Quarterplate : negative or print format measuring 3 ¼ x 4 ¼ inches. It's one quarter the size of a full plate (8 ½ x 6 ½ inches).
Deoxyribonucleic Acid [DNA]
Deoxyribonucleic acid is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses. DNA and RNA are nucleic acids; alongside proteins, they compose the three major macromolecules essential for all known forms of life.