How many grams are in 3.25 x 1021 molecules of C6H203?

Two things that biomedical has invented or innovated

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

Element before carbon on the periodic table