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Biology 1b (Vista S2006)
Chapter 26 (Biology 6ed - Campbell/Reece)
6
Biology
Undergraduate 3
02/12/2006

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Term
Stromatolite
Definition
Rock made of banded domes of sedementation in which are found the most ancient forms of life. Prokaryotes dating back 3.5 billion years
Term
Spontaneous Generation
Definition
19th century concept that life can originate from inanimate material
Term
Biogenesis
Definition
Principle that life emerges from the reproduction of other living organisms
Term
Ribozymes
Definition
An enzymatic RNA molecule that catalyzes reactions during RNA splicing
Term
Protobionts
Definition
Aggregates of abiotically produced organic compounds. May have formed spontaneeously fro abiotically produced organic compounds, as demonstrated in the Miller-Urey experiment
Term
Three-Domain System
Definition
Bacteria, Archaea, Eykaryotes
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