• Cell metabolism and energy use • Synthesis of molecules • Communication • Reproduction and inheritance

Molecular Composition of Cell: ORGANIC COMPOUNDS

Three Main Parts of Human Cell

• Intercellular Fluid packed with organelles • Small structures that perform specific cell functions

• An organelle that controls cellular activities. • Typically lies near the cell center.

Outer boundary of the cell

• Cellular material between the plasma membrane and the nucleus. • Site of most cellular activities.

Cytoplasm's Three Major Elements:

Membranous Organelles

Non-membranous organelles

"Kernel"

"Little Nuclei"

Fine, unevenly stained network