BIO 200 Lecture Notes - Lecture 12: Thermotoga Maritima, Gram Staining, Horizontal Gene Transfer

27 views9 pages

Document Summary

Diffe(cid:396)e(cid:374)(cid:272)e (cid:271)et(cid:449)ee(cid:374) (cid:862)p(cid:396)oka(cid:396)yotes(cid:863) a(cid:374)d euka(cid:396)yotes: unicellularity (cid:862)prokaryotes(cid:863) Highly: (cid:862)p(cid:396)oka(cid:396)yotes(cid:863) a(cid:396)e unicellular organisms, some do clump together in groups to form filaments, but the individual unit of bacteria or archaea is unicellular, the eukaryotes are mostly multicellular, but there are also unicellular eukaryotes. Internal structure: prokaryotes lack a cytoskeleton, enzymes and proteins are free floating within the cell membrane, eukaryotes are highly compartmentalized. Double membrane bound nucleus with multiple linear chromosomes. Typically larger: have a complex cytoskeleton and many organelles, chromosomes (cid:862)p(cid:396)oka(cid:396)yotes(cid:863) Include both bacteria and archaeans: form energy by breaking the bonds of inorganic compounds and capturing the e(cid:374)e(cid:396)gy that"s sto(cid:396)ed the(cid:396)e, afte(cid:396) gai(cid:374)i(cid:374)g the e(cid:374)e(cid:396)gy that"s sto(cid:396)ed i(cid:374) the bonds, they break down carbon (cid:862)p(cid:396)oka(cid:396)yotes(cid:863) Groups of bacteria: we do(cid:374)"t k(cid:374)o(cid:449) a lot a(cid:271)out spe(cid:272)ifi(cid:272) (cid:271)a(cid:272)te(cid:396)ia a(cid:374)d archaea, low-gc, gram positive, stained dark blue or violet by gram staining, have thick peptidoglycan layer, have more at than gc bases in their.