Exam 6: Genetic Analysis and Mapping in Bacteria and Bacteriophages

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When a soil bacterium infects a plant root and introduces its Ti plasmid, how does this affect both the infectious bacterium and the plant?

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Question 41

Name the two cycles in which bacteriophages act when they infect bacteria.

(Short Answer)

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Question 42

A competent Hemophilus strain is individually transformed by three genes (a, b, and c)at a rate of 0.002% each. However, cotransformation frequencies for each pair are as follows: a and b 0.38 % A and c 0.72% B and c 0.19% What is the correct conclusion from this data?

(Multiple Choice)

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Question 43

Some bacteriophages can be either lytic or lysogenic. These are called ________ phages.

(Short Answer)

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Question 44

In phi X 174 phage, whose genome is a single-stranded, circular DNA known as the - strand, replication occurs by the rolling circle method. In which order must the events of replication occur?

(Multiple Choice)

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Question 45

What is meant by a mutation that Benzer referred to as nonrevertible?

(Short Answer)

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Question 46

Jacob and colleagues developed a bacterial linkage map based on time. What kind of recombination was used?

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Question 47

What characterizes a bacterial cell that can undergo transformation?

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Question 48

How are selective media used in studying bacterial recombination?

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Question 49

In a bacterial cross of an Hfr donor a⁺b⁺ with a recipient F^- a^-b^-, what would be a possible recombinant?

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Question 50

In an E. coli conjugation experiment, the donor cell is found to be thr⁺, leu⁺, his⁺, and the F^- cell is thr^-, leu^-, and his^-. When the mating is interrupted after 10 minutes and the recipients are plated, they are found to be leu⁺ and his⁺ but thr^-. What can you conclude?

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Question 51

Showing 41 - 51 of 51

When a soil bacterium infects a plant root and introduces its Ti plasmid, how does this affect both the infectious bacterium and the plant?

Name the two cycles in which bacteriophages act when they infect bacteria.

A competent Hemophilus strain is individually transformed by three genes (a, b, and c)at a rate of 0.002% each. However, cotransformation frequencies for each pair are as follows: a and b 0.38 % A and c 0.72% B and c 0.19% What is the correct conclusion from this data?

Some bacteriophages can be either lytic or lysogenic. These are called ________ phages.

In phi X 174 phage, whose genome is a single-stranded, circular DNA known as the - strand, replication occurs by the rolling circle method. In which order must the events of replication occur?

What is meant by a mutation that Benzer referred to as nonrevertible?

Jacob and colleagues developed a bacterial linkage map based on time. What kind of recombination was used?

What characterizes a bacterial cell that can undergo transformation?

How are selective media used in studying bacterial recombination?

In a bacterial cross of an Hfr donor a⁺b⁺ with a recipient F^- a^-b^-, what would be a possible recombinant?

In an E. coli conjugation experiment, the donor cell is found to be thr⁺, leu⁺, his⁺, and the F^- cell is thr^-, leu^-, and his^-. When the mating is interrupted after 10 minutes and the recipients are plated, they are found to be leu⁺ and his⁺ but thr^-. What can you conclude?

The Molecular Basis of Heredity, Variation, and Evolution

Transmission Genetics

Cell Division and Chromosome Heredity

Gene Interaction

Genetic Linkage and Mapping in Eukaryotes

Dna Structure and Replication

Molecular Biology and Transcription and Rna Processing

The Molecular Biology of Translation

The Integration of Genetic Approaches: Understanding Sickle Cell Disease

Chromosome Structure

Gene Mutation, Dna Repair, and Homologous Recombination

Chromosome Aberrations and Transposition

Regulation of Gene Expression in Bacteria and Bacteriophages

Regulation of Gene Expression in Eukaryotes

Forward Genetics and Recombinant Dna Technology

Applications of Recombinant Dna Technology and Reverse Genetics

Genomics: Genetics From a Whole-Genome Perspective

Cytoplasmic Inheritance and the Evolution of Organelle Genomes

Developmental Genetics

Genetic Analysis of Quantitative Traits

Population Genetics and Evolution

Filters

Exam 6: Genetic Analysis and Mapping in Bacteria and Bacteriophages

When a soil bacterium infects a plant root and introduces its Ti plasmid, how does this affect both the infectious bacterium and the plant?

Name the two cycles in which bacteriophages act when they infect bacteria.

A competent Hemophilus strain is individually transformed by three genes (a, b, and c)at a rate of 0.002% each. However, cotransformation frequencies for each pair are as follows: a and b 0.38 % A and c 0.72% B and c 0.19% What is the correct conclusion from this data?

Some bacteriophages can be either lytic or lysogenic. These are called ________ phages.

In phi X 174 phage, whose genome is a single-stranded, circular DNA known as the - strand, replication occurs by the rolling circle method. In which order must the events of replication occur?

What is meant by a mutation that Benzer referred to as nonrevertible?

Jacob and colleagues developed a bacterial linkage map based on time. What kind of recombination was used?

What characterizes a bacterial cell that can undergo transformation?

How are selective media used in studying bacterial recombination?

In a bacterial cross of an Hfr donor a+b+ with a recipient F- a-b-, what would be a possible recombinant?

In an E. coli conjugation experiment, the donor cell is found to be thr+, leu+, his+, and the F- cell is thr-, leu-, and his-. When the mating is interrupted after 10 minutes and the recipients are plated, they are found to be leu+ and his+ but thr-. What can you conclude?

The Molecular Basis of Heredity, Variation, and Evolution

Transmission Genetics

Cell Division and Chromosome Heredity

Gene Interaction

Genetic Linkage and Mapping in Eukaryotes

Dna Structure and Replication

Molecular Biology and Transcription and Rna Processing

The Molecular Biology of Translation

The Integration of Genetic Approaches: Understanding Sickle Cell Disease

Chromosome Structure

Gene Mutation, Dna Repair, and Homologous Recombination

Chromosome Aberrations and Transposition

Regulation of Gene Expression in Bacteria and Bacteriophages

Regulation of Gene Expression in Eukaryotes

Forward Genetics and Recombinant Dna Technology

Applications of Recombinant Dna Technology and Reverse Genetics

Genomics: Genetics From a Whole-Genome Perspective

Cytoplasmic Inheritance and the Evolution of Organelle Genomes

Developmental Genetics

Genetic Analysis of Quantitative Traits

Population Genetics and Evolution

Filters

In a bacterial cross of an Hfr donor a⁺b⁺ with a recipient F^- a^-b^-, what would be a possible recombinant?

In an E. coli conjugation experiment, the donor cell is found to be thr⁺, leu⁺, his⁺, and the F^- cell is thr^-, leu^-, and his^-. When the mating is interrupted after 10 minutes and the recipients are plated, they are found to be leu⁺ and his⁺ but thr^-. What can you conclude?