Unit 2: Cells Test ReviewCell TransportLabel the following pictures: active transport, passive osmosis, passive diffusion, or passive facilitated diffusion.We oWhy does Active Transport require ATP energy?What is your vocabulary word that means balance/ equillibrlum?Solutions1. Label the below images of solutions: hypertonic, hypOtonic, or isotonic.2. Write if the cell will be at equilibrium, shrink, or swell.3. Explain where the most water is (inside the cell or outside the cell).4. Explain where most of the water will move (inside the cell or outside the cell).Water OWaterWaterWater o OWaterWaterO SoluteO SoluteO SoluteExplain if water will fNow into or out of the cell in the following scenarios:1. Salt is 30% inside the cell and 35% outside the cell.• Water is% inside the cell% outside the cell• Waler will flow [inside /outsidel so the cell can reach equilibrium.

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Cell Transport Label the following pictures: active transport, passive osmosis, passive diffusion, or passive facilitated diffusion.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter5: Membranes And Transport

Section: Chapter Questions

Problem 10TYK: Using the principle of diffusion, a dialysis machine removes waste solutes from a patients blood....

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8. Define homeostasis. maintoining nterral balance 9. What role does the cell membrane play in maintaining homeostasis? 10. How is facilitated diffusion different from diffusion? How are they similar? 11. List two ways that active transport is different than passive transport. 1) 2) 12. Why is the sodium-potassium pump considered an active transport? Which direction are the sodium and potassium bing pumped? How many sodiums are being pumped? How many potassiums are being pumped?
Identify (state whether each item is an example of diffusion, osmosis, filtration, or active transport) 1. Movement of water from an area of lower impermeant solute concentration to an area of higher impermeant solute concentration. 2. Dye particles spread evenly through water. 3. Starch particles pass through a paper membrane. 4. A cell uses energy to "pump" sugar molecules from its external environment. 5. Water in cell moves out into a concentrated salt solution bathing the cell.
Multiple Choice The apparatus shown was set up. Some hours later, the water in the beaker had turned blue, and the liquid in the glass tube had moved upwards. Which processes caused these changes? 2 attachments glass tube Which processes caused these changes? water turned blue liquid in glass tube moved upwards sugar solution and blue ink pure water A osmosis diffusion partially permeable membrane active transport osmosis diffusion active transport diffusion osmosis A B D
Name: Year and Section: Extracellular fluid POST-DISCUSSION ACTIVITY I. Identify the type of cell transport demonstrated in the images below. Plasma membranne Cytoplasm Receptor-medited endocytosia Clathrin EXERCISE NO. 3 Cell Membrane Transport Mechanisms Coated vesicle Vesicle Receptor Channel- protein 2 5 Date Submitted: Group No.:. Passive transport: Facilitated diffusion Carrier protein 3 Passive transport Diffusion Facilitated diffusion 6 Active transport 20000
Part I – Introduction to Diffusion and Osmosis1. Define the terms diffusion, passive transport, active transport, and osmosis. In each of your definitions, describe the role of a concentration gradient. 2. Biological membranes are said to be selectively permeable (or semi-permeable). What does this term mean, and how does this affect the way that molecules are able to move through cellular membranes? 3. Which type of molecule is more likely to quickly pass through a cellular membrane via simple diffusion, polar or nonpolar? Why? (You may need to use information from your textbook and class discussions to answer this question.)
Key Term Matching 1. solute A. has a lower solute concentration 2. solvent B. makes up interior of lipid bilayer 3. hypertonic solution C. passive movement down concentration gradient 4. hypotonic solution D. only allows some substances to pass through 5. isotonic solution E. attached to outer face of plasma membrane 6. diffusion F. in living bodies, it is water 7. osmosis G. spans entire plasma membrane 8. selectively permeable H. a special case of diffusion 9. phospholipid head I. requires assistance to cross plasma membrane 10. fatty acid tail J. substance dissolved in water 11. cholesterol K. serves as an anchor for cytoskeleton 12. carbohydrate chain L. has a higher solute concentration 13. peripheral protein M. gives plasma membrane structural strength 14. transmembrane protein N. contains a phosphate group O. has an equal solute concentration 15. facilitated diffusion 111,111"
