Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 2, Problem 5RQ
Name three different sources of energy that could have powered reactions on early earth to form organic compounds.
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Chapter 2 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 2 - Explain each of these properties of water, and...Ch. 2 - What was the composition of the earths atmosphere...Ch. 2 - Regarding the experiments of Miller and Urey...Ch. 2 - Explain the significance of the Miller-Urey...Ch. 2 - Name three different sources of energy that could...Ch. 2 - By what mechanism might organic molecules have...Ch. 2 - Name two simple carbohydrates, two storage...Ch. 2 - What characteristic differences in molecular...Ch. 2 - Explain the difference between the primary,...Ch. 2 - Prob. 10RQ
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- What was Oparin-Haldane hypothesis on the emergence of life on Earth? A. The Earth's amino acids were derived from volcanic eruptions B. The Earth's amino acids were from a 4.5 billion years old meteorite C. Inorganic compounds created organic compounds spontaneously D. Inorganic compounds were results of lightning and UV radiationarrow_forwardExplain what the Miller experiments demonstrated aboutthe formation of the first organic molecules.arrow_forwardWas there molecular oxygen in the earth's primitive atmosphere? How has that molecule become abundant?arrow_forward
- The Miller-Urey experiment simulated compounds present in the atmosphere of early Earth, lightning, and the evaporation and condensation of atmospheric water. What other information about the conditions on Earth during this time period would you want to know to improve the experimentarrow_forwardAn abundance of___________ in Earths early atmosphere would have prevented the spontaneous assembly of organic compounds on early Earth. a. hydrogen b. methane c. oxygen d. nitrogenarrow_forwardwhat simple organic molecules were likely the precursors of life? a. water and proteins b. amino acids and nucleotides c. oxygen and carbon d. prokaryotes and eukaryotesarrow_forward
- Whose discovery made the dating of ancient materials possible?arrow_forwardReview the structures of nucleic acids and proteins in chapter 2. Whatchemical elements had to have been in primordial “soup” to generatethese organic molecules?arrow_forwardSummarize the theories on how life on Earth began A. Inorganic molecule form organic molecules. B. Organic molecules form comets.arrow_forward
- Why was the development of enzymes fundamental to the evolution of life? a) without enzymes, the activation energy for essential reactions was too low b) enzymes allowed for high rate of catalysis at relatively low temperatures c) enzymes reduced the cellular demand for ATP d) enzymes allowed for reactions to occur spontaneouslyarrow_forwardMitochondria and chloroplasts contain some DNA, which more closely resembles prokaryotic DNA than (eukaryotic) nuclear DNA. Use this information to suggest how eukaryotes may have originated.arrow_forwardWhich of the following did Stanley miller place in the experimental system to show that organic monomers could have risen from inorganic molecules on the early Earth? A. Only RNA B. Microspheres C. Purines and pyrimidines D. All of these are correctarrow_forward
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