If a species contains 33% a in its dna what is the percentage of uracil it would contain?
-27%
-47%
-33%
-none of these

The rate at which molecules water and oxygen can enter a cell is determined by the-

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere