The part of the Pons in the brain that allows Urination/Micturition to flow.

The mechanical process of urination is coordinated in an area of the pons known as the pontine micturition center (PMC). The PMC coordinates the urethral sphincter relaxation and detrusor contraction to facilitate urination. The pons is a major relay center between the brain and the bladder.

Explanation:

is this a psat question, if so do not cheat try your best.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.