Multiple Choice
In eukaryotic cells, what is the primary function of the Golgi apparatus in protein and lipid trafficking?
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13. Intracellular Protein Transport
Golgi Processing and Transport
Multiple Choice
In eukaryotic cells, what is the primary function of the Golgi apparatus in processing and transport?
A
It synthesizes DNA and regulates gene transcription in the cell nucleus.
B
It directly synthesizes proteins by translating mRNA on its surface.
C
It is the site of most ATP production through oxidative phosphorylation.
D
It modifies, sorts, and packages proteins and lipids into vesicles for secretion or delivery to other organelles.
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 the Golgi apparatus receives proteins and lipids from the endoplasmic reticulum (ER) and modifies them through processes such as glycosylation and phosphorylation.
Recognize that after modification, the Golgi apparatus sorts these molecules based on their destinations, ensuring they reach the correct location within or outside the cell.
Know that the Golgi packages the modified proteins and lipids into vesicles, which are small membrane-bound sacs used for transport.
Conclude that the primary function of the Golgi apparatus is to modify, sort, and package proteins and lipids into vesicles for secretion or delivery to other organelles, distinguishing it from other organelles like the nucleus, ribosomes, or mitochondria.
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