dna

RNA and DNA are two essential molecules that play a vital role in the life of all organisms. They are both nucleic acids, meaning they are made up of smaller units called nucleotides. Nucleotides are composed of a sugar molecule, a phosphate group, and a nitrogenous base. DNA (Deoxyribonucleic Acid) DNA is the genetic material that is passed down from parents to offspring. It contains the instructions for building and maintaining an organism....