Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 12, Problem 3FIB
Summary Introduction
Introduction:
The two strands of helical DNA are anti-parallel to each other with nitrogenous bases stacked between the two strands giving it ladder-like appearance. The “base pairing rule” in DNA explains the pairing pattern of nitrogenous bases in a DNA helix.
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List the DNA bases that will complementary base pair with the following sequence:
A-G-C-T-A-C-G
If one side of DNA molecule had a base sequence of adenine-adenine-guanine-cytosine-thymine-cytosine-thymine, what would the sequence of bases on the opposite side of the molecule be?
Chargaff’s rule states that the amount of _______ in DNA is always roughly equal to the amount of thymine, and that the amount of guanine in DNA is always roughly equal to the amount of cytosine.
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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- 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_forwardNucleic acids such as DNA are polymers of nucleotides. Each nucleotide consists of a five-carbon sugar bonded to a nitrogen base and a phosphate molecule. Each carbon on the sugar is numbered with primes according to chemical convention. Which carbon on the deoxyribose sugar is the nitrogen base bonded to AND how many hydrogen bonds are between nitrogenous bases in a double-stranded DNA molecule? Carbon Number Bonded to of Nitrogei the Hydrogen Bases Nitrogenous Bonds Base 2' 2 C and G Carbon Number Bonded to of Nitrogei the Hydrogen Bases Nitrogenous Bonds Base 1' 3 A and T Carbon Number Bonded to of Nitrogei the Hydrogen Bases Nitrogenous Bonds Base 2' 2 A and T Carbon Number Bonded to of Nitroger the Hydrogen Bases Nitrogenous Bonds Base 1' Cand Garrow_forwardA B-DNA molecule has 1 million nucleotide pairs. How many complete turns of the helix are there in this molecule?arrow_forward
- DNA is made of codons, which are sequences of three of the following molecules: Guanine (G), Adenosine (A), Cytosine (C), and Thymine (T). Repetitions are normal. How many different codons are possible that start with Guanine?arrow_forwardIf a certain species is found to have DNA composed of 17% cytosine, what would be the percentages of the other three bases? Adenine = % Thymine = % Guanine = %arrow_forwardEach new double helix will contain ___________ strand of DNA from the parent strand and ____________ strand of newly created DNA.arrow_forward
- Nucleic acids such as DNA are polymers of nucleotides. Each nucleotide consists of a five-carbon sugar bonded to a nitrogen base and a phosphate molecule. Each carbon on the sugar is numbered with primes according to chemical convention. Which carbon on the deoxyribose sugar is the nitrogen base bonded to AND how many hydrogen bonds are between nitrogenous bases in a double-stranded DNA molecule? Select one: a. Carbon Bonded to the Nitrogenous Base Number of Hydrogen Bonds Nitrogenous Bases 1' 3 A and T b. Carbon Bonded to the Nitrogenous Base Number of Hydrogen Bonds Nitrogenous Bases 2' 2 C and G c. Carbon Bonded to the Nitrogenous Base Number of Hydrogen Bonds Nitrogenous Bases 1' 3 C and G d. Carbon Bonded to the Nitrogenous Base Number of Hydrogen Bonds Nitrogenous Bases 2' 2 A and Tarrow_forwardWhich of the following is not included in the Watson-Crick model of DNA structure? The strands run parallel to each other. The resultant helix is right-handed. Strands are held together by hydrogen bonds between nitrogenous bases. The bases are held together in the central region of the molecule by hydrogen bonds. It is composed of two strands.arrow_forwardThe "D" in DNA stands for which of the following?arrow_forward
- A strand of DNA contains the base pair 5’-T-C-A-G-C-A-T-3’. Give the base sequence onthe complementary DNA strand.arrow_forwardCytosine makes up 42% of the nucleotides in a sample of DNA from an organism. The composition of the remaining bases is % adenine, % guanine, and % thymine.arrow_forwardA polynucleotide strand has the bases G, T, C, and T, starting from the 5’ end. Assuming this is a DNA polynucleotide, draw the given DNA strand and its complementary strand at the molecular level showing the hydrogen bonds. Draw arrows showing the 5’ to 3’ direction of each strand. Use the arrows to make sure the second strand is antiparallel to the first.arrow_forward
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