Choose the correct order of transport of protein in a secretory pathway
A. Protein synthesized in the cytoplasm->SER lumen->RER lumen->cis golgi->median golgi->Jtrans golgi->vesicicles->fusion of vesicles with plasma membrane->exocytosis
B. Protein synthesized in the cytoplasm -> RER lumen-> cis golgi->median golgi->trans golgi->vesicicles->fusion of vesicles with plasma membrane->exocytosis
C. Protein synthesized in the cytoplasm -> vesicicles->SER-> RER lumen-> cis golgi->median golgi->trans golgi-> vesicicles ->fusion of vesicles with plasma membrane->exocytosis
D. Protein synthesized in the cytoplasm -> RER lumen-> trans golgi->median golgi->cis golgi->vesicicles->fusion of vesicles with plasma membrane->exocytosis
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The resting membrane potential in animal cells depends largely on _______channel
A. Na+
B. Ca2+
C. K+
D. Cl-
Ras is a _________
A. Integral membrane protein
B. lipid-anchored membrane protein
C. Peripheral membrane protein
D. Extracellular protein
To what site does Sar1 bind after it binds to GTP?
A. The luminal leaflet of the ER membrane
B. The cytosolic leaflet of the Golgi membrane
C. The luminal leaflet of the Golgi membrane
D. The cytosolic leaflet of the ER membrane
Which of the following is NOT the morphological characteristics of senescent cells?
A. increased cell size
B. ruptured plasma membrane
C. flat cytoplasm
D. enlarged cytoplasm