Can Non Carbon Based Life Exist?

It would be impossible for life on earth to exist without carbon. Carbon is the main component of sugars, proteins, fats, DNA, muscle tissue, pretty much everything in your body. The reason carbon is so special is down to the electron configuration of the individual atoms.

Are there any non carbon-based lifeforms?

Non-carbon-based biochemistries. On Earth, all known living things have a carbon-based structure and system. ... He considered that there was only a remote possibility that non-carbon life forms could exist with genetic information systems capable of self-replication and the ability to evolve and adapt.

Can silicon based life exist?

So, the answer, at least for now, is no – although silicon can sometimes be used biologically as a sort of structural support (and there are some examples claiming silicon as an essential trace element) for carbon-based life - silicon-based life itself does not exist, as far as we know, because of the chemical and ...