Multiple Choice
True or False:Organelles must remain stationary within the cell
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13. Intracellular Protein Transport
Membrane Enclosed Organelles
Multiple Choice
In eukaryotic cells, which membrane-enclosed organelle is primarily responsible for the synthesis of most lipids, including phospholipids and steroid hormones?
A
Rough endoplasmic reticulum (RER)
B
Smooth endoplasmic reticulum (SER)
C
Golgi apparatus
D
Mitochondrion
Verified step by step guidance1
Understand the function of each organelle listed: The Rough Endoplasmic Reticulum (RER) is mainly involved in protein synthesis due to the presence of ribosomes on its surface.
Recall that the Golgi apparatus is primarily responsible for modifying, sorting, and packaging proteins and lipids for secretion or delivery to other organelles.
Recognize that mitochondria are the powerhouse of the cell, mainly involved in ATP production through cellular respiration, not lipid synthesis.
Identify that the Smooth Endoplasmic Reticulum (SER) lacks ribosomes and is specialized in the synthesis of lipids, including phospholipids and steroid hormones.
Conclude that the organelle primarily responsible for lipid synthesis in eukaryotic cells is the Smooth Endoplasmic Reticulum (SER).
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