What makes Archaea Different?
- Cell walls contain diff polysaccharides, not peptidoglycans, cellulose, or chitin
- Plasma membrane contain different phospholipids
What Makes Archaea Similar
- Like bacteria, are prokaryotes
- Like eukaryotes, are not inhibited by antibiotics and some have introns
- Bacteria don’t have ribosomes & ribosome activity is inhibited by antibiotics
Extremophiles
- Thrive in extreme conditions
- Halophiles: highly saline
- Thermophiles: very hot
Domain Eukarya
- Evidence for common ancestry of eukaryotes
- Organelles, linear chromosomes, histone proteins