Hi lovely,
The answer you're looking for would be Biosphere.
-All signal transduction cascades are shut down immediately so as to prevent the cell from mounting a response.
-Cells are unable to respond quickly to hormones, and therefore signal transduction cascades always occur over a long time.
-Cells have to be able to function alone, because they are unable to work together in a coordinated fashion.
-Cells often have to respond very quickly to changes in their internal and external environments.
97 Electrons are in Britannium
The shedding of the endometrium occurs during ovulation resulting from a decrease in progesterone
Answer: Rr
Why? You cross the two and all the boxes with have Rr