Which statements are true? Explain why or why not.1 In all events involving fusion of a vesicle to a targetmembrane, the cytosolic leaflets of the vesicle and targetbilayers always fuse together, as do the leaflets that are notin contact with the cytosol.2 There is one strict requirement for the exit of a pro-tein from the ER: it must be correctly folded.3 All the glycoproteins and glycolipids in intracel-lular membranes have oligosaccharide chains facing thelumenal side, and all those in the plasma membrane haveoligosaccharide chains facing the outside of the cell.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Which statements are true? Explain why or why not.
1 In all events involving fusion of a vesicle to a target
membrane, the cytosolic leaflets of the vesicle and target
bilayers always fuse together, as do the leaflets that are not
in contact with the cytosol.
2 There is one strict requirement for the exit of a pro-
tein from the ER: it must be correctly folded.
3 All the glycoproteins and glycolipids in intracel-
lular membranes have oligosaccharide chains facing the
lumenal side, and all those in the plasma membrane have
oligosaccharide chains facing the outside of the cell.

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