Based on what you know about protein and DNA, why did Hershey and Chase pick 32 P and 35 S to label their phage?

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Answer 1

Textbook Question

Chapter 16, Problem 16.1CC

Based on what you know about protein and DNA, why did Hershey and Chase pick ³²P and ³⁵S to label their phage?

Expert Solution & Answer

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.

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Answer 2

Textbook Question

Chapter 16, Problem 16.1CC

Based on what you know about protein and DNA, why did Hershey and Chase pick ³²P and ³⁵S to label their phage?

Expert Solution & Answer

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.

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Answer 3

Textbook Question

Chapter 16, Problem 16.1CC

Based on what you know about protein and DNA, why did Hershey and Chase pick ³²P and ³⁵S to label their phage?

Expert Solution & Answer

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 16, Problem 16.1CC

Based on what you know about protein and DNA, why did Hershey and Chase pick ³²P and ³⁵S to label their phage?

Expert Solution & Answer

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

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Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.

Answer 8

Expert Solution & Answer

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To explain: The reason for picking phosphorus ³²P and sulfur ³⁵S by Hersey and Chase to label their phage.

Introduction: Every organism in this world contains genetic material which passes from one generation to another. The genetic material decides the physical appearance and other factors of an organism.

Answer 12

Explanation of Solution

Hersey and Chase experimented to identify the molecule which is responsible for heredity. They took advantage of the fact that protein present in protein coat of T2 virus contains sulfur but not phosphorus, whereas DNA present in genetic material of T2 virus contains phosphorus but not sulfur.

Therefore, Hersey and Chase prepared two batches of phage particles with various radioactive labeling. They used radioactive phosphorus ³²P to label phage protein and sulfur ³⁵S to label the protein of T2 virus. When ³⁵S labeled T2 virus was allowed to infect bacteria, their progeny did not carry any radioactivity in their DNA. When bacteria were allowed to infect by ³²P labeled T2 viruses, the radioactivity in the DNA of new phage particles was detected.

Hersey and Chase experiment showed that DNA acts as genetic material which passes from one generation to another, not protein.