Multiple Choice
In eukaryotic cells, which organelle modifies, sorts, and packages newly synthesized proteins into vesicles for transport to their destinations?
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13. Intracellular Protein Transport
Golgi Processing and Transport
Multiple Choice
In eukaryotic cells, what is a primary function of the Golgi apparatus in protein and lipid trafficking?
A
It is the primary location of protein synthesis by ribosomes translating mRNA into polypeptides.
B
It is the site of DNA replication and transcription for nuclear genes.
C
It synthesizes most cellular ATP via oxidative phosphorylation on its inner membrane.
D
It modifies (e.g., glycosylates), sorts, and packages proteins and lipids into vesicles for delivery to their destinations such as the plasma membrane or lysosomes.
Verified step by step guidance1
Identify the role of the Golgi apparatus in the cell by recalling its main functions related to protein and lipid processing.
Understand that protein synthesis occurs primarily in the rough endoplasmic reticulum (ER) where ribosomes translate mRNA into polypeptides, not in the Golgi apparatus.
Recognize that DNA replication and transcription happen in the nucleus, so the Golgi apparatus is not involved in these processes.
Recall that ATP synthesis via oxidative phosphorylation takes place in mitochondria, not in the Golgi apparatus.
Conclude that the Golgi apparatus modifies proteins and lipids (such as glycosylation), sorts them, and packages them into vesicles for transport to their final destinations like the plasma membrane or lysosomes.
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