Answer:
The plasma membrane of a cell is a network of lipids and proteins that forms the boundary between a cell’s contents and the outside of the cell. It is also simply called the cell membrane. The main function of the plasma membrane is to protect the cell from its surrounding environment.
---the answer would be D all of the above---
sorry i had to edit it!!
2.5%
It is a very small percentage.
Answer:
B. Niveles de producción de la hormona del crecimiento.