What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell? ER → Golgi → nucleus ER → lysosomes → vesicles that fuse with plasma membrane Golgi → ER → lysosome ER → Golgi → vesicles that fuse with plasma membrane

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Question:**

What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell?

- ER → Golgi → nucleus
- ER → lysosomes → vesicles that fuse with plasma membrane
- Golgi → ER → lysosome
- ER → Golgi → vesicles that fuse with plasma membrane

**Explanation:**

This multiple-choice question relates to the process of protein secretion within a cell. The correct pathway involves the initial synthesis of proteins in the Endoplasmic Reticulum (ER). From there, proteins are transported to the Golgi apparatus for further processing and modification. Finally, the proteins are packaged into vesicles that transport and fuse with the plasma membrane, releasing the proteins outside the cell. Therefore, the correct answer is:

- **ER → Golgi → vesicles that fuse with plasma membrane**
Transcribed Image Text:**Question:** What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell? - ER → Golgi → nucleus - ER → lysosomes → vesicles that fuse with plasma membrane - Golgi → ER → lysosome - ER → Golgi → vesicles that fuse with plasma membrane **Explanation:** This multiple-choice question relates to the process of protein secretion within a cell. The correct pathway involves the initial synthesis of proteins in the Endoplasmic Reticulum (ER). From there, proteins are transported to the Golgi apparatus for further processing and modification. Finally, the proteins are packaged into vesicles that transport and fuse with the plasma membrane, releasing the proteins outside the cell. Therefore, the correct answer is: - **ER → Golgi → vesicles that fuse with plasma membrane**
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