To answer: The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non- metabolic processes? Introduction: Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

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Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

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Answer 2

Question

Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

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Answer 3

Question

Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

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Answer 4

Question

Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

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Answer 5

Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

Answer 6

Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

Answer 7

Chapter 2, Problem 5CT

Summary Introduction

To answer:

The amino acids synthesized in a test tube, D and L forms, occur in equal amounts. The cells use only L forms in their proteins. The meteorites are found to contain amino acids, occasionally. Based on these facts, how can the NASA scientists determine whether the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes?

Introduction:

Amino acids exist in nature in L and D forms, but the L-amino acids are predominately found in all cells. The bacterial cell wall only produces D-amino acids.

Answer 8

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Answer 19

Ch. 2 - Electrons zip around the nucleus at about 5...Ch. 2 - Chlorine and potassium atoms form ionic bonds,...Ch. 2 - Why are decomposition reactions exothermic, that...Ch. 2 - Why does the neutralization of an acid by a base...Ch. 2 - Raw Oysters and Antacids: A Deadly Mix? The highly...Ch. 2 - Why do the cell membranes of microbes living in...Ch. 2 - Prob. 1MC Ch. 2 - The atomic mass of an atom most closely...Ch. 2 - One isotope of iodine differs from another in...Ch. 2 - Prob. 4MC

Solution Summary: The author explains that the amino acids recovered from space are evidence of Earth-like extraterrestrial life rather than the result of non-metabolic processes.

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