The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Overview of Transformation Protocol -Prepare competent bacteria for transformation: Treat starter E. coli bacteria with CaCl2and Competent Cell Solution (CCS). Store on ice until transformation procedure. Competent cells are cells that are likely to take up foreign DNA and be transformed. This step increases the likelihood that the E. coli cells will take up the introduced vector and be transformed. -Transformation procedure: Obtain two microcentrifuge tubes containing your competent cells. Label one tube +DNA and one -DNA. Add CaCl2 to both tubes. Add the transformation mix containing the plasmid DNA to the tube labeled +DNA. Do not add any plasmid DNA to the -DNA tube. Incubate both tubes on ice for 10 minutes. Then, place both tubes in a 42\deg C water bath for 45 seconds. Replace the tubes in an ice bucket for 2 minutes. Add recovery broth to both tubes. Incubate both tubes in a 37 C water bath for 5 minutes. Questions: 1) What differences would you expect to see between the…

Overview of Transformation Protocol -Prepare competent bacteria for transformation: Treat starter E. coli bacteria with CaCl2and Competent Cell Solution (CCS). Store on ice until transformation procedure. Competent cells are cells that are likely to take up foreign DNA and be transformed. This step increases the likelihood that the E. coli cells will take up the introduced vector and be transformed. -Transformation procedure: Obtain two microcentrifuge tubes containing your competent cells. Label one tube +DNA and one -DNA. Add CaCl2 to both tubes. Add the transformation mix containing the plasmid DNA to the tube labeled +DNA. Do not add any plasmid DNA to the -DNA tube. Incubate both tubes on ice for 10 minutes. Then, place both tubes in a 42\deg C water bath for 45 seconds. Replace the tubes in an ice bucket for 2 minutes. Add recovery broth to both tubes. Incubate both tubes in a 37 C water bath for 5 minutes. Questions: 1)What is the selectable marker in this experiment? How…

Based on your results, which suspect's DNA best matches the DNA found at the crime scene?

Answer 2

Question

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 3

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Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 4

Question

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Answer 5

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

Answer 6

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

Answer 7

Chapter 21, Problem 2TYU

Summary Introduction

Concept introduction: The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

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Ch. 21.1 - Describe the conditions that scientists think...Ch. 21.1 - Compare the prebiotic soup hypothesis with the...Ch. 21.1 - Prob. 1C Ch. 21.1 - How does the ironsulfur world hypothesis differ...Ch. 21.2 - Outline the major steps hypothesized to have...Ch. 21.2 - Explain how the evolution of photosynthetic...Ch. 21.2 - Prob. 5LO Ch. 21.2 - Prob. 1C Ch. 21.2 - Prob. 2C Ch. 21.2 - VISUALIZE Draw a simple sketch illustrating the...

The Earth was formed before 4.6 billion years from the sun due to the continuous bombardment of huge rocks and ice. When Earth was formed, chemical evolution began, which led to the formation of organic molecules. Organic molecules led to the evolution of first cells and thus life evolved.

Solution Summary: The author explains that ribonucleic acid (RNA) was the first genetic material to evolve.

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