a. To determine: The way by which the number of a gene can be identified by using the data given in the experiment. Introduction: A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

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Answer 1

Question

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

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Eight mutant bacteriophage strains cannot lyse a certain type of bacteria that can be lysed by wild-type bacteriophages. The mutant strains were allowed to infect the bacteria in a complementation test. A "+" indicates that lysis occurred with coinfection. A "-" indicates that lysis did not occur. GKWTMAQC G- ++++- K W T M A Q C - + +++ - ++++ - + + - + - + - - + + + A cistron is defined by no complementation in the How many genes are controlling lysis in this bacteriophage? (Use a number not a word in the space) configuration.

BACTERIA STRAIN A IS AUXOTROPHIC FOR METHIONINE AND STRAIN B IS AUXOTROPHIC FOR LEUCINE. A. WILL THESE STRAIN GROW ON MINIMAL MEDIUM (A MEDIUM THAT DOES NOT CONTAIN EITHER METHIONINE OR LEUCINE)? B. WHAT TYPE OF GENETIC RECOMBINATION MUST OCCUR TO RECOVER A PROTOTROPH?

a. Bacteriophage P22 was used in generalized transduction experiments to infect the Salmonella typhimurium donor strains described in the table below. The resulting phage lysates were then used to infect the S. typhimurium recipient strains listed in the table. In each cross, a phenotype was selected for one of the three genetic markers studied (str, aceA, thrA), and then replicates were performed to select the corresponding recombinants for the other two markers. The results are given in the following table: Recipient strain Selected phenotype Selected recombinants Donor strain str thrA aceAt thrA str aceA+ strs thrA+ aceA thrA+ str aceA Str Ace+ Str ThrA ThrA+ ThrA ThrA+ Ace Ace+ str: gene involved in streptomycin resistance, aceA: gene involved in the use of acetate as a carbon source, thrA: gene involved in the biosynthesis of threonine. Number 60 40 95 5 10 90 What are the selective media used in these three transduction experiments, on the one hand to obtain the selected…

Answer 2

Question

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

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Answer 3

Question

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

Expert Solution & Answer

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Answer 4

Question

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

Expert Solution & Answer

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Answer 5

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

Answer 6

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Answer 7

Chapter 7, Problem 32P

Summary Introduction

a.

To determine:

The way by which the number of a gene can be identified by using the data given in the experiment.

Introduction:

A viral plaque may be defined as the visible structure formed on the culture plate of bacteria or another organism. Plaque calculation helps us to know the number of virus present on the culture plate

Answer 8

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

Answer 9

Summary Introduction

b.

To determine:

The way to find that mutants belong to the same complementation group.

Introduction:

Complementation test is used to analyze whether the mutation in two strains belongs to the same group or different group. The mutation in the same group doesn't result in the formation of the complementation group.

Answer 10

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Answer 11

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Answer 12

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Answer 13

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Solution Summary: The author explains how the number of genes can be identified by looking at the formation of plaque formed by the genes.

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Chapter 7 Solutions