Indicate whether each of the following occurs on the cytosolic side of the ER membrane (C), on the lumenal side of the ER membrane (L), or in the Golgi apparatus (G). Your answer would be a five-letter string composed of letters C, L, and G only, e.g. GGGLC.
( ) Assembly of GlcNAc oligosaccharides on dolichol phosphate
( ) Synthesis of phosphatidylcholine
( ) Synthesis of sphingomyelin
( ) Ubiquitylation of misfolded ER protein
( ) Synthesis of phosphatidic acid

Question

Indicate whether each of the following occurs on the cytosolic side of the ER membrane (C), on the lumenal side of the ER membrane (L), or in the Golgi apparatus (G). Your answer would be a five-letter string composed of letters C, L, and G only, e.g. GGGLC.
( )	Assembly of GlcNAc oligosaccharides on dolichol phosphate
( )	Synthesis of phosphatidylcholine
( )	Synthesis of sphingomyelin
( )	Ubiquitylation of misfolded ER protein
( )	Synthesis of phosphatidic acid

Quizplus · Accepted Answer

Synthesis of many phosphoglycerides occurs on the cytoplasmic leaflet of the ER membrane. Sphingomyelin, on the other hand, is made in the Golgi apparatus from ER-made precursors.

Indicate Whether Each of the Following Occurs on the Cytosolic