PLEASE I NEED HELP OR IM GOING TO FAIL- 50 POINTS Select from the drop-down menu to correctly complete the statement.

Different types of cells within an organism

A- sever a diffrent fuction

B- do not have any function

C- can survie all on their own

D- are all the same

A. serve a different function

A is the correct function, for example cells that makes up your liver perform the duties of a liver like filtering blood, while cells in your heart focus on helping the heart contract and relax.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass