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The current balance is used to measure the force of repulsion between identical, oppositely di- rected, currents in parallel conductors. In this experiment you will:
For each of the AP labs, the supplement pages attempt to: point out the most common dificulties and misconceptions that students experience concerning the lab topic; mention useful modifications in lab preparation or procedure and share cost-cutting and time-saving tips from fellow teachers;
To move substances against a concentration or electrochemical gradient, the cell must use energy. This energy is harvested from ATP generated through the cell’s metabolism. Active transport mechanisms, collectively called pumps, work against electrochemical gradients.
Information presented and the examples highlighted in the section support concepts outlined in Big Idea 2 and Big Idea 4 of the AP ® Biology Curriculum Framework. The learning objectives listed in the Curriculum Framework provide a transparent foundation for the AP ® Biology course, an inquiry-based laboratory experience, instructional ...
Osmoregulation is the process of maintenance of salt and water balance (osmotic balance) across membranes within the body’s fluids, which are composed of water, plus electrolytes and non-electrolytes. An electrolyte is a solute that dissociates into ions when dissolved in water.
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Emphasizes scientific inquiry, reasoning, and critical thinking. Enables students to plan, direct, and integrate a range of science practices, such as designing experiments, collecting data, and applying quantitative skills. Includes lists of supplemental resources. Access the Lab Manual.
