Answer:
A is pointing to the cell membrane. The cell membrane's main function is to provide protection for the cell as well as allow substances in and out of the cell due to selective permeability.
Explanation:
Some other functions:
-Endocytosis and Exocytosis
-Cell Signaling
Gregor Mendel planted garden peas and used them as the basis of his study of inherited traits. They do not mature slowly.
I'm not doing American Hone School. I'm busy with my own school
I think it is change to the phenotype of the organism