INTEGRAT PRINC OF ZOO (LL W/ CONNECT)
18th Edition
ISBN: 9781264177875
Author: HICKMAN
Publisher: MCG
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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
INTEGRAT PRINC OF ZOO (LL W/ CONNECT)
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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- Scientist have determined that the early Earth had no free oxygen anywhere. Briefly explain what evidence in the rock layers that scientists found to prove when the early conditions on earth had free oxygen in the atmosphere.arrow_forwardDescribe the conditions that scientists think existed on early Earth.arrow_forwardThe 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_forward
- An 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_forwardWhose discovery made the dating of ancient materials possible?arrow_forwardSummarize the theories on how life on Earth began A. Inorganic molecule form organic molecules. B. Organic molecules form comets.arrow_forward
- Mitochondria 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_forwardIn the prebiotic world, the chemical evolution scenario proposes that: Small inorganic compounds gave rise to simple biomolecules from meteorites impacts on the Earth surface. Large inorganic compounds gave rise to simple biomolecules when sparked by lighting Small inorganic compounds gave rise to simple biomolecules when dissolved in sulfuric acid Simple biomolecules were created by primitive bacteria Small inorganic compounds gave rise to simple biomolecules when sparked by lighting.arrow_forward
- State in what ways Stanley miller simulated the condition of :-i) Primitive atmosphere on earth.ii) Energy source at the time of origin of life .iii) Formation of organic molecule of life.arrow_forwardWhich of these did Stanley Miller place in his experimental systemto show that organic molecules could have arisen from inorganicmolecules on the early Earth?a. microspheresb. purines and pyrimidinesc. gases found in the atmosphere of early Earthd. only RNAe. All of these are correct.arrow_forwardRadiometric dating uses the decay of to to determine how old fossils of biological material are using the rate of decay. Group of answer choices 14C, 12C 14N, 12C 12C, 14N 14C, 14Narrow_forward
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