Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
14th Edition
ISBN: 9781305775480
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 5, Problem 12SQ
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______cannot diffuse across a lipid bilayer. a. Water molecules c. Ions b. Gases d. Nonpolar molecules
cannot diffuse across a lipid bilayer.
a. Water molecules
b. Gases
c. lons
d. Nonpolar molecules
Which of the following does not apply to lipid asymmetry?
a.It arises in the endoplasmic reticulum.
b.It arises due to the flip-flop movement of specific phospholipids to the cytosolic monolayer.
c.It is preserved throughout vesicular transport.
d.It depends on the activity of flippase.
Chapter 5 Solutions
Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - ______ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Which of the following statements is not correct?...Ch. 5 - A molecule that donates electrons becomes...Ch. 5 - All antioxidants ________. a. prevent other...
Ch. 5 - Prob. 11SQCh. 5 - Prob. 12SQCh. 5 - Prob. 13SQCh. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - One Tough Bug The genus Ferroplasma consists of a...Ch. 5 - Immerse a human red blood cell in a hypotonic...Ch. 5 - Prob. 15SQCh. 5 - Prob. 16SQCh. 5 - Beginning physics students are often taught the...Ch. 5 - Describe diffusion in terms or entropy.Ch. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- ________ form specialized sites on the cell surface that allow cells to recognize each other. a. Cholesterols b. Carbohydrates c. Phospholipidsarrow_forwardDecide whether each of the following molecules will pass through a lipid bilayer. If the molecule will pass through, type yes it will. If the molecule will not pass through, type no it will not. a. Glucose b. Glycerol C.water D. Oxygen gasarrow_forwardSome cytosolic proteins are anchored to the cell membrane via covalent bonds between cysteine or serine residues and _________ within the inner leaflet of the plasma membrane. A. GPI anchors B. cholesterol molecules C. lauric acid groups D. myristic acid groups E. palmitic acid groupsarrow_forward
- the fluid mosaic model of membrane structure a. the phospholipids exist in a bulayer formation b. the cholesterol is located on the outer cell membrane c. the term mosaic refers to cholesterol d. none of the abovearrow_forwardPhospholipids are always oriented so that their polar head faces the calcium ions A. True B. Falsearrow_forwardWhich of the following statements regarding the selective permeability of the lipid bilayer is FALSE? A. the permeability of the lipid bilayer to different substances varies. B. The lipid bilayer component of the plasma membrane is highly permeable to nonvolatile molecules such as oxygen. C. The more hydrophobic or lipid soluble a substance is, the greater the lipid bilayers permeability to that substance. D. The lipid bilayer component of the plasma membrane is moderately permeable to ions and large, uncharged polar moleculesarrow_forward
- Answer quick plezz...arrow_forwardChoose all that aplly that are TRUE for the lipid bilayer:Negative mark is given to incorrect answer(s). a. The polar head groups of the bilayer are positively charged. b. Individual lipid molecules in one face (monolayer) of the bilayer cannot diffuse (flip-flop) to the other monolayer and must be catalyzed by a lipid transporter called flippase. c. The bilayer is stabilized by covalent bonds between neighbouring phospholipid molecules. d. Polar, but uncharged, compounds readily diffuse across the bilayer. e. Individual lipid molecules are free to diffuse laterally on the surface of the bilayer.arrow_forwardWhich of the following characteristics of a water-insoluble substance is most important in governing its diffusibility through a cell membrane? a. Molecular weight b. Electrical charge c. Lipid solubility d. Diameter e. Three-dimensional shapearrow_forward
- Which of the following compounds can diffuse through the lipid bilayer of a cell membrane? Select all that apply. A. Large polar molecules B. Gases and hydrophobic molecules C. Ions D. Small polar molecules like waterarrow_forwardThe presence of cholesterol regulates the in animal cells. Ca. fluidity of a membrane b. polarity of a membrane c. structure of a membranearrow_forwardWhich of following statements is true? A. Polar molecules cannot simply diffuse across the cell membrane. B. Non-polar molecules cannot simply diffuse across the cell membrane C. Polar molecules cannot enter the extracellular space. D. Non-polar molecules cannot enter the extracellular space.arrow_forward
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