nucleoprotein: any of several substances found in the nuclei of all living cells; consists of a protein bound to a nucleic acid
protein: any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes
hornpipe: an ancient (now obsolete) single-reed woodwind; usually made of bone