4.When a plant cell, such as one from a peony stem, is submerged in a very hypotonic solution, what is likely to occur?A.the cell membrane will lyseB.the cell will burstC.plasmolysis will shrink the interiorD.the cell will become turgidE.the cell will become flaccid 1
A) H. Davson and J. Danielli B) I. Langmuir C) C. Overton D) S. Singer and G. Nicolson E) E. Gorter and F. Grendel 2
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4 4) Which of the following types of molecules are the major structural components of the cell membrane?
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53 53) A bacterium engulfed by a white blood cell through phagocytosis will be digested by enzymes contained in A) peroxisomes. B) lysosomes. C) Golgi vesicles. D) vacuoles. E) secretory vesicles. 54
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66 66) What would be observed by live-cell fluorescence microscopy if the red fluorescent lipid dye-labeled HIV membrane fuses with the target cell plasma membrane?
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70 70) In an HIV-infected cell producing HIV virus particles, the viral glycoprotein is expressed on the plasma membrane. How do the viral glycoproteins get to the plasma membrane?
71 Cystic fibrosis is a genetic disease in humans in which the CFTR protein, which functions as a chloride ion channel, is missing or nonfunctional in cell membranes.
72 Cystic fibrosis is a genetic disease in humans in which the CFTR protein, which functions as a chloride ion channel, is missing or nonfunctional in cell membranes.
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80 80) Based on the figure above, which of these experimental treatments would increase the rate of sucrose transport into the cell?
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