Glossary beginning with D

d
DNA

A sequence of molecules (nucleic acids) found in the nuclei of all cells. DNA stores the genetic code, which is the blueprint for genetic make-up

Double blind

A study in which neither the subjects nor the investigators know who is receiving the active treatment and who the placebo. Double blind studies help eliminate bias on the part of scientists and "the placebo effect" in subjects

Dynamic warm-up

A series of movements (including bouncing and skipping) that are designed to actively prepare the muscles for performance and are performed in a safe and controlled fashion