He closed the answer key PDF. The temptation faded, replaced by a quiet satisfaction. He typed his own answer to Question 5: Explain how a plant cell in a hypertonic solution loses turgor pressure.
“Okay,” Leo muttered, clicking the “Start” button on the Student Exploration: Osmosis simulation. “Time to see who moves where.” Student Exploration Osmosis Gizmo Answer Key Pdf
He looked at the answer key. More water would move to the left. He closed the answer key PDF
He watched as tiny blue dots (water) began to shimmy across the membrane toward the left side. The green glucose dots, true to the rules, just bounced off the membrane like confused bees against a window. They were too large to pass. “Okay,” Leo muttered, clicking the “Start” button on
The answer key was right. But Leo hadn’t learned why until he saw the frantic water molecules. It wasn’t about “wanting to dilute.” It was about probability. More water molecules on the right meant more chances to bounce through the membrane to the left, where water was rarer. It was a numbers game.
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