Which change in the substrate allows for DNA polymerase epsilon to function?
A reducing the masses of products
B providing an electrical potential
C decreasing activation energy
D serving as an active transport medium

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.