Suggest a reason for the difference in percentage composition between the 2 cell surface membrane The table shows the proportions of proteins, lipids, and carbohydrates found insome different types of membrane.Type/location ofmembrane%proteinlipidcarbohydrateunicellular protoctistcell-surface membrane5442liver cell-surfacemembrane543610nuclearenvelope6632Golgimembrane642610mitochondrion outermembrane5445mitochondrion innermembrane78222.

difference in cell membrane of various organelles are very specific and are important for the…

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Biology

Suggest a reason for the difference in percentage composition between the 2 cell surface membrane

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter4: Cell Structure

Section: Chapter Questions

Problem 4SA: Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids;...

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

Suggest a reason for the difference in percentage composition between the 2 cell surface membrane

The table shows the proportions of proteins, lipids, and carbohydrates found in
some different types of membrane.
Type/location of
membrane
%
protein
lipid
carbohydrate
unicellular protoctist
cell-surface membrane
54
42
liver cell-surface
membrane
54
36
10
nuclear
envelope
66
32
Golgi
membrane
64
26
10
mitochondrion outer
membrane
54
45
mitochondrion inner
membrane
78
22
2.

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