Using the space below, draw a model (picture, representation) of a cross-sectionof a cell membrane, including and labeling the following elements:a. Phospholipid bilayer, noting hydrophilic heads and hydrophobic tailsb. Cholesterolc. Integral membrane proteins (include 1 glycoprotein and label thecarbohydrate)d. Peripheral membrane proteinsDescribe how integral membrane proteins and peripheral membrane proteins aredifferent in your own words, and include in your description what type of aminoacids you might find on these proteins.

Introduction: The cell membrane, also known as the plasma membrane, is a thin, semi-permeable…

Answered: Using the space below, draw of a cell…

Using the space below, draw of a cell membrane, including a. Phospholipid bilayer, b. Cholesterol c. Integral membrane pr carbohydrate) d. Peripheral membrane

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter5: Membranes And Transport

Section: Chapter Questions

Problem 1TYK: In the fluid mosaic model: plasma membrane proteins orient their hydrophilic sides toward the...

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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

Using the space below, draw a model (picture, representation) of a cross-section
of a cell membrane, including and labeling the following elements:
a. Phospholipid bilayer, noting hydrophilic heads and hydrophobic tails
b. Cholesterol
c. Integral membrane proteins (include 1 glycoprotein and label the
carbohydrate)
d. Peripheral membrane proteins
Describe how integral membrane proteins and peripheral membrane proteins are
different in your own words, and include in your description what type of amino
acids you might find on these proteins.

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The tails of the phospholipids of the plasma membrane are composed of _____ and are _____? a. phosphate groups; hydrophobic b. fatty acid groups; hydrophilic c. phosphate groups; hydrophilic d. fatty acid groups; hydrophobic
In the fluid mosaic model: plasma membrane proteins orient their hydrophilic sides toward the internal bilayer. phospholipids often flip-flop between the inner and outer layers. the mosaic refers to proteins attached to the underlying cytoskeleton. the fluid refers to the phospholipid bilayer. the mosaic refers to the symmetry of the internal membrane proteins and sterols.
Which of the following best describes an integral membrane protein? A.A protein that has an extracellular domain, a membrane-spanning domain that spans the lipid bilayer of the plasma membrane, and an intracellular domain. B.A protein that peripherally associates with the membrane via ionic interactions another protein embedded in the membrane. C.A protein that is soluble in the cytoplasm. D.A protein that peripherally associates with the membrane via ionic interactions between polar charged amino acids and the polar head groups of the phospholipids in the membrane.
The plasma membrane is said to be a fluid-mosaic model because it contains a. waxes suspended within a mosaic of phospholipids.b. a mosaic of proteins suspended within a phospholipid bilayer.c. a polysaccharide mosaic suspended within a protein bilayer.d. a mosaic of phospholipids suspended within a protein bilayer.
According to the fluid-mosaic model of the plasma membrane, a.protein and phospholipids form a regular, repeating structure. b.the membrane is a rigid structure. c.phospholipids form a double layer, with the polar parts facing each other. d.proteins are free to move within a double layer of phospholipids.
Describe the prevailing model of cell membrane structure and how the macromolecules that form them exemplify how structure determines function.
Which of these structures would you expect to find as part of the transmembrane portion of an integral membrane protein? Structure B would be part of the transmembrane domain of an integral membrane protein. Structure C would be part of the transmembrane domain of an integral membrane protein. Structure A would be part of the transmembrane domain of an integral membrane protein.
which one of the following diffuses more readily through the lipid bilayer of a plasma membrane a. polar molecules b. non polar molecules c. ionized molecules d. water
Describe the structure of the cell membrane. Be sure to identify the following terms. Plasma membrane, phospholipid bilayer, integral membrane proteins, peripheral membrane proteins, glycoproteins, hydrophobic/hydrophilic.
Describe two different ways that integral membrane proteins associatewith a membrane. How do peripheral membrane proteins associate witha membrane?
According to the fluid mosaic model of membrane structure,proteins of the membrane are mostly(A) spread in a continuous layer over the inner and outersurfaces of the membrane.(B) confined to the hydrophobic interior of the membrane.(C) embedded in a lipid bilayer.(D) randomly oriented in the membrane, with no fixed insideoutside polarity.
Describe the fluid-mosaic model of membrane structure.