Answer:
Before meiosis actually begins, the DNA that is packaged into chromosomes must be fully copied.
Is the EPIDERMIS.it has four layers of skin, the stratum which contains blood vessels and nerves
C. A wall of stones and mortar
This would act as a model describing the cell membrane.
Explanation;
A cell membrane is made up of a phospholipid bilayer with embedded proteins.
A cell membrane hold the different components of the cell together and to protect it from the environment outside the cell. It acts as a boundary between the inside environment and the outside environment of a cell.
It regulates the materials that enters and exits the cell; through selective movement of substances in and out of the cell.
