Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 25.1, Problem 1SB
Why is the reducing nature of early Earth’s atmosphere key to the Oparin–Haldane theory of the origin of molecules necessary for life?
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What does Oparin-Haldane Hypothesis assume about Earth’s primordial atmosphere? Why would this have been important for the origin of biologically significant molecules?
What evidence is there for the hypothesis that life originated on Earth by the creation and polymerization of small organic molecules by natural processes?
With regard to the origin of life, why are biologistsinterested in the prebiotic synthesis of organic molecules?
Chapter 25 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 25.1 - Why is the reducing nature of early Earths...Ch. 25.1 - Prob. 2SBCh. 25.2 - Prob. 1SBCh. 25.2 - Prob. 2SBCh. 25.2 - Prob. 3SBCh. 25.3 - Prob. 1SBCh. 25 - Prob. 1TYKCh. 25 - Which of the following is not a characteristic of...Ch. 25 - Prob. 3TYKCh. 25 - According to the OparinHaldane hypothesis, the...
Ch. 25 - Prob. 5TYKCh. 25 - Prob. 6TYKCh. 25 - In a population of self-replicating RNA molecules,...Ch. 25 - Prob. 8TYKCh. 25 - Prob. 9TYKCh. 25 - Prob. 10TYKCh. 25 - Prob. 11TYKCh. 25 - Prob. 12TYKCh. 25 - Prob. 13TYKCh. 25 - Prob. 14TYKCh. 25 - Prob. 15TYKCh. 25 - Prob. 16TYKCh. 25 - Prob. 1ITDCh. 25 - Prob. 2ITDCh. 25 - Prob. 3ITD
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Why are scientists interested in the primordial synthesis of organic molecules when it comes to the genesis of life?arrow_forwardWas there molecular oxygen in the earth's primitive atmosphere? How has that molecule become abundant?arrow_forwardWhy is the Miller experiment important even though it did not create life nor did it duplicate the conditions of Earth’s early atmosphere?arrow_forward
- How does the structure of a DNA molecule help account for the great variety of life that exists on earth?arrow_forwardList several significant events in the history of life on earth that are associated with the K-T Boundary.arrow_forwardthe landmark experiment by Miller and Urey, and various repeats of this experiment, did not successfully recreate life itself, but why do we consider the results from this experiment as support for the origin of life on Earth?arrow_forward
- Which molecule -DNA or RNA- do scientist believe was found in the first life form on Earth? Why do scientist believe this molecule was first to form life?arrow_forward69. Theoretically, radiocarbon dating (Carbon-14) can date materials that are at most 1.31 billion years. 100,000 years. 40,000 years. 5730 years. None of the abovearrow_forwardWhich of the following questions about the origin of life on Earth is most scientifically testable? * Why were the earliest life-forms created using only twenty amino acids? Did life originate to make the universe a better place? Was catalytic RNA used by ancient organisms as a stepping stone to acquire protein enzymes? Can simple organic molecules form spontaneously in an oxygen-free atmosphere?arrow_forward
- Why does there appear to have been only one origin of life on earth? Why are there not multiple origins? Why is life not originating still?arrow_forwardWhy was the origin of cyanobacteria of suchimportance to the evolution of life on Earth?arrow_forwardIn the 1950s, scientists Miller and Urey conducted a classic experiment in which water, methane, ammonia, and hydrogenwere sealed in a flask containing a pair of electrodes. An electric spark was fired between the electrodes, and after a week'stime, they found that amino acids were present in the flask. Which of the following best explains the significance of thisexperiment in explaining the origin of life on Earth?arrow_forward
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