Front | Back |
A layer of proteins responsible for blood typing, fertilization and immunity are called
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Glycocalyx
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This membrane junction prevents movement between cells (eg. Acids and enzymes in digestion tract)
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A tight junction
impermeable junction |
Cells under extreme stress are held together by
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desmosomes |
Besides holding cells together, intracelluarly communication may be accomplished by
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A gap junction
nexus |
Glucose enters a cell by
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Facilitated diffusion
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Which type of channel is associated with simple diffusion
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Leakage channels
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A cell loses water and begins to shrink due to a _______ extracellularly environment
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Hypertonic
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Which term best describes the na-k pump
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Primary active transport system ATPase
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Which of the following might happen if the na-k pump were dysfunctional?
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death by apoptosis |
Goblet cells secrete mucus by
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Exocytosis
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A formed vesicles that joins with a lysome best describes
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Phagocytosis
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Cells lining the intestine would employ which type of vesicular transport
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Penocytosis
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The voltage across the cell membrane due to charge separation is referred to
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The generation of a membrane potential
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Which of the following is responsible for the polarity difference extracellularly and entracellularly?
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Diffusion of potassium and sodium
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Which of the following tends to keep intracelluarly k+ ion concentration high?
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Excessive intracelluar Na
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