In DNA, the nitrogen bases pair up. The correct pairing is with , and with . *

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna