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Glucose, amino acids, and HCO3-
What can necrosis be caused by?
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Infection, ischaemia (lack of blood flow), toxin, hypoxia (lack of oxygen)
Which two types of tissues have excitable cells?
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Muscle tissue and nervous tissue
What is the function of receptors?
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Serve as cellular recognition sites where each type of receptor recognizes
and binds to a specific type of molecule
Phospholipids tails?
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Non-polar, hydrophobic tails containing 2 long fatty acids
What are the 4 general functions of the plasma membrane?
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Structural support (cytoskeleton), physical isolation, regulation of
exchange, and communication
What are the 6 functions of membrane proteins?
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Ion channels, receptors, carriers/transporters, enzymes, linkers, cell-
identity markers
What is vesicular transport?
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Transport used for macromolecules that are too large for protein mediated
transport systems to handle
What are the 3 groups of protein-mediated transports?
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Membrane transporters, structural protein, membrane enzymes, and
membrane receptors
What does the renal system consist of?
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Urinary system, kidneys and bladder
What can channel transporters be divided into?
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Open (leak channels) and gated channels
What are observable changes in an apoptotic cell?
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Degradation of cellular components such as, nuclear fragmentation,
chromatin condensation, DNA fragmentation, and RNA decay
Epithelium cell shapes: Cuboidal cells
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Wide, shape like cubes, and may contain microvilli and function in either
secretion or absorption
What do both types of active transport require?
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The binding of substrate to the carrier protein and the conformation
changes of the carrier proteins
What are cells electrically and chemically at when in resting memebrane potential?