Using the experimental results, describe the pathway that secretary proteins take from their synthesis to their release from 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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Using the experimental results, describe the pathway that secretary proteins take from their synthesis to their release from the cell.

Nucleus
Golgi
Time
Secretory
Vesicles
5 min
ER
15 min
30 min
Figure 1. Radioactively labeled polypeptides
In an experiment investigating the mechanism of protein secretion, researchers tracked the movement of radioactively labeled polypeptides in pancreatic cells. At various times after the labeling, samples of the cells were
observed using an electron microscope to determine the location of the radioactively labeled polypeptides. Figure 1 summarizes the results at 5 minutes, 15 minutes, and 30 minutes. The dark dots in the figure represent
the radioactively labeled polypeptides.
Transcribed Image Text:Nucleus Golgi Time Secretory Vesicles 5 min ER 15 min 30 min Figure 1. Radioactively labeled polypeptides In an experiment investigating the mechanism of protein secretion, researchers tracked the movement of radioactively labeled polypeptides in pancreatic cells. At various times after the labeling, samples of the cells were observed using an electron microscope to determine the location of the radioactively labeled polypeptides. Figure 1 summarizes the results at 5 minutes, 15 minutes, and 30 minutes. The dark dots in the figure represent the radioactively labeled polypeptides.
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