These are big molecules compared to tiny old helium.

A lump of metal is essentially one big molecule.

As a consequence, the big molecules come out first, and then the small ones follow in the elutent.

If there are few branches, big molecules can pass through.

Salts are always better at dissolving in water than big neutral molecules.

The problem there is that it's a big molecule.

Mystic said the whole idea of big, intelligent molecules was ridiculous anyway.

These big molecules are delicate, they degrade quickly, and many bacteria's defenses can handle them.

This reaction is very powerful because it can form a big molecule from two smaller ones.

So, we need one word for any way of cutting big molecules into small?