What do bacteria and humans have in common that makes it possible for a human gene to be expressed in bacteria?

DNA
The genetic code
Similar transcription process (DNA --> mRNA).
Similar translation process (mRNA ->protein)
Ribosomes.

This is what i found on google“ the monomers combine with each other via covalent bonds to form larger molecules known as polymers. in doing so, monomers release water molecules as byproducts. this type of reaction is known as dehydration synthesis, which means “to put together while losing water. in the process, a water molecule is formed.” i hope this you