How might researchers identify which ion enters the cell from outside, causing the rapid rise in membrane potential that initiates the action potential in additional experiments

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim