Organelles are tiny structures that perform very specific functions within cells. The term is a reference to organs, likening the way these structures operate in cells to the way organs function in the body. A number of different organelles can be found inside various types of plant, animal, and bacteria cells. Each has its own important task, such as producing energy or manufacturing proteins.
There are many sites you can use online to help you learn organelles. I have included several basic sites that will help you review this information.
QUIZLET. In addition to the videos below, there is a quizlet site you can use to study various organelles.