Orgin of cells
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At first scientists thought that life would just poof out of thin air but later it was proved that life can only come from other life
In 1924, Alexander Oparin published a book that outlined his thoughts on a gradual progression form simple chemistry to living cells
The Origin of Life
The RNA world theory shows that RNA kick started life. This is mainly thought because RNA is found in many different cells and they can interact with their environment. Also RNA looks like DNA
Because RNA can interact with its environment it can create things out of other molecules. Every strand of RNA that different will create something new
Also there is the endosymbiotic theory. This theory says that larger prokaryotes consumed smaller ones. Instead of getting digested they lived inside of the large prokaryote.
Also the endosymbiotic theory provides an example that eukaryote evolved from prokaryotes.
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