a. Rank the three cell membranes in terms of decreasing fluidity. Provide an explanation of your ranking based on their FRAP curves and the most probable appearance and composition of the three membranes. b. Draw the expected image of the surface of the three membranes before photobleaching and after fluorescence recovery as viewed under a fluorescence microscope.

Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter8: Forms Of Drugs And How They Act
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Answer question a and b, especially b. Draw what is needed in the question. Use the 2nd image as reference
Three cell membrane samples: M, C, and S were fluorescently labeled and were subsequently
photobleached. The recovery of fluorescence was monitored and gave the following profile:
100
M
S
time
a. Rank the three cell membranes in terms of decreasing fluidity. Provide an explanation of
your ranking based on their FRAP curves and the most probable appearance and composition
of the three membranes.
b. Draw the expected image of the surface of the three membranes before photobleaching
and after fluorescence recovery as viewed under a fluorescence microscope.
% fluorescence
Transcribed Image Text:Three cell membrane samples: M, C, and S were fluorescently labeled and were subsequently photobleached. The recovery of fluorescence was monitored and gave the following profile: 100 M S time a. Rank the three cell membranes in terms of decreasing fluidity. Provide an explanation of your ranking based on their FRAP curves and the most probable appearance and composition of the three membranes. b. Draw the expected image of the surface of the three membranes before photobleaching and after fluorescence recovery as viewed under a fluorescence microscope. % fluorescence
FRAP (Fluorescence Recovery After Photobleaching)
(A) 1
Immobile fraction
Photoech
2
3
Recovery
half time
Time
Bleach
6
Fluorescence intensity in
bleach ROI
Transcribed Image Text:FRAP (Fluorescence Recovery After Photobleaching) (A) 1 Immobile fraction Photoech 2 3 Recovery half time Time Bleach 6 Fluorescence intensity in bleach ROI
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