BRAINCAKERough Endoplasmic Reticulum
The endoplasmic reticulum is a network of membranes surrounding flattened membranous sacs called cisternae.
The membrane of the rough endoplasmic reticulum is in the form of large double-membrane sheets that are located near, and continuous with, the outer layer of the nuclear envelope and has ribosomes attached.
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Key terms in this lesson
- Golgi apparatus
- A stack of membrane-bound sacs that modifies, packages and despatches proteins and lipids in vesicles.
- vesicle
- A small, fluid-filled sac bound by a single membrane, used for storage and transport within the cell.
More in Cell Structure
- Centrioles
- Cilia and Flagella
- Smooth Endoplasmic Reticulum
- Ribosomes
- Golgi Apparatus
- Plant Cells
- Cellulose Cell Wall
- Vacuole
All 26 lessons in Cell Structure · All OCR AS-level Biology topics