Multiple Choice
Which organelle primarily modifies, sorts, and packages materials into vesicles for secretion or delivery to other destinations, including export from the cell?
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13. Intracellular Protein Transport
Golgi Processing and Transport
Multiple Choice
Which organelle is primarily responsible for modifying, sorting, and packaging proteins for secretion or delivery to other cellular destinations?
A
Nucleolus
B
Mitochondrion
C
Ribosome
D
Golgi apparatus
Verified step by step guidance1
Identify the function described in the question: modifying, sorting, and packaging proteins for secretion or delivery to other parts of the cell.
Recall the roles of the listed organelles: the nucleolus is involved in ribosome production, mitochondria generate energy, and ribosomes synthesize proteins but do not modify or package them.
Understand that after proteins are synthesized by ribosomes, they are transported to an organelle that processes and prepares them for their final destinations.
Recognize that the Golgi apparatus is the organelle responsible for receiving proteins from the endoplasmic reticulum, modifying them (such as adding carbohydrate groups), sorting them, and packaging them into vesicles.
Conclude that the Golgi apparatus matches the description given in the question as the primary organelle for modifying, sorting, and packaging proteins.
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