pH and cells, hypothesis In the Functions of Buffers simulation, a good hypothesis would be: Artificial cytoplasm acts as a buffer. True or False
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![pH and cells, hypothesis
In the Functions of Buffers simulation, a good hypothesis would be: Artificial cytoplasm acts as a buffer.
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- Example Problem: FRAP Data Interpretation The diffusion rate of four different membrane proteins (A, B, C, and D) was measured using a FRAP experiment with purified liposomes. The FRAP recovery curves are shown below. Fluorescence intensity ROI A 3 Time B Time Post-bleaching imaging с Time D Time Pre-bleaching Bleaching imaging imaging (a) Which membrane protein exhibits the higher rate of diffusion in the lipid bilayer? A or B? C or D? (b) Explain the most likely cause of the difference in the recovery curves for proteins A and C.Transport Across the Cell Membrane Worksheet 1. For each of the following examples, state whether the solution is isotonic, hypertonic or hypotonic and draw an arrow to indicate which way water will move. a) b) 100% H₂O 10% NaCl 0% NaCl 90% H₂O 83 5% salt 10% saltActivity 3b - Diffusion across a semipermeable membrane 1. Define selective permeability. 2. Explain the properties of the cell membrane that make it selectively permeable. Activity 3c - Osmosis in potatoes 1. Define osmosis. 2. Define hypertonic, hypotonic, and isotonic. Hypertonic Hypotonic Isotonic Activity 3d - Osmosis in plant cells 1. Fill in the table below to indicate what happened to the elodea cells in each of the following solutions. Solution Hypertonic Isotonic Hypotonic Will the cell membrane swell or shrivel? What happens to the chloroplasts in the hypotonic solution? Why do you think that happens?
- Example Problem: FRAP Data Interpretation The diffusion rate of four different membrane proteins (A, B, C, and D) was measured using a FRAP experiment with purified liposomes. The FRAP recovery curves are shown below. Fluorescence intensity ROI A 3 Time Pre-bleaching Bleaching imaging imaging B Time Post-bleaching imaging C Time D Time (a) Which membrane protein exhibits the higher rate of diffusion in the lipid bilayer? A or B? C or D? (b) Explain the most likely cause of the difference in the recovery curves for proteins A and C.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 v solution. I know this because This cell willdifferent concentrations. Identify if the solutions in the beakers are Isotonic, hypertonic or hypotonic munh would zalra makeLhar clienr's style took 4 hours Directions: The diagrams that follow show cells of different concentrations placed in beakers of y-15(42+50 ame: L6-8h Science: Cell Transport: Tonicity Date: Team: HOMEWORK to the cell's concentration. The solution of the beaker is: The solution of the beaker is: 2. 1. The solution of the beaker is: The solution of the beaker is: 4. 3. 5. Explain your answer to Diagram #1. 11
- Tonicity3 := Homework • Unanswered Suppose the circle represents a cell which is sitting in a solution. Compare the concentration inside the cell with the concentration of the surrounding solution to determine the tonicity of each. 1% sugar 10% sugar Drag and drop options on the right-hand side and submit. For keyboard navigation... SHOW MORE v The solution is... into/out of the cell at equal rates. The cell is... isotonic out of the cell. Water will move... hypertonic hypotonic into the cell. II II II II IIHBOCPS Das X + Orders - X ← → C D Login OCPS Performance Matters Question 5 of 16 Question 1-5 lipid bilayer low concentration Performa X < Previous olaocps.performancematters.com/ola/ola.jsp?clientcode=flocps# Join a Game - Quizizz K! Play Kahoot! - Enter... Dashboard Submit Test 1 channel protein Educator 3 2 x 12 Exam: 01 × Plans for x carrier protein 3 The diagram below shows three different proteins embedded in a cell membrane, as well as the concentration gradient surrounding the cell. high concentration POREI ***** energy Performance Matte... AP EL U.S. Citize X FLVS Login My Quizzes - Quizizz Welcome, Asheley! 02.Cl.Biology.CRM3.2_2023 EL https://sex S4JypvF 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 concentration gradient without needing high…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 expand and possibly undergo lysis have the vacuole expand and the cell will become turgid This cell is in collapse and become crennated have the vacuole collapse and the cell will become plasmolysed I know this b maintain itself in equilibrium with its environment This cell will
- Activity 3d - Osmosis in plant cells 1. Fill in the table below to indicate what happened to the elodea cells in each of the following solutions. Solution Hypertonic Isotonic Hypotonic Distilled water Activity 3e Osmosis in red blood cells 1. Summarize the results of the experiment in the table below. First, indicate what the tonicity (hypertonic, hypotonic or isotonic) of the solution is and then describe the appearance of the red blood cells. Solution 10% NaCl Will the cell membrane swell or shrivel? .9% NaCl What happens to the chloroplasts in the hypotonic solution? Why do you think that happens? Tonicity of the Solution Describe the appearance of the red blood cells 1. Saltwater fish live in an environment that is saltier than the inside of their cells. Explain which way water would move relative to the cells of their bodies (i.e. would water move in or out?).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).t be submitted on one attempt auto-submit when time expires bondus password is 515b73158335f6 Question 6 Which ion is actively transported through the cell membrane and why? O Na, because the ion is being moved against its gradient O Mg, because the membrane is impermeable to this ion OK, because the ion is being moved with its gradient O Cl, because the ion is moved to equilibrium < Previous
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