The hypothetical elements shown here (figures a—d) do not include hydrogen or helium. which element would you expect to bond covalently with an oxygen atom to form a two-atom molecule?

What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction