Question 2

(Multiple Choice)

In a typical human cell, DNA polymerase synthesizes DNA at a rate of approximately 50 nucleotides per second.Human chromosome 1 contains about 250 million base pairs.If a single origin of replication were used, how long would it take the cell to copy this chromosome?


A)less than 24 hours
B)1 to 2 days
C)1 to 2 weeks
D)50 to 60 days
E)110 to 120 days

Answer

D