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Biology: Concepts and Applications (MindTap Course List)
9th Edition
ISBN: 9781285427812
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 5, Problem 11SQ
Summary Introduction
Introduction:
A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.
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_____________ membrane proteins transverse the entire lipid bilayer.
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Hydrophilic substances cannot pass straight through the plasma membrane due to the ________.
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c.
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Chapter 5 Solutions
Biology: Concepts and Applications (MindTap Course List)
Ch. 5 - Prob. 1SQCh. 5 - Prob. 2SQCh. 5 - Prob. 3SQCh. 5 - Prob. 4SQCh. 5 - Prob. 5SQCh. 5 - Prob. 6SQCh. 5 - Name one environmental factor that typically...Ch. 5 - Prob. 8SQCh. 5 - Prob. 9SQCh. 5 - Solutes tend to diffuse from a region where they...
Ch. 5 - Prob. 11SQCh. 5 - Prob. 12SQCh. 5 - Immerse a human blood cell in a hypotonic...Ch. 5 - Prob. 14SQCh. 5 - Prob. 15SQCh. 5 - Prob. 1CTCh. 5 - How do you think a cell regulates the amount of...Ch. 5 - The enzyme trypsin is sold as a dietary enzyme...Ch. 5 - Catalase combines two hydrogen peroxide molecules...
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- Choose which substances cannot pass through the phospholipid bilayer of the plasma membrane. A. Gasses B. Charged molecules C. Hydrophobic molecules D. Lions E. Water F. ATParrow_forwardwhich of the following statements is correct about the movement of water across a plasma membrane a. it cannot pass through any ion channels b. it moves through the membrane via mediated transport c. even though it a polar molecule, it moves readily through the nonpolar lipid bilayer d. artificial lipid membranes are impermeable to waterarrow_forwardwhich 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. waterarrow_forward
- Decide 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_forwardWhich 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.arrow_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
- ________ form specialized sites on the cell surface that allow cells to recognize each other. a. Cholesterols b. Carbohydrates c. Phospholipidsarrow_forwardDraw the different spontaneously formed lipid structures: a. Monolayers and bilayers b. Micelles C. Unilamellar vesicle d. Multilamellar vesiclesarrow_forwardWhich of the statement about cell membrane is not true? * It contains protein molecules embedded in the lipid bilayer B. It is a differentially permeable membrane. C. It contains charged pores thus ions being O charged particles cross cell membrane much easier than neutral particles. D. It may get infolded to engulf solid or liquid material.arrow_forward
- Choose which substances can pass freely through the plasma membrane A. Gasses B. Charged molecules C. Hydrophobic molecules D. Lions E. Water D. ATParrow_forwardWhich 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 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_forward
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