@sally0310: What determines whether a substance will be transported by passive or active transport? A. The size of the transported substance B. Whether ATP is needed to move it against its gradient C. The concentration of enzymes in the cell D. The rigidity of the plasma membrane 🧬 PASSIVE or ACTIVE TRANSPORT? 🔬 What determines the type of transport? 🤔 👉 Answer: B. Whether ATP is needed to move it against its gradient. 💚 Passive transport = moves substances down the concentration gradient without using cellular energy. ⚡ Active transport = uses ATP to move substances against the concentration gradient. Quick review, future scientists! 📚🧪 #BiologyReview #CellTransport #ScienceMadeEasy #Grade12Barium #Grade11Aluminum

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Friday 21 August 2026 00:49:13 GMT