A phospholipid can be used to do all the following except O Increase the fluidity with the presence of unsaturated fatty acid tails. create a bi-layer membrane using amphipathic properties. form a micelle using a single layer and a hydrophobic core. connect to a glycerol molecule to create a triacylglyceride.

A phospholipid can be used to do all the following except O Increase the fluidity with the presence of unsaturated fatty acid tails. create a bi-layer membrane using amphipathic properties. form a micelle using a single layer and a hydrophobic core. connect to a glycerol molecule to create a triacylglyceride.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter3: Cell Structure

Section: Chapter Questions

Problem 8SQ: In a lipid bilayer, the of all the lipid molecules are sandwiched between all of the __________. a....

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Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary and secondary (b) primary and tertiary (c) secondary, tertiary, and quaternary (d) primary, secondary, and tertiary (e) primary, secondary, tertiary, and quaternary
Which of the following is a true statement? Sphingolipids contain 2 hydrophobic, acyl chains Phospholipids contain 3 hydrophobic acyl chains Sphingolipids are completely no-polar, hydrophobic molecules The different types of phospholipids do not have different physical properties when in the membrane
Which of the following describes how regions of phospholipids are arranged in the cell membrane? Hydrophobic fatty acid regions are positioned toward polar environments. Hydrophilic phosphate regions are positioned toward nonpolar environments. Hydrophilic phosphate regions face each other within the interior of the cell membrane. Hydrophobic fatty acid regions face each other within the interior of the cell membrane.
Which of the following membrane lipids have a direct glycosidic linkage between the head-group sugar and the backbone glycerol?a) Glycolipidsb) Phospholipidsc) Sphingolipidsd) Ether lipids
Which of the following lipid types is the least polar? A. Sphingolipids B. Gangliosides C. Glycerophospholipids D. Triacylglycerols
Which portion of a phospholipid is hydrophilic? saturated fatty acid tails none- a phospholipid is a lipid so the entire molecule is hydrophobic glycerol/phosphate heads unsaturated fatty acid tails
Which of the following is used in the reaction called saponification? A. Strong Base B. Hydrogen C. Strong acid D. Nickel Fatty acids contain in __ - hydrogen bonds, making them __. The Phosphate "head" in a phospholipid is __. The entire phospholipid molecule, therefore, is __. A. Carbon; hydrophobic; hydrophilic; amphiphilic B. Hydrogen; hydrophilic; hydrophilic; amphiphilic C. Carbon; hydrophilic; hydrophilic; hydrophobic D. Hydrogen; hydrophobic; hydrophobic; hydrophobic
Which of the following descriptions is the best for a phospholipid? a) a polar lipid molecule that fully interacts with water. b)A polar lipid molecule that is made nonpolar by the addition of a phosphate group. c) A lipid molecule that consists of two fatty acids, glycerol and a phosphate group, and is amphitheatric. d) A nonpolar lipid molecule that is made fully polar by the addition of a phosphate group so it can interact with water. e) a polar lipid molecule that fully repels water through all its parts.
Which of the following group of membrane lipids predominate in plant cells?a) Galactolipidsb) Sphingolipidsc) Glycerophospholipidsd) Archaebacterial ether lipids
. Cholesterol is an integral part of plasma membranes. Based on its structure, where is it found in the membrane? On the extracellular surface embedded with the phospholipid heads within the tail bilayer attached to the intracellular surface
Which of the following serve as signaling molecules located along the membrane? Glycolipids Sphingolipids Phospholipids Sterol lipids
When phospholipids are carefully mixed with water they are observed to exhibit which of the following properties? a) Spontaneous organization into stable structures within the water environment, b) Orientation of the Phosphate parts of the molecule away from fatty acid (non-polar) environment of a bilayer, c) Hydrophilic orientation of the ionic section of the phospholipid molecules to the polar portions of the water molecules, d) All are true, e) None are true.