下列（）为聚合物。 A: monomer B: polymer C: molecule D: atom

Proteins are large polymeric biomolecules made of monomer units called (nucleotide/ amino acids).

The<br/>average number of monomer molecules contained in a polymer molecule<br/>is called ________. A: number-average<br/>degree of polymerization B: kinetic<br/>chain length C: weight-average<br/>degree of polymerization D: number<br/>of structure units