The variations are more extensive among different people. Macromolecules - proteins, nucleic acids, and polysaccharides - are formed by the polymerization of hundreds of their low-molecular-weight ...

Nucleic acids are macromolecules, which means they are molecules composed of many smaller molecular units. Thes units are called nucleotides, and they are chemically linked to one another in a chain.

In contrast, nucleic acids such as DNA and RNA serve as informational macromolecules. DNA stores the cell's genetic information, which is selectively copied into RNA molecules that provide the ...

Nucleic acids are essential for all forms of life, and it is found in all cells. Nucleic acids come in two natural forms called deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Image Credit ...