Would the exons of dna normally ever be together as a separate dna molecule in a cell without the introns as they were in the shorter sequence you used to find the exons and introns? explain.

Are the earth's ocean floor and continents the same age geologically? why or why not?

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.