Chapter 7. The Faces of Cellular Membranes Are Conserved during Membrane Budding

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Animation Activity 7-6: The Faces of Cellular Membranes Are Conserved during Membrane Budding

During endocytosis, vesicles:

fuse with the plasma membrane.

are formed by budding off from the plasma membrane.

integrate within the bilayer of the plasma membrane.

attach extracellularly to the membrane.

form a second bilayer within the plasma membrane.

Correct.

Incorrect.

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During exocytosis of a vesicle:

the vesicle fuses with the plasma membrane.

the contents of the lumen are released from the cell.

the vesicle travels from within the cell to the plasma membrane.

the membrane facing the lumen becomes the exoplasmic face of the plasma membrane.

All of the above

Correct.

Incorrect.

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Upon endocytosis, the exoplasmic segment of a membrane protein would be oriented toward the:

cytosolic side of the vesicle.

lumen of the vesicle.

cytosolic side of the plasma membrane.

exoplasmic side of the plasma membrane.

outside of the cell.

Correct.

Incorrect.

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