The ________ is the Glycoprotein-Rich Region Between the Developing Oocyte

Question

The ________ is the glycoprotein-rich region between the developing oocyte and the granulosa cells.
A) acrosome
B) rugae
C) antrum
D) zona pellucida
E) corona radiata

Accepted Answer

The zona pellucida is a thick, glycoprotein-rich layer that surrounds the oocyte and separates it from the granulosa cells. It plays a crucial role in fertilization by allowing only sperm with the appropriate enzymes to penetrate and bind to the oocyte.