EXPLORE THE BIOLOGY:

DNA (DeoxyriboNucleic Acid) is made of two strands which wind around each other in a double helix.  When DNA is replicated, the DNA strands are separated and each serves as a template (i.e. the basis for a pattern) for a new double helix.

DNA-strand-length:  30                            Speed:  Normal

Enzyme labels: checked                           Substitutions:  unchecked

Nucleo labels: unchecked                         Free-nucleosides:  50                   Time-limit:  None

NOTE: Even though you are moving the proteins in this simulated cell by hand, in a real cell the proteins move randomly. This model allows the movement of molecules using the mouse to observe the effects faster. You would see the same behavior in the model but at a very slow pace if you do not move the molecules by hand.