In humans, beta cells in the pancreas and skin cells both contain the same DNA. However, because of cellular differentiation, the beta cells can make insulin while the skin cells cannot. What causes this difference? Use the
terms epigenome and promoter in your answer.

Blank is a rock with a find dark texture that makes up the oceanic crust

The wind speed in the region between cities a and b was probably the greatest at noon on which day?

Transposon can cause mutations in genes at or near the site of transposon insertion. it is possible for these elements to transpose away from their original site, causing a reversion of the mutant phenotype. in some cases, however, even more severe phenotypes appear when these elements excise from this site, due to events at or near the mutant allele. what might be happening to the transposon or the nearby gene to create more severe mutations?