In their laboratory experiments of simulations of early Earth, Miller and Urey observed the abiotic synthesis of abundant amounts of      DNA     amino acids     liposomes     genetic systems   Which of the following was probably NOT present in the primitive Earth s atmosphere (when life first appeared)?     O2     NH3     H2O     CH4     CO2

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Q: What experimentation has been done on finding the source or raw material for the first life on…

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Q: Which of these did Stanley Miller place in his experimental systemto show that organic molecules…

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Q: Which of the following conclusions about this form of life would be most justified?

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A:

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Q: Why is RNA likely to have been pivotal in life’s beginnings?

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Q: Which of these provides evidence of the common ancestry of all life? near universality of the…

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Q: Why was the development of enzymes fundamental to the evolution of life?

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Abiogenesis