7. SOLUTE EGG WATER MEMBRANE Figure 1. Consider figure 1. Predict how water will move across the membrane. Water will move into the cell to where there is a higher solute concentration. Water will move out of the cell to where there is a lower solute concentration. Water will move into the cell to where there is a lower solute concentration. The cell and solution are in equilibrium, so water will move both directions equally. OO O

7. SOLUTE EGG WATER MEMBRANE Figure 1. Consider figure 1. Predict how water will move across the membrane. Water will move into the cell to where there is a higher solute concentration. Water will move out of the cell to where there is a lower solute concentration. Water will move into the cell to where there is a lower solute concentration. The cell and solution are in equilibrium, so water will move both directions equally. OO O

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Osmosis is the diffusion of water, and can be driven by many different factors, including temperature, pressure, the nature of the location, and solute concentration. Which of these is a requirement for osmosis to occur? Water must flow from low to high water potential. Only within plant cells is pressure required. Temperature must be above 30 C. There must be a semipermeable membrane.
If a bacterial cell is placed in a hypertonic (hyperosmotic) solution: There is no net movement of water either into or out of the cell O O Water moves through the plasma membrane out of the cell, causing plasmolysis The cell may undergo osmotic lysis Water moves through the plasma membrane into the cell None of the other four answers describes what happens in a hypertonic solution
Would water molecules move faster when there is a high concentartion gradient or low concentartion gradient? I think basically this question is asking if water molecules will move faster using passive transport or active transport? since it involves water molecules wouldn't it be passive transport since osmosis is a type of passive transport? I'm confused
4. The diagram below illustrates a red blood cell in three different solutions. Identify eachsolution as being hypertonic, hypotonic or isotonic.
10% NaCl solution presents a more environment than a 5% NaCl solution. isotonic O hypotonic hypertonic none of the above
Transporters Tether molecules to a specific region of the membrane? O True O False
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1. Water movement across a semipermeable membrane and between compartments with differing water activity will occur until acitviites of water in the two compartments become equal. TRUE OR FALSE 2. When there is a difference in water activity between two compartments seperated by a semipermeable membrane. There is net water movement from the compartment with the higher water activity to that with lower water activity TRUE OR FALSE 3. Osmosis requires an attractive force between water and the solute? TRUE OR FALSE
1
The diagram below shows three different proteins embedded in a cell membrane, as well as the concentration gradient surrounding the cell high concentration channel protein carrier protein lipid bilayer 1 21 3 low concentration Which of the following statements correctly states the process shown in the diagram? O The process labeled 1 shows how cells can easily move molecules with the concentration gradient using high energy molecules. The process labeled 2 shows how cells move molecules against the co entration gradient without needing hic energy molecules The process labeled 3 shows how cells use energy to facilitate the active transport of molecules against the concentration gradient All three processes show how molecules freely move in and out of the cell regardless of the concentration gradient or available en Previous
I. On this table, show in diagram or illustration how cells behave in different conditions Hypotonic Solution 2. Lysing Hypertonic solution 3.Shriveled Type of cell Isotonic Solution 1. Normal cell Animal cell 4. Flaccid 5. Turgid |6. Plasmolyzed Plant cell
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