Multiple Choice
Which of the following is an example of a membrane-enclosed organelle in a eukaryotic cell?
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13. Intracellular Protein Transport
Membrane Enclosed Organelles
Multiple Choice
Which membrane-enclosed organelle is primarily responsible for detoxification of drugs/poisons and the synthesis of lipids (including steroid hormones)?
A
Lysosome
B
Rough endoplasmic reticulum (RER)
C
Golgi apparatus
D
Smooth endoplasmic reticulum (SER)
Verified step by step guidance1
Step 1: Understand the functions of each organelle listed in the problem to identify which one matches the described roles.
Step 2: Recall that lysosomes are primarily involved in digestion and breakdown of macromolecules, not detoxification or lipid synthesis.
Step 3: Recognize that the rough endoplasmic reticulum (RER) is studded with ribosomes and mainly responsible for protein synthesis, especially membrane-bound and secretory proteins.
Step 4: Know that the Golgi apparatus modifies, sorts, and packages proteins and lipids but is not the primary site for detoxification or lipid synthesis.
Step 5: Identify that the smooth endoplasmic reticulum (SER) lacks ribosomes and is specialized in the synthesis of lipids (including steroid hormones) and detoxification of drugs and poisons, making it the correct organelle for the functions described.
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