alleryStart learning →Vesicles arriving from the endoplasmic reticulum fuse with which face of the Golgi?
AThe medial face
BThe trans face
CThe lumen face
DThe cis face
Answer & Solution
Correct answer: D. The cis face
1. The Golgi has a receiving side and an opposite side.
2. The receiving side is the cis face and the opposite side is the trans face.
3. Transport vesicles formed from the ER travel to the cis face and fuse with it there.
4. They empty their contents into the lumen of the Golgi apparatus.
5. Vesicles bud out from the trans face, so that face is the exit rather than the entrance.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.4 The Endomembrane System and Proteins_
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