BS 148H Lecture 7 - BS148HLecture7 16:36...

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BS 148H Lecture 7 16:36 Prokaryotes and Viruses 3 Domains Archaea, Bacteria, Eukaryota Two types of cells Prokaryote (no nuclear envelope (nucleus)) and eukaryote (possesses  nuclear envelope) o Bacteria and Archaea consist of prokaryotic cells They can function as aggregated colonies by are not integrated into  tissues or organs Two domains are anaerobic and live in extreme environments o Protists, fungi, animals, and plants consists of eukaryotic cells  What do prokaryotes and eukaryotes have in common? Bounded by plasma membrane: a phospholipid bilayer w/ proteins Within membrane is semifluid called cytosol where organelles are found DNA chromosomes, coding for genes Ribosomes: organelles made of ribosomal RNA and protein Prokaryotes In most prokaryotes the genome consists of a ring or loop of DNA Plasmids amplify and duplicate prokaryotic DNA independently of the main 
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This note was uploaded on 11/11/2010 for the course BS 158H taught by Professor Elzinga during the Fall '08 term at Michigan State University.

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BS 148H Lecture 7 - BS148HLecture7 16:36...

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