Glucose concentration is high outside, and a transport protein (carrier) is present, High O₂ outside, low inside (no channel) . → Predict: Direction of movement?, High CO₂ inside, low outside (no channel). → Predict: Direction of movement?, Equal O₂ inside and outside . → Predict: Will net movement occur?, High glucose outside, low inside (no channel) . → Predict: Can glucose cross membrane?, High glucose outside, low inside (with channel) . → Predict: What changes compared to no channel?, High Na⁺ outside, low inside (no channel) . → Predict: Will Na⁺ move?, High Na⁺ outside, low inside (with leakage channel) . → Predict: Direction of movement?, High K⁺ inside, low outside (with leakage channel). → Predict: Direction of movement?, Outside: high Na⁺, inside: low Na⁺ . → Predict: Which side has higher solute? If water could move, where would it go?, Inside: high glucose, outside: low glucose. → Predict: Where would water move?, Outside: high Na⁺ + glucose, inside: low solute. → Predict: What would happen to the cell?, Outside: low solute, inside: high solute. → Predict: What would happen to the cell?, High Na⁺ outside, voltage-gated channel CLOSED. → Predict: Will Na⁺ move?, High Na⁺ outside, voltage-gated channel OPEN . → Predict: What changes?, High K⁺ inside, ligand-gated channel CLOSED . → Predict: Will K⁺ move?, High K⁺ inside, ligand-gated channel OPEN . → Predict: Direction of movement?, High O₂ inside, low outside (no channel) . 👉 Predict: direction of movement, High Na⁺ inside, low outside (with leakage channel). 👉 Predict: direction of movement, Equal Na⁺ inside and outside (with channel). 👉 Predict: will there be net movement?, High glucose inside, low outside (with channel). 👉 Predict: direction of movement, High CO₂ inside and outside (equal concentration, no channel) . 👉 Predict: will there be net movement?.

PHET MEMBRANE SIMULATOR

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