Chapted 18 Flashcards
1
Q
Big Bang model
A
The universe began in an instant with a Big Bang
2
Q
Stanley millers experiment
A
Showed that acids form in reaction chambers designed to simulate early earth
3
Q
Protocell
A
Any membrane enclosed sac of molecules that captures energy, concentration in metabolism and replicates itself
4
Q
RNA world
A
A time when RNA both stores genetic information like an enzyme in synthesis
5
Q
Ribozymes
A
Synthetic, self-replacing RNAs
6
Q
Stromatolites
A
The oxygen producing, non-cycilic pathway of photosynthesis began evolving in Cyanobacteria
7
Q
Endosymbiosis
A
The symbiont lives out it’s life inside a host
8
Q
Astrobiology
A
Study of origins, evolution, and persistence of life on earth as it relates to life in the universe