1) The cell membrane surrounds the cytoplasm and prevents it from spreading out of the cell
2) Albumin which is a protein transport free fatty acids, which result from lipid digestion, in the blood stream by binding to it
3) The nucleus contains the chromosomes which carry the DNA on them
The Anwser is 1/4 because 1 flip is 2 side possible but if you flip it twice you get a total of four and the chances of it hitting head twice is 25%
I know some of them.
For instance, blood cells, nerve cells, sperm cells, and egg cells.
Through electrochemical processes