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Multiple Choice
Which of the following categories best describes the function of the rough endoplasmic reticulum?
A
Breakdown of complex foods
B
Energy processing
C
Structural support of cells
D
Information storage
E
Manufacturing
Verified step by step guidance
1
Understand the structure of the rough endoplasmic reticulum (RER): It is an organelle found in eukaryotic cells, characterized by the presence of ribosomes on its surface, giving it a 'rough' appearance.
Recognize the primary function of the RER: The ribosomes attached to the RER are sites for protein synthesis, where amino acids are assembled into proteins based on the instructions from messenger RNA (mRNA).
Identify the role of the RER in protein processing: After synthesis, proteins enter the lumen of the RER, where they may undergo folding and modifications, such as glycosylation, to become functional.
Consider the broader category of cellular functions: The RER is involved in the synthesis and processing of proteins, which is a key aspect of cellular manufacturing processes.
Conclude that the function of the RER aligns with the category of 'Manufacturing,' as it is primarily involved in the production and processing of proteins within the cell.