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7 Cards in this Set

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What feature has contributed significantly to bacterial diversity?
the use of fermentaion that releases carbon dioxide so the gass rose in the air blocking uv rays
Whats the difference between gram-negative and gram-positive bacteria?
Gram negative is usually pink/red stained and contains some peptidoglycan and an outermembrane. Gram positive has a purple/blue stain, extensive peptidoglycan and retains stain better than gram negative cells do.
Describe phototrophs
(light feeders) use light energy to promote electrons to the top of the electron transport chain
Describe organotrophs
oxidize organic molecules w/ high potential energy such as sugars
Describe lithotrophs
(rock feeders) oxidizes inorganic molecules w/ high potential energy such as ammonia or methane
Distinguish differences between Archea, Bacteria, and Eukarya
Archea is prokaryotes of extreme enviorments. Bacteria is most of the known prokaryotes. Eukarya is eukaryotic cells.
Are prokaryotes monophyletic?
Yes