As soon as ventricular pressure falls below atrial pressure, the atrioventricular valve will open and ventricular filling will begin.

True

False

the answer to your question is:

c. complementary base-pairing

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion