Origin of LIfe Flashcards
first cooked up primoridial soup
1952 - Stanley Miller
- the notion that when Earth was young, the oceans were filled with simple chemicals important for life
- these would eventually self-assemble into simple living cells
primordial soup
said that life may have formed from chemicals in some warm little pond
Charles Darwin
When was the Earth formed
4.5 billion years ago
Eon when the Earth first formed
Hadean Eon
When did things settle down after the formation of Earth
4 billion years ago
Dawn when the things in Earth settled down
Archean Eon
earliest possible time life could have started
Archean Eon
non life became life
abiogenesis
said that life is a struggle agains entropy - the persistent resistance of decay, the preservation of DISequilibrium
Erwin Schrodinger
simply a measure of disorder and affects all aspects of our daily lives
Entropy
evolution through natural selection
Charles Darwin
Rules for Life
living things:
1. must work to avoid decay and disorder
2. have to create a closed system
3. must have some molecule that carry information
- information must evolve by natural selection
central dogma of biology
DNA-RNA-Protein
Ribonucleic acid (RNA) with such a sequence and folding structure that it can act as an enzyme
Ribozyme