The determine which molecules might have formed spontaneously on early earth, Stanley Miller used an apparatus with an atmosphere containing ______.

Related MCQs

• How many molecules of NADH2 are produced when four molecules of phosphogyceraldehyde arc converted into four molecules of pyruvate (Guj.CET. 2006)
• Urey and Miller in their experiment used a mixture of gases corresponding to primitive earth. These were ______.
• If there was no CO2 in the earth’s atmosphere, the temperature of earth’s surface would be. CBSE1995
• A. Six turns of Calvin-cycle result in the production of one molecule of glucose (C6H12O6) R. Three molecules of ribulose 1, 5 – bisphosphate (Ru BP) react with three molecules of carbon dioxide to produce six carbon intermediates.
• To produce 3 glucose molecules ______ ATP and ______ NADPH2 molecules are required.
• Match the appropriatc : Column – I Column – II A. Cosmozoan theory (i) Oxidizing environment rich in autotrophs like cyanobacteria B. Spontaneous generation (ii) Microspheres C. Primary abiogenesis (iii) Hot ball of gases D. Atmosphere I (iv) Oparin and Haldane E. Atmosphere III (v) Panspermia F. Sydney Fox (vi) Abiogenesis A B C D E F A B C D E F
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• A. The first molecules formed for replicating cells were most probably RNA. R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena.
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