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Evaluation of prokaryotic and eukaryotic cell Kumar Ravi* Bharat Institute of Technology, Meerut, UP *Corresponding Author E-mail: ravikashyap7417@gmail.com
Online published on 27 September, 2021. Abstract In the “ecosystems-first” approach to the origins of life, networks of noncovalent assemblies of molecules (composomes), rather than individual protocells, evolved under the constraints of molecular complementarity. Composomes evolved into the hyperstructures of modern bacteria. We extend the ecosystems-first approach to explain the origin of eukaryotic cells through the integration of mixed populations of bacteria. We suggest that mutualism and symbiosis resulted in cellular mergers entailing the loss of redundant hyperstructures, the uncoupling of transcription and translation, and the emergence of introns and multiple chromosomes. Molecular complementarity also facilitated integration of bacterial hyperstructures to perform cytoskeletal and movement functions. Top Keywords Cell, Membrane, Organelles, Eukaryotes, Prokaryotes. Top | | |
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