milligrams
The smallest structural unit of a protein is the amino acid. The smallest functional unit of a protein is a little ambiguous, because some might consider the amino acid to be functional (after all, some can function as neurotransmitters). Or, some might consider the peptide (di, tri, etc) to be a functional unit. One could argue what exactly is the smallest functional unit of a protein.
Amino acids are the elementary bricks of proteins.
The smallest unit that makes up a hair is a protein called keratin. Keratin molecules bond together to form the structure of a hair strand, providing strength and flexibility.
The smallest unit is a quark. I'm not sure what you mean by 'of classification'
If it is a molecular compound, the smallest unit is called a molecule. If it is an ionic compound, the smallest unit is called a formula unit.
Alyssa Carney is the smallest unit of mass.
A molecule is a compounds smallest unit
This smallest unit is the atom.
A cell is the smallest unit of an organism
Smallest unit of a compound is a molecule.
the smallest unit that can cary on life is cell.
The smallest unit in which evolution occurs is a population.