Which Golgi features allow transport through the Golgi apparatus?

Question

BlackTom AI · Accepted Answer

Question restatement: Which Golgi features allow transport through the Golgi apparatus?

Option 1: Lipids that are synthesised in the Golgi cisternae stimulate transport.
- This is not consistent with how Golgi transport is understood. Although lipids can be modified and contribute to membrane composition, transport through the Golgi is not described as being triggered by lipid synthesis within cisternae. The primary driver of Golgi trafficking is vesicular transport between compartments, not lipid synthesis acting as a transport trigger.

Option 2: Proteins are biochemically modified in the Golgi to trigger transport.
- Biochemical modifications of proteins (like glycosylation, sulfation, etc.) occur in the Golgi, but these modifications do not themselves 'trigger' transport through the Golgi. They are processing steps that occur as cargo moves through the stack, while vesicle formation and budding between cisternae are the mechanisms that enable transport.

Option 3: Ribosomes stimulate transport of proteins through the Golgi membrane.
- Ribosomes are the protein-synthesizing units associated with rough endoplasmic reticulum, not with actively stimulating transport through the Golgi. Translation occurs outside the Golgi, and ribosomes do not drive intragolgi or intercisternal transport.

Option 4: The Golgi has a cis and trans face to receive and export vessicles.
- This statement accurately reflects the canonical model of Golgi transport. The Golgi stack has a cis face (receiving side, typically oriented toward the ER) and a trans face (shipping side). Cargo arrives in vesicles from the ER at the cis face, progresses through the cisternae where processing occurs, and exits in vesicles from the trans face toward the plasma membrane or other destinations. Vesicle-mediated transport between cisternae and between the Golgi and other compartments is the established mechanism that enables movement of cargo through the Golgi stack.

In summary, the first three options describe processes associated with Golgi function (lipid processing, protein modifications, or unrelated ribosome activity) but do not capture the fundamental mechanism of transit through the Golgi. Option 4 accurately describes the structural and functional organization that enables transport via vesicles moving from cis to trans faces, making it the correct statement about how transport through the Golgi occurs.

Which Golgi features allow transport through the Golgi apparatus?单项选择题

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Which statement about the Golgi apparatus is INCORRECT

Which statement about the Golgi apparatus is INCORRECT

The golgi complex plays no role in vesicular transport within cells.

The golgi complex plays no role in vesicular transport within cells.

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