Domanda del libro di testo
DNA polymerase III is the main DNA-synthesizing enzyme in bacteria. Describe how it carries out its role of elongating a strand of DNA.
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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 9c
Consider the sequence 3'-ACGCTACGTC-5'.
What is the total number of noncovalent bonds joining the nucleotides of the complementary strands?
Guida verificata passo dopo passo1
Step 1: Understand the problem. The sequence provided is 3'-ACGCTACGTC-5'. To determine the total number of noncovalent bonds, we need to identify the complementary strand and count the hydrogen bonds between the base pairs.
Step 2: Recall the base pairing rules in DNA. Adenine (A) pairs with Thymine (T) via 2 hydrogen bonds, and Cytosine (C) pairs with Guanine (G) via 3 hydrogen bonds.
Step 3: Write the complementary strand for the given sequence. The complementary strand will be 5'-TGCGATGCAG-3', as each base pairs with its complement.
Step 4: Count the hydrogen bonds for each base pair. For example, A-T pairs contribute 2 hydrogen bonds, and C-G pairs contribute 3 hydrogen bonds. Sum the hydrogen bonds for all base pairs in the sequence.
Step 5: Add the total number of hydrogen bonds from all base pairs to determine the total number of noncovalent bonds joining the nucleotides of the complementary strands.
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Base Pairing
Base pairing refers to the specific hydrogen bonding between nucleotide bases in DNA. Adenine pairs with thymine (A-T) through two hydrogen bonds, while cytosine pairs with guanine (C-G) through three hydrogen bonds. Understanding base pairing is essential for determining the number of noncovalent bonds in complementary strands.
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Percorso guidato
03:49
Base Distortions
Nucleotide Structure
Nucleotides are the building blocks of DNA and consist of a phosphate group, a sugar (deoxyribose in DNA), and a nitrogenous base. The sequence of these nucleotides encodes genetic information. Recognizing the structure of nucleotides helps in identifying how they interact and bond with complementary nucleotides.
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06:25DNA Structure
Complementary Strands
Complementary strands in DNA refer to the two strands that run in opposite directions and are held together by hydrogen bonds between their base pairs. Each nucleotide on one strand pairs with a specific nucleotide on the opposite strand, which is crucial for the stability of the DNA double helix and for processes like replication and transcription.
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03:03Double Strand Breaks
Pratica correlata
Domanda del libro di testo
The following figure (Figure 1.6) presents simplified depictions of nucleotides containing deoxyribose, a nucleotide base, and a phosphate group. Use this simplified method of representation to illustrate the sequence 3'-AGTCGAT-5' and its complementary partner in a DNA duplex.
How many hydrogen bonds are present in this DNA duplex?
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Domanda del libro di testo
There is a problem completing the replication of linear chromosomes at their ends. Describe the problem and identify why telomeres shorten in each replication cycle.
552
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Domanda del libro di testo
Consider the sequence 3'-ACGCTACGTC-5'.
What is the double-stranded sequence?
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Domanda del libro di testo
There is a problem completing the replication of linear chromosomes at their ends. What is the function of telomerase, and how does it operate to synthesize telomeres?
423
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Domanda del libro di testo
Consider the sequence 3'-ACGCTACGTC-5'.
What is the total number of covalent bonds joining the nucleotides in each strand?
943
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