scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 799
Today weve realised that the very first life on Earth was indeed originated from abiotic surroundings In fact organic molecules have been successfully generated from abiotic elements by scientists To understand how this creation of life from abiotic material occured we have to consider a critical idea Life originated from its abiotic surroundings Thus it is important for us to learn about the physical and chemical environments of the primitive Earth The atmosphere of primitive Earth consisted of reactive naturally availabe molecules Nitrogen N2 water H2O methane CH4 and ammonia NH3 etc These molecules what was needed to create life -- in fact the percentage of hydrogen oxygen nitrogen and carbon together consists 995 of all matters In fact the percentage of essential elements of life -- C N O H P and S -- are quite similar from individuals to individuals Energy wise the Earth had plenty from a variey of sources Radiation from the cosmic and radioactive isotope decays UV light there were no protective ozone layer and thus immense heat Electrical discharge from the never ending lightning caused chemical reactions to occur very often and there was also another source of heat from the young earth crust which was volcanically active For most chemical reactions to take place a spark of electricity is needed and this was provided by the lightning in the atmosphere Amino acids basically consist of hydrogen nitrogen oxygen and carbon Due to all of the lightning chemical reactions took place between molecules of N2 and H2 thus these molecules formed Amino acids A famous American scientist Dr Fox was able to show how amino acids the building blocks of proteins found in all living things could spontaneously organize themselves into microspheres These cell-like structures in the right conditions -- perhaps like those found shortly after the Earth was formed -- grow and multiply A trace of these microspheres where
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA