When a bond forms between units of a macromolecule, a water molecule is lost. what is this process called?

The process called dehydration synthesis.

Explanation:

Macromolecules are mostly made from single subunits, called monomers. The monomers combine with each covalent bond to create larger molecules.

Monomers release water molecules in this process as byproducts. This reaction is known as dehydration synthesis. Since two monomers are condensed to form one larger molecule, considered to be a condensation reaction with the loss of a smaller molecule.

Thus, The process called dehydration synthesis.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

lipid

explanation: