Thursday, 26 January 2017

molecular biology - Was there originally a non-ribosomal way of synthesizing proteins?


Proteins are synthesized on ribosomes from mRNA copies of regions of the DNA. But ribosomes themselves are made up of proteins (and RNA). So how could the first ribosomes have arisen? Was there previously some other way of making proteins other than by ribosomes and mRNA?




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evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

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