cell membrane

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  1. DAT Destroyer

    DAT and OAT Biology: Cell Membrane Permeability | DAT Destroyer | Dr. Jim Romano

    Which molecules can easily pass through the cell membrane without a transporter? Consider polarity, molecular size, and lipid solubility before choosing your answer. Dr. Romano’s complete explanation is included on the second slide. Free DAT and OAT study resources: Start Your DAT and OAT...
    • DAT Destroyer
    • Thread
    • cell membrane dat dat biology dat destroyer dr. jim romano membrane permeability oat oat destroyer simple diffusion
    • Replies: 0
    • Forum: Optometry
  2. DAT Destroyer

    DAT DAT and OAT Biology: Cell Membrane Permeability | DAT Destroyer | Dr. Jim Romano

    Which molecules can easily pass through the cell membrane without a transporter? Consider polarity, molecular size, and lipid solubility before choosing your answer. Dr. Romano’s complete explanation is included on the second slide. Free DAT and OAT study resources: Start Your DAT and OAT...
  3. a_zed24

    Help in glycocalyx negative charge

    Hello everyone, sorry i'm not sure if this is the right place to ask this question. My Physiology book says one of the glycocalyx functions is to repel negative charges (since it's negatively charged itslef). My question is, why does a cell need to repel negative charges in the first place? Thanks!
  4. a_zed24

    Help in glycocalyx negative charge

    Hello everyone, sorry i'm not sure if this is the right place to ask this question. My Physiology book says one of the glycocalyx functions is to repel negative charges (since it's negatively charged itslef). My question is, why does a cell need to repel negative charges in the first place? Thanks!
    • a_zed24
    • Thread
    • cell membrane glycocalyx help negative charge
    • Replies: 1
    • Forum: Pre-Pharmacy
  5. M

    Effect of Cholesterol on Cell Membrane

    Can someone double check if I'm thinking of this correctly? If the temperature increases, we want to decrease fluidity (higher temperature might cause the cell to “denature” and explode because of the more kinetic energy possible) to keep the cell stable. If the temperature drops too low (the...