1 SEM CARDLESS ACC W/RAVEN TEXT
1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5, Problem 1S

figure 5.5 describes a classic experiment demonstrating the ability of proteins to move within the plane of the cell’s plasma membrane. The following table outlines three different experiments using the fusion of labeled mouse and human cells.

Experiment Conditions Temperature (°C) Result
1 Fuse human and mouse cells 37 Intermixed membrane proteins
2 Fuse human and mouse cells in presence of ATP inhibitors 37 Intermixed membrane proteins
3 Fuse human and mouse cells 4 No intermixing of membrane proteins

What conclusions can you reach about the movement of these proteins?

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