Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 4RQ
Why do we say that living cells are carbon-based? Briefly discuss whether life elsewhere could be based on something besides carbon.
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Chapter 5 Solutions
Life in the Universe (4th Edition)
Ch. 5 - Briefly describe the six key properties that...Ch. 5 - What is natural selection? Summarize the logic by...Ch. 5 - Briefly describe the evidence that points to a...Ch. 5 - Why do we say that living cells are carbon-based?...Ch. 5 - Briefly describe each of the four main classes of...Ch. 5 - Prob. 6RQCh. 5 - What are the three domains of life? Which domain...Ch. 5 - What do we mean by the tree of life? List three...Ch. 5 - What is metabolism, and what are the two basic...Ch. 5 - Why is water so important to life on Earth? List...
Ch. 5 - Describe the double helix structure of DNA. How...Ch. 5 - What is a gene? A genome? The genetic code?Ch. 5 - What are mutations, and what effects can they...Ch. 5 - What are extremophiles? Give several examples of...Ch. 5 - Prob. 15RQCh. 5 - Explain how evolution exhibits each of the three...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Suppose we found an organism on Earth with the...Ch. 5 - Choose the best answer to each of the following....Ch. 5 - Choose the best answer to each of the following....Ch. 5 - Choose the best answer to each of the following....Ch. 5 - An organisms heredity is encoded in (a) DNA; (b)...Ch. 5 - Prob. 31TYUCh. 5 - Which of the following is not a source of energy...Ch. 5 - People belong to domain (a) eukarya; (b) archaea;...Ch. 5 - Which of the following mutations would you expect...Ch. 5 - Generally speaking, an extremophile is an organism...Ch. 5 - Based on what you have learned in this chapter, it...Ch. 5 - The History of Evolution. Many people assume that...Ch. 5 - Prob. 38POSCh. 5 - Rock Life? How do you know that a rock is not...Ch. 5 - Genetic Variation. One of the underlying facts...Ch. 5 - Artificial Selection. Suppose you lived hundreds...Ch. 5 - Prob. 43IFCh. 5 - Dominant Life. While most of us tend to think of...Ch. 5 - The Human Power to Destroy. We may have the...Ch. 5 - The Search for Life. Based on what you have...Ch. 5 - Prob. 47IFCh. 5 - Atomic Numbers in Life. A typical bacterium has a...Ch. 5 - Oxygen Atoms in People. Figure 5.6 shows that...Ch. 5 - Cellular Energy. A typical eukaryotic cell, such...Ch. 5 - The Genetic Code. Suppose that, as evidence...Ch. 5 - Science and Religion. Science and religion are...Ch. 5 - Computer Life. Although scientists have already...Ch. 5 - Genetic Engineering and Future Evolution. For...Ch. 5 - Prob. 55IF
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