Inside every human cell, 2 meters of DNA is crammed into a nucleus that is only one-hundredth of a millimeter in diameter.To ...

Chances are you've seen an illustration of DNA's double-helix structure and ... is a nucleus -- a sphere-like structure separated from the rest of the cell by a membrane. The nucleus acts as ...

Rather, like ... material through their work with bacteriophages, which are viruses that infect bacteria (Figure 1). Bacteriophages are composed of only two substances: protein and DNA. By using ...