What Is a Building Block of Nucleic Acids?


Quick Answer

The building block of nucleic acids is called a nucleotide. A nucleotide is composed of three types of chemicals: organic bases, a phosphate group and a sugar with five carbon atoms.

Continue Reading
Related Videos

Full Answer

The nucleotides for DNA and RNA have three of the same organic bases: adenine, guanine and cytosine. The fourth base is one of the key differences between the two. DNA has a base called thymine, while RNA has a base called uracil. Each nucleic acid also has a different sugar. DNA contains deoxyribose, which is why it is called deoxyribonucleic acid. The sugar found in RNA is called ribose, according to the Royal Society of Chemistry.

Learn more about Acids & Bases

Related Questions