Learn what distinguishes rough ER from smooth ER. Provides an illustration and links relevant to cell biology.

Find out what the endoplasmic reticulum does within the cell. Includes a search function and links to descriptions of other cell structures.

Find out the differences between rough and smooth ER and view fluorescently stained images of the cellular structure.

Read about and take a quiz on these membranous structures. Includes images and links to other references.

Learn the structure and function of rough ER. Includes links to details about other cell components and a list of questions.

Access a description of the various functions of smooth endoplasmic reticulum and an electron micrograph of the two types of ER.