Write the Appropriate Letter in the Blank by Using the Following

Short Answer

Write the appropriate letter in the blank by using the following answer code to indicate the relative magnitude of the two items in question.
a.A is greater than b.b.B is greater than
a.c.A and B are equal or approximately equal.
-a.Plasma concentration of estrogen during the follicular phase of the ovarian cycle
B.Plasma concentration of estrogen during the luteal phase of the ovarian cycle