Multiple Choice
In the context of Golgi processing and transport, which organelle sorts, modifies, and packages proteins for secretion or delivery to other organelles?
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13. Intracellular Protein Transport
Golgi Processing and Transport
Multiple Choice
In eukaryotic cells, which organelle primarily modifies, sorts, and packages proteins into vesicles for secretion or delivery to other organelles?
A
Rough endoplasmic reticulum
B
Golgi apparatus
C
Mitochondrion
D
Nucleus
Verified step by step guidance1
Identify the function described in the problem: modifying, sorting, and packaging proteins into vesicles for secretion or delivery to other organelles.
Recall the roles of the listed organelles: the rough endoplasmic reticulum (RER) is involved in protein synthesis and initial folding, mitochondrion is the powerhouse producing ATP, and nucleus contains genetic material and controls cell activities.
Understand that after proteins are synthesized in the rough ER, they are transported to another organelle for further processing and packaging.
Recognize that the Golgi apparatus is the organelle responsible for modifying proteins (such as adding carbohydrate groups), sorting them, and packaging them into vesicles.
Conclude that the Golgi apparatus is the correct organelle that performs the functions described in the problem.
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