There is one base pair for every 0.34 nm of DNA and the total contour length of all the DNA in a single human cell is 2m.
a) Calculate the number of base pairs in a single cell. 
b) Assuming that there are 10^14 cells in the human body, calculate the total length of DNA.
ANS (Part A): 6 million base pairs
ANS (Part B): 2x 10^11 km of DNA 
Additional Requirements 

Level of Detail: Show all work