Question

What happens to the membrane of a vesicle after exocytosis? a. It leaves the cell. b. It is disassembled by the cell. c. It fuses with and becomes part of the plasma membrane. d. It is used again in another exocytosis event.

Name: Problem 15, Chapter 5: Biology
Uploaded: 2020-06-02T21:14:42-08:00
Duration: 41 s
Channel: Aditya Sood
Description: What happens to the membrane of a vesicle after exocytosis? a. It leaves the cell. b. It is disassembled by the cell. c. It fuses with and becomes part of the plasma membrane. d. It is used again in another exocytosis event.

   What happens to the membrane of a vesicle after exocytosis?
a. It leaves the cell.
b. It is disassembled by the cell.
c. It fuses with and becomes part of the plasma membrane.
d. It is used again in another exocytosis event.

Biology

Mary Ann Clark, Jung… 2nd Edition

Chapter 5, Problem 15

Instant Answer

Solved by Expert Aditya Sood

06/02/2020

Step 1

Exocytosis is the process where cells transport molecules (for example, neurotransmitters) out of the cell by enclosing them in a vesicle. Show more…

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What happens to the membrane of a vesicle after exocytosis? a. It leaves the cell. b. It is disassembled by the cell. c. It fuses with and becomes part of the plasma membrane. d. It is used again in another exocytosis event.

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Key Concepts

Membrane Recycling

Membrane recycling refers to the process by which cells continuously reuse membrane components. After fusion events like exocytosis, the merged vesicle membrane becomes part of the plasma membrane and can later be retrieved to reform vesicles, maintaining membrane homeostasis.

Exocytosis

Exocytosis is the cellular process in which vesicles transport substances to the cell membrane, where they fuse and release their contents into the extracellular space. This mechanism is essential for functions such as neurotransmitter release, hormone secretion, and the export of waste products.

Vesicle Membrane Integration

In exocytosis, the membrane of the vesicle doesn't disappear but fuses with the plasma membrane of the cell. This integration adds the vesicle membrane to the cell’s plasma membrane, altering its composition and ensuring efficient recycling of membrane components.

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