Terms Similarity Difference Active Transport/Passive Transport 4. Osmosis - hypertonic/hypotonic/isotonic Define the following: Term Definition Isotonic Hypertonic Hypotonic Concentration in center of box is the concentration inside the cell. Concentration elsewhere in box is the concentration outside the cell. Beaker 1 A. What is the % of water inside the cell? 90% glucose B. What is the % of water outside the cell? C. Will osmosis occur? 10% glucose D. If so, in what direction will osmosis occur? E. Will glucose diffuse? F. Will the cell shrink or swell? G. How do you know? H. This diagram shows the cell in a(n) (circle one) hypotonic / hypertonic / isotonic solution.
decor isLhetims.seattleschools.org/common-assessment-delivery/start/5398502362?action3Donresume&submissionld%=657119921 Concentration, Osmosis, and Cell Environments HW Quiz For each of the drawings, label what kind of environment it is in, how you know this, and what is happening to the cell. This cell is in a isotonic v solution. I know this because This cell will More water is coming in than going out More water is going out than coming in The same amount of water is going out and coming in
Osmosis Practice Activity Osmosis is the diffusion of water from an area of high concentration to an area of low concentration. Only water moves in osmosis! The diagrams below show the concentration of water and salt inside the cell and the concentration of water and salt surrounding the cell. Complete the sentences below by comparing the concentration of the water inside the cell and the concentration outside the cell. 1. a. Water will flow the cell, out of the cell, in both directions). (into 5% NaCl 95% H20 95% NaCI 5% H20 b. The cell will (shrink, burst, stay the same). a. Water will flow (into the cell. 2. 5% NaCl out of the cell, in both directions). 5% NaCl 95% H20 95% H20 b. The cell will (shrink, burst, stay the same).
Link each process with the correct deﬁnition. RECEPTORMEDIATED ENDOCYTOSIS PHAGOCYTOSIS PINOCYTOSIS EXOCYTOSIS 1. A cell ingests a large particle, such as a bacterial cell. 2. Receptor proteins embedded in the membrane recognize specific surface characteristics of substances. 3. A transport vesicle inside the cell approaches the plasma membrane of the cell, fuses with it, and releases its contents to the outside of the cell. 4. A vesicle containing whatever molecules are in solution outside the cell bulges inward, pinches off, and enters the cell.
Conditions Isotonic Hypotonic Hypertonic Causes cell to shrink Doesn't change the shape of the cell Causes a cell to swell Normal cell Causes a plant cell to be flaccid Plant cell becomes turgid Cell tends to shrivel Causes the cell to be plasmolyzed 16 B. Label the diagrams of cells using the following diffusion, active transport, osmosis. The arrows show the direction of transport. You may use the terms more than once. 4 H,0 molecules High protein levels High CO2 levels Low CO, levels 16 H20 molecules Low protein levels 1. 2. 3. 8 H,0 molecules 20 glucose molecules 10 Н,О molecules 2 H,0 molecules 5 glucose molecules 10 H20 molecules 4. 5. 6.
Model 4 - Transport Proteins: Facilitated Diffusion Extracellular Fluid mu Cytoplasmic Fluid Extracellular Fluid wwwwwwy hmmmml Cytoplasmic Fluid www.wmy wwwwwy hummu hmm wwwwwwy immmml wwwwwwwwY immu hmmmml wwwwy hmmmm O wwwwwwy wwwwwwwy imm hmmmmm Y www Y www 10. What appears to be the effect of inserting a protein channel into the membrane on the movement of molecules across the membrane? 11. Is the inner surface (facing the channel) of the embedded protein likely to be polar or nonpolar in the examples shown in Model 4? Is the exterior surface (facing the fatty acid chains of the phospholipids) of the embedded protein likely to be polar or nonpolar? Explain your reasoning. When a membrane protein assists in the passive transport of molecules across a barrier in the direction down their concentration gradient (from high concentration to low concentration) it is called facilitated diffusion. Transport proteins may also be involved in active transport where the cell uses energy from…