Which blood vessels branch directly off of the aorta at the level of the aortic semilunar valves?

A) Brachiocephalic arteries
B) Right and left coronary arteries
C) Right and left subclavian arteries
D) Great cardiac veins
E) Right and left pulmonary arteries

Which of the following statements is FALSE with regard to DNA replication?

A) DNA synthesis proceeds in the 5¢->3¢ direction.
B) The strand being copied is read in the 5¢->3¢ direction.
C) Both strands are replicated at the same time.
D) The position of the replication fork is constantly moving.
E) Two identical DNA polymerase molecules catalyze replication.