4th November 2019


What are the monomers or building blocks of a protein?

Proteins: the macromolecule and the monomer: Proteins are about 50% of the dry weight of most cells, and are the most complex of the macromolecules we will talk about, because there are 20 different monomers or building blocks, called amino acids.

What are the three parts of an amino acid that are the same?

All amino acids include five basic parts:
  • a central carbon atom.
  • a hydrogen atom.
  • an amino group - consisting of a nitrogen atom and two hydrogen atoms.
  • a carboxyl group - consisting of a carbon atom, two oxygen atoms, and one hydrogen atom.
  • an R-group or side chain - consisting of varying atoms.
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