Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 3FTB
The “base pairing rule” in DNA is that adenine pairs with_________, and guanine pairs with________. Bases that can form pairs in DNA are called______.
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The nucleotides within DNA are composed of a
Group of answer choices
A sulfur group, ribose sugar, and nitrogenous base.
B phosphate group, ribose sugar, and nitrogenous base.
C sulfur group, deoxyribose sugar, and nitrogenous base.
D phosphate group, hexose sugar, and nitrogenous base.
E phosphate group, deoxyribose sugar, and nitrogenous base.
Which of the following statements are true about doublestranded DNA?a. A + C = T + Gb. A + G = C + Tc. A + T = G + Cd. A/G = C/Te. A/G = T/Cf. (C + A) / (G + T) = 1
In the double helix of DNA, the ____________ bases of one strand exhibit complementary base pairing with the bases of the other strand.
Chapter 12 Solutions
Biology: Life on Earth (11th Edition)
Ch. 12 - 1. If a parental DNA strand has the base sequence...Ch. 12 - 2. What happens at the conclusion of DNA...Ch. 12 - An insertion mutation occurs when a nucleotide is...Ch. 12 - The rungs of the DNA double helix consist of any...Ch. 12 - The “rungs” of the DNA double helix are held...Ch. 12 - 1. DNA consists of subunits called_________. Each...Ch. 12 - The subunits of DNA are assembled by linking...Ch. 12 - The “base pairing rule” in DNA is that adenine...Ch. 12 - 4. When DNA is replicated, two new DNA double...Ch. 12 - The DNA double helix is unwound by an enzyme...
Ch. 12 - 6. Sometimes mistakes are made during DNA...Ch. 12 - Describe the experimental evidence that DNA is the...Ch. 12 - 2. Draw the general structure of a nucleotide....Ch. 12 - Describe the structure of DNA. Where are the...Ch. 12 - How is information encoded in the DNA molecule?Ch. 12 - 5. Describe the process of DNA replication.
Ch. 12 - How do mutations occur? Describe the principal...Ch. 12 - 1. In an alternate universe, although proteins are...Ch. 12 - Prob. 2AC
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- What are the base-pairing rules for DNA? a. A-G, T-C c. A-T, G-C b. A-C, T-G d. A-A, G-G, C-C, T-Tarrow_forwardWhich is not a nucleotide base in DNA? a. adenine c. glutamine e. cytosine b. guanine d. thymine f. All are in DNA.arrow_forwardChemical analysis shows that a nucleic acid sample contains A, U, C, and G. Is this DNA or RNA? Why?arrow_forward
- Which of the following are nucleotide base pairs found in DNA? Select all that apply. A. Adenine and thymine B. Cytosine and adenine C. Thymine and guanine D. Guanine and cytosinearrow_forwardWhat type of bond is the arrow pointing to in this image of DNA? -Hydrogen Bond-Covalent Bond-Ionic Bondarrow_forwardThe structure of DNA requires the pairing of base A to ___________ and base G to ___________.arrow_forward
- What are the base-pairing rules for DNA?a. A–G, T–C c. A–C, T–Gb. A–T, G–C d. A–A, G–G, C–C, T–Tarrow_forwardList the DNA bases that will complementary base pair with the following sequence: A-G-C-T-A-C-Garrow_forwardWhat is an example of an unusual base pair interaction that is found in RNA but not DNA? 1. G-U 2. G-C 3. A-T 4. G-Aarrow_forward
- A DNA molecule consists of 500 nitrogenous bases, of which 150 are G bases. So, the percentage of nitrogenous base T is equal to? choose the correct answer A)20% B)30% C)40% D)60%arrow_forwardDNA double helix does not have which of the following? a. antiparallel configuration b. complementary base pairing c. major and minor grooves d. uracilarrow_forwardWhich of the following is NOT true of the structure of DNA? Select one: a. The backbone is made up of alternating sugars and phosphates. b. Nitrogenous bases A and C bond together, and bases T and G bond together. c. It contains all of the genetic information for an individual. d. The molecule has the shape of a coiled ladder.arrow_forward
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