Glossary

DDL :

DDL is a cyclic compound, i.e. a compound in which a series of carbon atoms are connected to form a loop or ring [3,5-diacetyl-1,4-dihydrolutidine].


Dementia (glossary) :

Loss of brain function that occurs with certain diseases or trauma. It affects memory, thinking, language, judgment, and behaviour.


DNA :

Abbreviation that stands for ‘DeoxyriboNucleic Acid’. The DNA plays a central role in protein synthesis, and is responsible for the transmission of hereditary characteristics from parents to offspring.


DNA base (glossary) :

Essential building block of the DNA molecule. DNA contains four complementary bases: adenine (A), which pairs with thymine  (T), and cytosine (C), which pairs with guanine (G). The human genome is made of a sequence of roughly three billion of these bases.


DNA sequence (glossary) :

A succession of letters representing the DNA bases, which are the basic subunits of a DNA molecule.


Dye Laser (glossary) :

A laser that makes use of organic dyes and emits light in the visible light spectrum.