Answer:
A
Explanation:
The only way for a cell to use energy stored within a molecule is in this example would be to break the bond between 1 and two because it would be impossible for energy to get to 3, 4, 5.
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.
It puts the earth in the middle. If you break down the word geocentric it very literally means earth middle. Hope this helps!
"The nucleus contains the cell's DNA. This genetic material provides the instructions for building proteins and, thus, dictates the structure and function of the cell throughout its life. ... In some types of cells, cytoplasm is also used to move the cell itself or to move organelles within the cell."( I found this in an article on google)