Cell Structure and Function

The smallest working unit of all living things.

• Molecule

• Cell

• Atom

• Organelle

Which of the following is NOT a part of the cell theory?

• All living things are composed of cells.

• Cells are the basic units of structure and function in living things.

• New cells are produced from existing cells.

• Every cell has a nucleus.

Every single cell has the following EXCEPT:

• A cell membrane

• Genetic material

• Ribosomes

• A Nucleus

This large group of cells contains NO nucleus, is small and simple, and does not have membrane-bound organelles.

• Prokaryotes

• Eukaryotes

An example of a prokaryote is

• Bacteria

• Plants

• Animals

• Algae

This category of cells does have a nucleus, has membrane-bound organelles, and is larger and more complex.

• Prokaryotes

• Eukaryotes

An example of a eukaryotic cell is

• A Plant or Animal Cell

• Bacteria

'Little organs' within a cell with specific functions.

• Organs

• Cells

• Cell Membrane

• Organelles

This organelle controls the cell's activities and contains genetic material.

• Nucleus

• Cytoplasm

• Vacuole

• Ribosome

This part of the nucleus assembles ribosomes

• Nucleolus

• Chomatin

• Nuclear Envelope