QQuestionBiology
QuestionBiology
List the sequence of events that may occur within the endomembrane system in the correct order as they would occur with the first event placed at the top.
1. Rough ER synthesizes protein
2. Protein packaged into transport vesicle
3. Golgi apparatus modifies, sorts, and packages protein into secretory vesicle
4. Secretory vesicle fuses with the plasma membrane
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Answer
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Step 1:I'll solve this problem by listing the sequence of events in the endomembrane system in the correct order.
Step 2:: Identify the First Event
The first event in the endomembrane system is protein synthesis by the rough endoplasmic reticulum (Rough ER). This is where proteins are initially created with the help of ribosomes attached to the ER membrane.
Step 3:: Identify the Second Event
After protein synthesis, the protein is packaged into a transport vesicle from the rough ER. This vesicle will move the newly synthesized protein to the next location in the endomembrane system.
Step 4:: Identify the Third Event
The transport vesicle moves to the Golgi apparatus, where the protein undergoes modifications, sorting, and packaging into a secretory vesicle. The Golgi apparatus acts as a processing and packaging center for cellular proteins.
Step 5:: Identify the Final Event
The last step is when the secretory vesicle fuses with the plasma membrane, releasing its contents to the outside of the cell or incorporating the protein into the cell membrane.
Final Answer
The correct sequence of events in the endomembrane system is: 1. Rough ER synthesizes protein 2. Protein packaged into transport vesicle 3. Golgi apparatus modifies, sorts, and packages protein into secretory vesicle 4. Secretory vesicle fuses with the plasma membrane
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