A single human cell encloses about 1.5 meters of DNA containing 4.5 billion base pairs.How far apart are these base pairs in the DNA,in nanometers? [This question requires the use of mathematics.]

Question

Quizplus · Accepted Answer

The total length of DNA is 1.5 meters, which is 1.5 x 10^9 nanometers. Dividing this by the number of base pairs (4.5 billion or 4.5 x 10^9) gives approximately 0.34 nanometers per base pair.

A Single Human Cell Encloses About 1