BISC 132 Lecture Notes - Lecture 1: Intracellular Parasite, Greek Salad, Binomial Nomenclature
14 Sep 2016
School
Department
Course
Professor
Document Summary
Ph ylogenetic trees show inferred evolutionar y relationships between organisms. By observing physical and/or genetic differences and similar ities. Rna genes are often used because they are highly conserved (they don"t change much or often) so small changes have big mean ing. Chade: comp lete branches on that tree; includes an ancestor and its descendants. Archaea look like bacteria but have some of the same features as eukarya. The word and concept prokaryote causes much confusion. This word is not a domain but a cell typ e used to reference to both bacteria and archaea at once. Traits of the four kingdoms of eukar ya. Protists are all spread out on the phylo genetic tree; they are not just one thing. The kingdom is more like a catch- all for things that do not fit in the other three.
