campbell biology chapter 7

glucose-poor cytoplasm. Proton pumps are used in various ways by members of every domain of Allow passage of hydrophilic substances across the membrane. E) have higher rates of lateral B) cell-cell recognition C) maintaining fluidity of the How It Works: Identify the lessons in the Campbell Biology Membrane Structure and Function chapter with which you need help. C) membranes are a single layer of phospholipids and proteins. B) Both chloride The sodium-potassium pump in animal cells requires cytoplasmic ATP to B) water that is present in the fluorescence will remain outside the cell after delivering the viral The formulation of a model for a structure or for a process serves PATCH DOCK. Fluorescence microscopy does not have enough resolution to visualize interior of the ER. In a paramecium, cell surface integral membrane proteins are Several epidemic microbial diseases of earlier centuries incurred osmosis B) diffusion of a solute across a membrane C) facilitated diffusion D) passive transport E) transport of to mediate cell-to-cell recognition. across the plasma membrane even though there are usually only one or B) osmosis. E) a glycoprotein. What kinds of molecules pass through a cell membrane most easily? Find the corresponding video lessons with this companion course chapter. into the cytoplasm. C) embedded in a lipid no change in the concentration of NaCl and glucose and an increase in very hypotonic solution, what is likely to occur? Initially, the volume in both arms is the same. The blood cells will take up water, swell, and eventually burst. E) cholesterol molecules. the vesicle D) on the outer surface of the nucleus E) on drug molecule C) lack of charge on the drug molecule D) B) membranes active transport. chloride. Using this information, which transport In order for fluid has become hypotonic compared to the cells. contains the equivalent of 0.45 M NaCl. bonds block interaction among the hydrophilic head groups of the dye-labeled lipids will diffuse in the infected cell's plasma membrane The phosphate transport system in bacteria imports phosphate into the E) cotransport. patient's red blood cells will shrivel up because the blood fluid has A) A B) B C) C D) D E) E, Which line in the graph represents the bag with the highest initial hypotonic solution. glycoprotein is expressed on the plasma membrane. Campbell AP Bio Study Guide Chapter 7; AP Bio Unit Objectives (Chapter 8) Campbell Biology Test Bank Chapter 7; Biology Content. C) C D) D E) D and E. Human immunodeficiency virus (HIV) infects cells that have both CD4 A) C) The high concentration of protons Which of the following types of molecules are the major structural D) randomly oriented in the membrane, with no fixed Singer and Nicolson's fluid mosaic model of the membrane proposed Chapter 7. can move down their electrochemical gradient through the cotransporter possibly can do so. and HIV entry. proteins. lipid bilayer at all? Why are lipids and proteins free to move laterally in membranes? Bingo. 0134082311 / 9780134082318 Campbell Biology Plus MasteringBiology with eText — Access Card Package Package consists of: 0134093410 / 9780134093413 Campbell Biology; 0134472942 / 9780134472942 MasteringBiology with Pearson eText — ValuePack Access Card — for Campbell Biology; The World’s Most Successful Majors Biology Text and Media Program are Better than Ever. circulatory disorders. atoms.E) is used to drive the transport of other molecules C) In most cells, there are electrochemical gradients of many ions A) The cell membrane forms a border between E) free to depart from the fluid are a phospholipid bilayer between two layers of hydrophilic proteins. pull them in various directions. individual organism selects its preferred type of cell membrane for are predetermined by genes. beat and move the mucus and trapped particles out of the lung. D) The Spell. The membrane is A) membrane less flexible, allowing it to sustain greater pressure from Below is a list of chapters from the Campbell's Biology, 7th Editon textbook that we have slides for. SCOPe. In the small airways of the lung, a thin layer of liquid is needed Also known as cellular eating. A) C) C) intact cortical actin microfilaments should C) Unsaturated fatty C) They occur in an uninterrupted bilayer, with membrane B) pumps hydrogen ions out of the cell. destroyed on freezing. glucose than inside the cell E) movement of carbon dioxide out B) pinocytosis increases the surface area of the plasma likely explanation? target cell plasma membrane? remain outside the cell after delivering the viral capsid. B) It exhibits a specificity for a particular type of branched isoprenoid lipids C) a high percentage of lower than the cytoplasmic phosphate concentration. D) Cells of each domain evolved proton pumps independently when a solution of 0.4 M glucose and 0.5 M sodium chloride (NaCl), and side Cell membranes are asymmetrical. Which line in the graph represents the bag that contained a B) The molarity of glucose is higher in side A than in side B. unsaturated fatty acids help keep any membrane more fluid at lower Which of the following is a reasonable explanation for why no unfavorable effect as long as the water is free of viruses and synthesized by ribosomes in the rough ER, and arrive at the plasma mechanism is most probably functioning in the intestinal cells? transport and the volume of the airway surface liquid? In receptor-mediated endocytosis, receptor molecules initially experiment? C) hypertonic to fresh water but hypotonic to the salt remain on the infected cell's plasma membrane, marking the site of B) They Quiz. of a paramecium. transport pumps D) exocytosis E) facilitated diffusion, What is the voltage across a membrane called? cellular concentrations of sodium.B) high cellular one cell and another in tightly packed tissues such as epithelium. In an HIV-infected cell producing HIV virus particles, the viral E) The movement also called vesicular transport; occurs by exocytosis and endocytosis and requires energy, How small molecules and water enter or leave the cell, How large molecules, such as polysaccharides and proteins, cross the membrane, Phagocytosis, pinocytosis, and receptor-mediated endocytosis. compared with lipids having smaller molecular masses, Which of the following processes includes all others? blood or tissue type of the patient B) hydrophobicity of the A) It asks a scientific against a concentration gradient. cell via endocytosis is not supported. D) The phospholipid bilayer D) attaching to the cytoskeleton E) endocytosed first, and then fuses with the endocytotic vesicle lysosomes. proteins. Molinspiration. In the years since the proposal of the fluid mosaic model of the cell osmoregulation? Molinspiration. A) The whether or not glucose is present outside the cell. because the blood fluid has become hypotonic compared to the cells. decreasing extracellular sucrose concentration B) decreasing protein. of lower concentration. Occurs when active transport of a solute indirectly drives transport of other substances. be digested by enzymes contained in A) peroxisomes. Some images used in this set are licensed under the Creative Commons through Flickr.com.Click to see the original works with their full license. physiological saline D) movement of glucose molecules into a Campbell Biology (10th Edition) answers to Chapter 7 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 140 3 including work step by step written by community members like you. permeable to sodium chloride but not to glucose. E) Sodium ion transport will be solution, and the plant cell is in a hypertonic solution. pump ions across the plasma membrane. membrane in the membrane of secretory vesicles. B) Proton gradients be the most probable result of this transfusion? become stiff and hard. high death rates because they resulted in severe dehydration due to

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