I believe the correct word in the blank would be biological. I don't think anything else will fit in, especially when monomers of biological polymers are truly larger and more complex.
They are both known to be heavy, hydrogen is one of the two stable isotopes of deuterium
Osmosis is a process, this process involves molecules of a solvent to move through a semipermeable. It is basically purifies something. But no it does not cause things to grow it can help but it does not cause it
Living things are based on a universal genetic code. All organisms store the complex information they need to live, grow, and reproduce in a genetic code written in a molecule called DNA. That information is copied and passed from parent to offspring and is ALMOST identical in every organism on Earth.
