by genes
A polysaccharide is a carbohydrate. It is not made of protein but of monosaccharides.
protein
Hair is primarily made of a protein called keratin.
Chromosomes are made of protein and DNA.
New protein molecules are made in the cytoplasm of the cell.
Hair is primarily made of a protein called keratin.
Hair is primarily made of a protein called keratin.
protein !
Protein-cutting enzymes are made in the ribsomes of cells.
Cell membrane pores are made up of protein.
The hard protein that hair is made from is called keratin.
Hair is primarily made up of a protein called keratin.