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Based on your reading of the article "Origin of Life on Earth" which of the following is a false statement regarding how life developed?

A. As proteins are needed for the replication of DNA, the transcription of DNA into RNA and for the  translation of RNA into proteins, it is possible that proteins preceded both DNA and RNA during the  evolution of life on earth.

B. Scientists have been able to illustrate plausible ways by which nucleotides, single stranded  genetic polymers and membranes can self-assemble. 

C. Nucleotides and other nutrients can enter a proto-cell by crossing a membrane barrier that is  comprised of easy fatty acids.  

D. Based on the ability of ribozymes to repeat and functions as catalysts (in the absence of proteins)  it is widely believed that RNA came before DNA. 

 

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  • Category:- Biology
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