Lesson 6: Cell Theory and Cell Structure

Plants only - site of photosynthesis

Site of cellular respiration

Control center of the cell - contains DNA

Structure that protects ALL cells

Site of protein synthesis

The scientific theory that all living things are made of cells, cells are the basic unit of life, and new cells come from existing cells.

A type of organism whose cells do not have a nucleus. Examples include bacteria and archaea.

A type of organism whose cells have a nucleus and other membrane-bound organelles. Examples include plants, animals, fungi, and protists.

The thin, flexible outer layer of a cell that controls what enters and exits the cell.

Small structures in the cell that make proteins by following instructions from the cell's DNA.