If aliens have DNA, it might look something like this.
Chemists have synthesized a DNA-like molecule using unnatural versions of the A, T, C and G “letters” that make up the genetic code. The resulting molecule has greater structural stability than natural DNA and would resist breakdown by DNA-degrading enzymes in cells, the team reports in the July 23 Journal of the American Chemical Society.
artificial DNA may be a superior building scaffold for constructing medical and
nanotechnological structures,” says lead scientist Masahiko Inouye of the
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