Multiple Choice
Which organelle is responsible for synthesizing proteins in eukaryotic cells?
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5. Cell Components
Introduction to Eukaryotic Organelles
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Which of the following statements about the endoplasmic reticulum (ER) is correct?
A
The smooth ER is responsible for protein synthesis.
B
The rough ER is involved in lipid synthesis.
C
The rough ER has ribosomes attached to its surface.
D
The smooth ER is primarily involved in DNA replication.
Verified step by step guidance1
Understand the structure and function of the endoplasmic reticulum (ER). The ER is a network of membranes within the cell, divided into two types: rough ER and smooth ER.
Learn about the rough ER. It is characterized by the presence of ribosomes on its surface, which are essential for protein synthesis. The ribosomes give the rough ER its 'rough' appearance.
Explore the function of the smooth ER. Unlike the rough ER, the smooth ER lacks ribosomes and is involved in lipid synthesis and metabolism, detoxification processes, and calcium ion storage.
Clarify the incorrect statements: The smooth ER is not responsible for protein synthesis; this is the role of the rough ER. The rough ER is not involved in lipid synthesis; this is the function of the smooth ER.
Identify the correct statement: The rough ER has ribosomes attached to its surface, which is crucial for its role in protein synthesis.
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