Lipid bilayers comprising high concentrations of gangliosides are very rare. Which of the followingexplanation is/are true?. Please note, there could be more than one answer.Gangliosides are not used as energy storage molecules.The hydrophobic tails on gangliosides form a conical shape rather than a cylindrical shape making closepacking difficult.□ Gangliosides contain large headgroups making close packing difficultGangliosides contain trans fatty acids resulting in a bent hydrophobic tail making close packing difficultGangliosides contain several sugar molecules that can only localize to the cytosol preventing bilayer formation

A lipid bilayer is a fundamental structural component of cell membranes in living organisms. It is…

Answered: Lipid bilayers comprising high…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Describe three types of the amphipathic lipid aggregates that form in water.
Represent below 1-stearyl, 2-linoleyl phosphatidyl- choline. To which family of lipids does this molecule belong? What is its global charge? Circle its hydrophilic and hydrophobic parts. Stearic acid: C18:0; linoleic acid: C18:2 (A9,12) cis
Block diagrams representing the general structures of two types of lipids are drawn. Which terms describe each diagram correctly? Check all that apply for each part. Part 1 of 2 Hydrolyzable lipid Nonhydrolyzable lipid Steroid Phospholipid Phosphoacylglycerol Triacylglycerol None of the above Part 2 of 2 Hydrolyzable lipid Phosphoacylglycerol Triacylglycerol Nonhydrolyzable lipid Wax Phospholipid None of the above E Q
Name the types of glycosidic bonds found in this olygomer, from left to right (from 1 to 3) CH 20H CH 2OH CH 2OH но OH OH OH OH OH OH O alpha1-1, alpha1-4, n O alpha1-4, alpha1-4, n O alpha1-4, beta1-2 O alpha1-4, beta1-4 O beta1-4, alpha 1-4 « Previous Next Not saved Submit Quiz
X in glycerolipid can be which molecules?
Feature Ceulose Collagen Fibrous Monomers joined by condensation reactions Monomers identical Branching a Describe the different berween hydrophobic and hyirophilic using phospholipid moleces as an example
Although we tend to think of the cell membrane as a smooth covering for a cell, the membrane can undergo dramatic shape changes as the cell contents (the cytosol) oozes around underneath the membrane. As a result, the cell membrane can curve abruptly to allow a projection or an indentation in the cell surface (see photo). Cells facilitate the curving of the membrane by swapping out the acyl chains of membrane phospholipids. Which would have a greater effect on the ability of the membrane to curve: replacing saturated acyl chains with unsaturated acyl chains or replacing unsaturated acyl chains with saturated acyl chains? (. 6.
H "H H H HO Choose all of the following are true of the given structure? (Choose all of the correct answers)
The figure below illustrates the molecular structures of two fatty acids. A B H₂C The structural formula of erucic acid and behenic acid с H₂C D erucic acid behenic acid Which of the following best explains why erucic acid is liquid at room temperature but behenic acid is solid at room temperature? O OH The presence of a double carbon to carbon bond in erucic acid prevents the molecule from packing closely together. The lack of any double carbon-carbon bonds in behenic acid causes the molecule to be come polar and therefore packed more tightly. The larger number of carbon atoms in erucic acid prevents the molecule from packing tightly together. OH The smaller number of carbon atoms in behenic acid creates stronger covalent bonds between the carbon atoms allowing for them to pack more tightly together.
Of the following cell membrane lipids, which one prefers to reside in the inner leaflet (or inner half) of the membrane bilayer, AND has an overall neutral charge at physiological pH (7.4)? a) PE (phosphatidylethanolamine) is inner-leaflet with an overall neutral charge at pH 7.4 b) SM (sphinogomyelin) is inner-leaflet with an overall neutral charge at pH 7.4 c) PS (phosephatidylserine) is inner-leaflet with an overall neutral charge at pH 7.4 d) PC (phosphatidylcholine) is inner-leaflet with an overall neutral charge at pH 7.4
Feature Ceulose Collagen Fibrous Monomers joined by condensation reactions Monomers identical Branching Describe the differeni between hydrophobic and hyrophilic using phospholipid molecues as an example

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