Domanda del libro di testo
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
Which chemical groups of nucleotides react to form the bond in part (b)?
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Ch. 7 - DNA Structure and Replication
Sanders3rd EditionGenetic Analysis: An Integrated ApproachISBN: 9780135564172
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TOC.tableOfContents
- Ch. 1 - The Molecular Basis of Heredity, Variation, and Evolution64
- Ch. 2 - Transmission Genetics144
- Ch. 3 - Cell Division and Chromosome Heredity81
- Ch. 4 - Gene Interaction87
- Ch. 5 - Genetic Linkage and Mapping in Eukaryotes103
- Ch. 6 - Genetic Analysis and Mapping in Bacteria and Bacteriophages73
- Ch. 7 - DNA Structure and Replication71
- Ch. 8 - Molecular Biology of Transcription and RNA Processing79
- Ch. 9 - The Molecular Biology of Translation110
- Ch. 10 - Eukaryotic Chromosome Abnormalities and Molecular Organization100
- Ch. 11 - Gene Mutation, DNA Repair, and Homologous Recombination86
- Ch. 12 - Regulation of Gene Expression in Bacteria and Bacteriophage90
- Ch. 13 - Regulation of Gene Expression in Eukaryotes38
- Ch. 14 - Analysis of Gene Function via Forward Genetics and Reverse Genetics72
- Ch. 15 - Recombinant DNA Technology and Its Applications69
- Ch. 16 - Genomics: Genetics from a Whole-Genome Perspective49
- Ch. 17 - Organelle Inheritance and the Evolution of Organelle Genomes27
- Ch. 18 - Developmental Genetics43
- Ch. 19 - Genetic Analysis of Quantitative Traits66
- Ch. 20 - Population Genetics and Evolution at the Population, Species, and Molecular Levels105
Sanders3rd EditionGenetic Analysis: An Integrated ApproachISBN: 9780135564172Non è quello che usi tu?Cambia libro di testo
Capitolo 7, Problema 5c
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
Is the bond in part (b) a covalent or a noncovalent bond?
Guida verificata passo dopo passo1
Understand the structure of DNA: DNA is composed of two strands that form a double helix. Each strand consists of nucleotides, which are connected by covalent bonds within the strand and noncovalent hydrogen bonds between complementary bases of the two strands.
Analyze the sequence provided: The sequence 5'-ATCGACCTGATC-3' represents one strand of DNA. The complementary strand would pair with this sequence through base pairing rules (A pairs with T, and C pairs with G).
Identify the type of bond within the strand: Within a single strand of DNA, the nucleotides are connected by phosphodiester bonds, which are covalent bonds. These bonds link the phosphate group of one nucleotide to the sugar of the next nucleotide.
Identify the type of bond between strands: Between the two strands of DNA, the bases form hydrogen bonds, which are noncovalent bonds. For example, adenine (A) forms two hydrogen bonds with thymine (T), and cytosine (C) forms three hydrogen bonds with guanine (G).
Determine the bond in part (b): Based on the context of the question, if part (b) refers to the bond between the strands, it is a noncovalent hydrogen bond. If it refers to the bond within the strand, it is a covalent phosphodiester bond.
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Covalent Bonds
Covalent bonds are strong chemical bonds formed when two atoms share one or more pairs of electrons. In the context of DNA, covalent bonds link the sugar and phosphate groups of the DNA backbone, creating a stable structure that holds the nucleotides together.
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DNA Structure
Noncovalent Bonds
Noncovalent bonds are weaker interactions that do not involve the sharing of electrons. In DNA, these include hydrogen bonds between complementary base pairs, which stabilize the double helix structure but allow for the strands to separate during processes like replication and transcription.
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06:25DNA Structure
DNA Structure
DNA is composed of two strands that form a double helix, with each strand made up of nucleotides. The sequence of nucleotides encodes genetic information, while the interactions between covalent and noncovalent bonds maintain the integrity and functionality of the DNA molecule.
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06:25DNA Structure
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One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
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One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
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