Asingle strand of dna helix consists of 100 nitrogenous base pairs. on one strand, 36 of the bases are adenine and 24 are cytosine. for the complimentary strand of dna, which would complete the proper base pairing?

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?