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 5g
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
Is the bond in part (f) a covalent or a noncovalent bond?
Guida verificata passo dopo passo1
Step 1: Understand the structure of DNA. DNA is composed of two strands that form a double helix. Each strand consists of nucleotides connected by covalent bonds, specifically phosphodiester bonds between the sugar and phosphate groups.
Step 2: Recognize the types of bonds in DNA. Covalent bonds are strong bonds that hold the backbone of the DNA together, while noncovalent bonds, such as hydrogen bonds, occur between complementary base pairs (A-T and G-C) to stabilize the double helix.
Step 3: Analyze the sequence provided. The sequence 5'-ATCGACCTGATC-3' represents one strand of DNA. To determine the type of bond in part (f), consider whether the bond is part of the backbone (covalent) or between base pairs (noncovalent).
Step 4: Recall that phosphodiester bonds are covalent and occur between the 3' hydroxyl group of one nucleotide and the 5' phosphate group of the next nucleotide in the strand. Hydrogen bonds, on the other hand, are noncovalent and occur between the nitrogenous bases of complementary strands.
Step 5: Based on the context of the question, identify whether the bond in part (f) is within the backbone (covalent) or between base pairs (noncovalent). Use the definitions and structural understanding of DNA to make this determination.
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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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06:25
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, and the interactions between covalent and noncovalent bonds are crucial for maintaining the integrity and functionality of the DNA molecule.
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06:25DNA Structure
Pratica correlata
Domanda del libro di testo
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
What enzymes catalyze the reaction in part (d)?
466
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Domanda del libro di testo
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
What term is used to describe the pattern of base pairing between one DNA strand and its partner in a duplex?
488
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Domanda del libro di testo
The principles of complementary base pairing and antiparallel polarity of nucleic acid strands in a duplex are universal for the formation of nucleic acid duplexes. What is the chemical basis for this universality?
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Domanda del libro di testo
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
Identify the bond that joins one strand of a DNA duplex to the other strand.
581
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Domanda del libro di testo
One strand of a fragment of duplex DNA has the sequence 5'-ATCGACCTGATC-3'.
What term is used to describe the polarity of two DNA strands in a duplex?
528
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