long chain
long-chain molecule

What the ancients did not know was that these substances all had one thing in common: long-chain molecules called paraffins.

In particular, all life uses long-chain molecules such as proteins and nucleic acid.

This consists, basically, of, in other words it is a linear long-chain molecule much like Figure 7.

Yes, the only moving part is the long-chain molecule in the metal itself.

Only the strand's substance was formed of a single long-chain molecule that could support a man's weight.

We're a long way from understanding much about long-chain molecules, y'kn0w, but I'm interested in that puzzle.

"You think it has some relation to those long-chain molecules?"

Proteins are long-chain molecules built from small units known as amino acids.

Sixty-four atoms in the long-chain organic molecule; five of them titanium.

The long-chain molecules are broken with extreme temperature provided by an electric arc in an inert environment.