What is the primary role of the Rough Endoplasmic Reticulum (RER)?
Understand the Problem
The question is asking for the primary role of the Rough Endoplasmic Reticulum (RER) in a biological context, specifically which of the given options accurately describes its function.
Answer
Protein synthesis, processing, and dispatch.
The primary role of the rough endoplasmic reticulum (RER) is protein synthesis, processing, and dispatch, particularly for proteins that need to be transported out of the cell.
Answer for screen readers
The primary role of the rough endoplasmic reticulum (RER) is protein synthesis, processing, and dispatch, particularly for proteins that need to be transported out of the cell.
More Information
The RER is essential in cells dedicated to producing enzymes, hormones, and other substances. It's termed 'rough' due to ribosomes on its surface involved in translating mRNA into amino acid chains.
Tips
A common mistake is confusing the functions of rough and smooth ER. Remember that the RER is associated with ribosomes and protein synthesis, while the SER is involved in lipid production and detoxification.
Sources
- Rough endoplasmic reticulum (RER) | Definition, Structure, & Function - britannica.com
- Endoplasmic Reticulum (Rough) - genome.gov
- Rough Endoplasmic Reticulum - an overview | ScienceDirect Topics - sciencedirect.com
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