BIOL 2051 Study Guide - Quiz Guide: Ribosomal Rna, Cell Wall, Archaea
Document Summary
Comparison of rrna sequences can be used to determine the evolutionary relationships among organisms. Plants - cellulose, protozoans lack a cell wall. 70s ribosomes but functionally similar to eukaryotes; methionine with 10-12 subunits each. Genus 16s ribosomal rna sequence difference of less than 5% are same genus. Species 16s ribosomal rna sequence difference of less than 3% are same species. Nomenclature and bergey"s manual: binomial system of nomenclature: descriptive genus name & species epithet, ex. The international code of nomenclature of bacteria regulates naming of prokaryotes: bergey"s manual of systematic bacteriology. Formal recognition of a new prokaryotic species requires: deposition of a sample of the organism in 2 international culture collections, official publication of the new species name and description in international. Journal of systematic and evolutionary microbiology (ijsem): bergey"s manual of systematic bacteriology and the prokaryotes are major taxonomic compilations of bacteria and archaea. Chloroflexi highly resistant to radiation due to dna repair mechanisms.
