Answer:
D. Weight depends on gravity and mass depends on volume.
The bases are at the interior of the double helix and are neatly stacked.
The phosphate groups groups are at the exterior of the DNA molecule
The sugar groups are at the interior of the DNA molecule
Animals that eat the birds would not have enough food. ... There would be more food available for the amphibian population.
Segments of DNA can be cut by using enzymes