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
The “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.
The DNA double helix is stabilized by ...
a)
H-bonds between the sugar-phosphate backbones.
b)
ionic interactions between the sugar-phosphate backbones.
c)
H-bonds between complementary bases.
d)
a and c
e)
a, b and c
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.
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
- The DNA of different species differs in the (a) sequence of bases. (b) complementary base-pairing. (c) number of nucleotide strands. (d) location of the sugar-phosphate portion of the DNA molecule.arrow_forwardWhich 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.arrow_forwardIn the dideoxy-sequencing reaction, what terminates DNA synthesis at a particular base? a. The absence of a base on the ddNTP halts the DNA polymerase. b. The ddNTP causes a break in the sugar–phosphate backbone. c. DNA polymerase will not incorporate a ddNTP into the growing DNA strand. d. The absence of a 3′-OH group on the ddNTP prevents the addition of another nucleotide.arrow_forward
- Which of the following is true about the structure of DNA as proposed by Watson and Crick (B-form DNA)? A. DNA forms a left-handed double helix. B. The strands of DNA are parallel. C. The complementary base pairs are held together by hydrogen bonds. D. A complete turn of the double helix occurs after every base pair.arrow_forwardWhich of the following statements is (are) true? (a) The two strands of DNA run parallel from their 5' to their 3' ends. (b) An adenine–thymine base pair contains three hydrogen bonds. (c) Positively charged counterions are associated with DNA. (d) DNA base pairs are always perpendicular to the helix axisarrow_forwardWhich of the following does not contribute to the stability of the DNA? A. The presence of hydrogen between nitrogenous bases. B. Presence of the N-glycosidic bond between the nitrogenous base and phosphate group C. Presence of phosphodiester bond between the sugar and phosphate group on the sugar-phosphate backbone. D. Hydrophobic interaction between stacked nitrogenous bases.arrow_forward
- A groove in a DNA double helix refers toa. the indentations where the bases are in contact with the surrounding water.b. the interactions between bases in the DNA.c. the spiral structure of the DNA.d. all of the abovearrow_forwardCompare a picture of a structure of Human DNA and Bacterial DNA, are they similar?arrow_forwardDuring DNA replication, the helicase enzyme binds to DNA and Select one: a. prevents the DNA strands from rewinding back into the helical shape b. cuts the double stranded DNA into single strands c. provides the starting point where new nucleotides can be added d. adds new nucleotides to the template strandarrow_forward
- When two adjacent bases in the same strand of DNA dimerize (form a covalent bond between them), what happens to the DNA? a. the original strand of DNA now contains a new DNA sequence b. the original strand of DNA is prevented from opening during replication, so this section of DNA will not be replicated c. the original strand of DNA is methylated, which causes the bases to mismatch d. the original strand of DNA is kinked, which prevents DNA polymerase from working properly e. the original strand of DNA is unaffected, so no additional mutations arisearrow_forwardWhat is the best description of how the two strands are aligned with each other in the double helix of DNA? A) parallel B) anti-parallel C) perpendicular D) cross-linked E) obtusearrow_forwardChargaff studied the composition of DNA from different sources and found that a. the number of phosphate groups always equals the number of 5-carbon sugars. b. the proportions of A equal that of C and G equals T. c. the proportions of A equal that of T and G equals C. d. purines bind to pyrimidines.arrow_forward
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