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Where does lipid biosynthesis occur? |
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Definition
Primarily in the smooth ER-makes triglycerides, steroids, and phospholipids |
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Term
What are the fates of the synthesized lipids/lipoproteins? |
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Definition
Transition vesicles, membranes, or secreted into plasma. |
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Term
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Definition
A phospholipid located exclusively in the cytoplasmic leaflet of the membrane. |
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Term
What are 4 gradients that determine the movement of substances from a high to low energy state? |
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Definition
Pressure, concentration, voltage, and osmotic. |
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Term
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Definition
Movement of water through a semi-permeable membrane. Water moves from an area of low solute to an area of high solute. |
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Term
Tonicity equals osmolarity.... |
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Definition
...ONLY when non-penetrating solutes are present in solution. |
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Term
A cell placed in hypotonic solution... |
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Definition
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Term
A cell place in hypertonic solution... |
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Definition
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Term
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Definition
Bind molecules with specific properties. |
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Definition
Allow the immune system to distinguish foreign organisms from normal body cells. |
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Definition
Permit polar compounds and ions to cross the cell membrane. May also acts as enzymes. |
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Definition
Form links between adjacent cells. |
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Definition
Catalyze specific reactions on the intracellular or extracellular membrane surface. |
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Definition
Attach the cytoskeleton to the cell surface |
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Term
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Definition
a protein in RBC plasma membranes that appears to form water channels in the membrane to allow water to flow freely into and out of the cell. |
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