write it in your own words:
"In humans, five days after the fertilization, the blastocyst performs zona hatching; the zona pellucida degenerates and decomposes, to be replaced by the underlying layer of trophoblastic cells. The zona pellucida is essential for oocyte growth and fertilization."
The zona pellucida supports communication between oocytes and follicle cells during oogenesis; protects oocytes, eggs, and embryos during development, and regulates interactions between ovulated eggs and free-swimming sperm during and following fertilization.
Answer:
True
Explanation:
I say the ammonia is produced in the intestines. General that's a function for a liver suppose to do.
..........Proteins..........
It will gain water and may burst.
A, it is a self-defence mechanism, where they only do it if they have to.
Hope this helps!