ direction
The most important force for stability of the DNA double helix is:
a.
Disulfide bond
b.
Hydrophilic interactions
c.
electrostatic interaction
d.
Base stacking
Label each statement about the polynucleotide ATGGCG as true or false. a. The polynucleotide has six nucleotides. b. The polynucleotide contains six phosphodiester linkages. c. The nucleotide at the 5 ' end contains the base guanine. d. The nucleotide at the 3 ' end contains the base guanine. e. The polynucleotide could be part of a DNA molecule. f. The polynucleotide could be part of an RNA molecule.
Chapter 12 Solutions
Biology
Ch. 12.1 - Which do you think would be more difficult to...Ch. 12.1 - If viral genetic material had the same structure...Ch. 12.1 - Prob. 1CYLCh. 12.1 - Prob. 2CYLCh. 12.2 - Muscles, Mutations, and Myostatin The sequence of...Ch. 12.2 - Prob. 1CYLCh. 12.3 - describe the process of DNA replication, including...Ch. 12.3 - explain why DNA replication is called...Ch. 12.3 - Muscles, Mutations, and Myostatin "Double-muscled"...Ch. 12.4 - How Much Genes Influence Athletic Prowess?
Ch. 12.4 - explain what mutations are and how they occur?Ch. 12.4 - explain why mutations are rare?Ch. 12.4 - describe the different types of mutations?Ch. 12.4 - Prob. 1TCCh. 12 - If a parental DNA strand has the base sequence...Ch. 12 - Prob. 2MCCh. 12 - Prob. 3MCCh. 12 - The rungs of the DNA double helix consist of a....Ch. 12 - Prob. 5MCCh. 12 - Prob. 1FIBCh. 12 - Prob. 2FIBCh. 12 - Prob. 3FIBCh. 12 - Prob. 4FIBCh. 12 - Prob. 5FIBCh. 12 - Prob. 6FIBCh. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Describe the structure of DNA. Where are the...Ch. 12 - Prob. 4RQCh. 12 - Describe the process of DNA replication.Ch. 12 - How do mutations occur? Describe the principal...Ch. 12 - Prob. 1ACCh. 12 - Genetic information is encoded in the sequence of...
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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
- Which of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotidearrow_forwardWhich of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide a. I only b. II only c. I and IV d. III and IVarrow_forwardThe “rungs” of the DNA double helix are held together by a. ionic bonds.b. hydrogen bonds.c. covalent bonds.d. the force of the backbones on the outside of the helix pushing them together.arrow_forward
- 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.arrow_forwardThe helix of an A-DNA differs from the helix of a B-DNA in all of the following EXCEPT which phrase? a. polarity of the strands b. thickness of the helix c. tilt of the bases d. appearance of the major and minor groovearrow_forwardThe following is diagram of a generalized tetranucleotide. Carbons exist at corners on the shapes and phosphate groups are filled circles. A. Is this a DNA or an RNA Molecule? B. Where is the 3’ end of this tetranucleotide? C. Given that the DNA strand which served as a template for the synthesis of this tetranucleotide was composed of the bases 5’-ACAG-3’, where are the expected bases?arrow_forward
- Name three intermolecular forces that stabilize the structure of DNA, and explain how they act. A. flat, N-containing bases stack above each other, forming ion-dipole bonds to aqueous surroundings B. nitrogen bases form ion-dipole bonds to their complementary bases C. nitrogen bases interact with their complementary bases through dispersion forces D. nitrogen bases form hydrogen bonds to their complementary bases E. sugar-phosphate chains form ion-dipole and hydrogen bonds to the nitrogen bases F. flat, N-containing bases stack above each other, allowing for interaction through dispersion forces G. flat, N-containing bases stack above each other, forming intrachain hydrogen bonds H. sugar-phosphate chains form ion-dipole and hydrogen bonds to the aqueous surroundings I. sugar-phosphate chains form hydrogen bonds to the nitrogen bases J. sugar-phosphate chains stack above each other, allowing for interaction through dispersion forces IIIarrow_forwardIdentify the statements that describe the structure of DNA. (select all that are correct) A. A DNA double helix contains two sugar‑phosphate backbones oriented in opposite directions. B. Adenine is paired with thymine, and guanine is paired with cytosine. C. Adenine is paired with cytosine, and guanine is paired with thymine. D. The five‑carbon sugar of DNA is called ribose. E. The five‑carbon sugar of DNA is called deoxyribose.arrow_forwardDraw the full structure of the DNA dinucleotide C-T. Identify the 5′ and 3′ ends of this dinucleotide.arrow_forward
- Indicate whether each of the following statements is true or false. If a statement is false, explain why it is false. A. The repair polymerase is the enzyme that proofreads the newly synthesized strands to ensure the accuracy of DNA replication. B. There is a single enzyme that degrades the RNA primers and lays down the corresponding DNA sequence behind it. C. DNA ligase is required to seal the sugar-phosphate backbone between all the DNA fragments on the lagging strand. D. The repair polymerase does not require the aid of the sliding clamp, because it is only synthesizing DNA over very short stretches. Answer the following questions about DNA replication. On a DNA strand that is being synthesized, which end is growing the 3' end, the 5' end, or both ends? Explain your answer. А. B. On a DNA strand that is being used as a template, where is the copying occurring relative to the replication origin-3' of the origin, 5', or both?arrow_forwardWhich of the following statements is not true? Explain why. A. A DNA strand can serve as a template strand on many occasions. B. Following semiconservative DNA replication, one strand is a newly made daughter strand and the other strand is a parental strand. C. A DNA double helix may contain two strands of DNA that were made at the same time. D. A DNA double helix obeys the AT/GC rule. E. A DNA double helix could contain one strand that is 10 generations older than its complementary strand.arrow_forwardDescribe the basic features of the DNA double helixarrow_forward
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