Cholesterol is an integral part of plasma membranes. Based on its structure andcharacteristics, where is it found in the membrane?O on the extracellular surfaceOwithin the tail portion of the bilayerO attached to the intracellular surfaceO embedded with the phospholipid headsPrevious PagePage 3 of 7

Answer. A correct answer is an option (d) embedded with the phospholipid heads because cholesterol’s…

Cholesterol is an integral part of plasma membranes. Based on its structure and characteristics, where is it found in the membrane? O on the extracellular surface within the tail portion of the bilayer attached to the intracellular surface O embedded with the phospholipid heads Page 3 of 7 Next Page Previous Page

Cholesterol is an integral part of plasma membranes. Based on its structure and characteristics, where is it found in the membrane? O on the extracellular surface within the tail portion of the bilayer attached to the intracellular surface O embedded with the phospholipid heads Page 3 of 7 Next Page Previous Page

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;...

See similar textbooks

Similar questions

Cholesterol is an integral part of plasma membranes. Based on its structure, where is it found in the membrane? O within the tail bilayer O on the extracellular surface O embedded with the phospholipid heads O attached to the intracellular surface
in your own words, describe what would haooeb to the phospholipids f the plasma membrane in animals cells if cholesterol was not rpesent and the cell was expoed to extremely low temperatures?
Where are phospholipids most likely found in a prokaryotic cell? O the plasma membrane O ribosomes O flagella O the plasma membrane and organelles O organelles
Why do the hydrocarbon tails of membrane phospholipids provide a barrier between the inside and outside ofthe cell?
At temperatures that are much lower than a lipid bilayer's melting point, adding cholesterol will most likely the fluidity of the bilayer. O increase O maintain O decrease
Although lipids are largely responsible for providing and maintaining the structure of the Ven membrane, most of the membrane's functions are due to the proteins that are present in it. Membrane proteins can be classified as integral or peripheral, depending on how they are Posiioned in the phospholipid bilaver. Based on figure 12, differentiate integral and peripheral proteins. Write your answer on the table below. Table 18: Difference Between Integral and Peripheral Membrane Proteins Integral Proteins Peripheral Proteins
Cellular memberane are mainly constructed of a phospholipid bilayer with emnedden cholesterol and proteins. Tues or False
phospholipid bilayer O protein 10 O cholesterol n protein cholesterol Using the diagram above, which component of this membrane contains a hydrophobic region and acts as the primary barrier to most foreign substances" carbohydrate chain carbohydrate chain Ophospholipid bilayer
Which of the following components of the cell membrane is found exclusively in the inner layer of the lipid bilayer? Ocholesterol O glycolipids O charged phospholipids O channels O receptors
What major type of molecule contributes to the formation of the cell membrane and what biochemical properties of this molecule promotes the formation of the membrane? What effect allows this type of molecule to come together to form a bilayer and explain how the effect works? A▾ B I I e 2 2
The approximate thickness of the phospholipid bilayer is 10A 1 micro M 50A 150A 1nM
b) Cellular membranes are generally found in environments that contain lots of water. Draw a diagram of what the phospholipid bilayer of a plasma membrane would look like if it were placed in a hydrophobic environment. (**Note that you only have to draw the phospholipid bilayer, you don't have to draw the other major components again as you did in part a) poned In salt wer (ho byorout obods f.Cplan why sctive tnsport is requind in tive tre nolaib beisio c) What part or parts of a cellular membrane play(s) a role in determining the fluidity of the membrane? pslomlo below