Answer:
Controls the movement of substances into and out of the cell.
Each cell does not perform every life function on its own. Instead, the cells work together to carry out the life functions of the organism.
Answer:
Carbon - 13
Explanation:
For most of the elements other than that of hydrogen, the isotopes are named for the mass number.
Example : Carbon atoms with 6 neutrons have mass number of 12 ( as
), so they are known as carbon-12.
Given that:
Protons = 6
Neutrons = 7
Mass = 6 + 7 = 13
So the name is Carbon - 13 . The symbol is 
"Increase Pressure " is the right answer. if you need help , let me know