Quiz#2-Origin of life

This experiment was conducted by the scientists:

• Stanley Miller and Harold Urey

• Harold Urey and Albert Einstein

• Louis Pasteur and Francesco Redi

• James Watson and Francis Crick

Which question were the scientists trying to answer with this experiment?

• Where do cells come from?
• How did prokaryotes form cell membranes?
• How are biomolecules formed?
• What gave rise to the Eukaryotic cell?

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Miller/Urey and other scientists have shown that:

•  Life on early Earth required material from space
• Cells survived in the primitive atmosphere
• Amino acids could be produced from inorganic molecules 
• Simple cells can be produced in a laboratory

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Which type of cell came first?

• Eukaryotic
• Prokaryotic
• Plant
• Both Eukaryotic and Prokaryotic cells evolved around the same time

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The idea that Earth's early oceans had organic molecules that became the first life is called the...

• Primordial soup hypothesis
• Bubble hypothesis
• Miller-Urey Experiment
• Radioactive dating theory

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The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today? 

• Amino acids spontaneously form from molecules in the atmosphere today
•  Organic molecules are present today in extremely high concentrations
• The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory
• No other alternative hypotheses have been introduced

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What is another name for natural selection?

• survival of the smartest

• survival of the fastest

• survival of the biggest

• survival of the fittest

Which scientist disproved the idea of spontaneous generation once and for all by using a specifically designed swan-necked flask to heat broth?

• Spallanzani

• Pasteur

• Redi

• Needham

Which scientist was one of the first to disprove spontaneous generation by showing that flies were not created by meat?

• Spallanzani

• Pasteur

• Redi

• Needham

Which of the following is the natural law that states that living organisms come only from other living organisms and are not created from nonliving materials?

• evolution

• oxidation

• biogenesis

• abiogenesis