The Origin of Life
Quiz by Zhao
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20 questions
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- Q11. What was the main goal of the Miller-Urey experiment?To discover the structure of DNATo synthesize organic compounds from inorganic precursorsTo determine the chemical composition of Earth's early atmosphereTo create life in a laboratory setting30s
- Q22. In what year did Stanley Miller and Harold Urey conduct their famous experiment?195319441961197030s
- Q33. What gases were used in the Miller-Urey experiment to simulate Earth's early atmosphere?Nitrogen, hydrogen, and water vaporHydrogen, methane, ammonia, and water vaporCarbon dioxide, methane, and oxygenNitrogen, oxygen, and carbon dioxide30s
- Q44. What did the Miller-Urey experiment produce that was significant for the study of the origin of life?Nucleic acidsAmino acidsSimple sugarsLipids30s
- Q55. How were the synthesized organic molecules in the Miller-Urey experiment collected?By centrifugationBy using a cold trapBy filtering the mixture through a membraneBy evaporating the water30s
- Q66. The RNA world hypothesis proposes that RNA existed before which other molecule?ProteinsDNACarbohydratesLipids30s
- Q77. Which property of RNA makes it a suitable candidate for the RNA world hypothesis?Its simplicityIts ability to bind to lipidsIts stability in high temperaturesIts ability to replicate itself30s
- Q88. What type of molecule is thought to have eventually replaced RNA as the primary genetic material, according to the RNA world hypothesis?ProteinsCarbohydratesLipidsDNA30s
- Q99. What essential function can RNA perform that supports the RNA world hypothesis?Conducting electrical impulsesStoring genetic informationCatalyzing chemical reactionsForming cellular structures30s
- Q1010. Which of the following is a modern example of an RNA-based catalyst?RNA polymeraseRibosomeDNA polymeraseRibozyme30s
- Q1111. What is considered the primary event in the origin of the eukaryotic cell?The development of the endoplasmic reticulumThe evolution of multicellularityThe fusion of two prokaryotic cellsThe engulfing of one prokaryotic cell by another30s
- Q1212. Which organelle is believed to have originated from a symbiotic relationship between a host cell and a prokaryotic cell?Golgi apparatusEndoplasmic reticulumMitochondria
lysosome
30s - Q1313. The endosymbiotic theory proposes that mitochondria and chloroplasts were once what type of organism?VirusesArchaeaFungiBacteria30s
- Q1414. What is the primary evidence supporting the endosymbiotic theory for the origin of eukaryotic cells?Homology between eukaryotic and prokaryotic proteinsSimilarities in cell membrane compositionPresence of DNA in mitochondria and chloroplastsAbility of organelles to reproduce independently30s
- Q1515. Which scientist is most closely associated with the development of the endosymbiotic theory?Gregor MendelErwin SchrödingerCharles DarwinLynn Margulis30s