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Download free-response questions from past AP Biology exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
This is a hybrid digital exam. Students complete multiple-choice questions and view free-response questions in the Bluebook testing app. They handwrite their free-response answers in paper exam booklets that are returned for scoring. Download a sample free-response booklet for AP Biology (.pdf).
- point
- Total for part (a)
- point
- Question 1
The Na+ /K + ATPase pumps ions against their concentration gradients. This requires an input of (metabolic) energy.
(b) Identify a dependent variable in the experiment represented in Figure 1. • The number of cells Justify the use of normal human kidney NHK cells as a control in the experiments. Accept one of the following: It allows the scientists to determine the effect of PKD on the cells’ responses to (various concentrations of) ouabain. It allows the scie...
point point Accept one of the following: Increasing concentrations of ouabain result in decreasing ATPase activity (in both types of cells). There is an inverse relationship/negative correlation between the concentration of ouabain and the ATPase activity (in both types of cells).
Note: Student samples are quoted verbatim and may contain spelling and grammatical errors.
Terms in this set (366) Study with Quizlet and memorize flashcards containing terms like Water characteristics, Surface Tension, Specific Heat and more.
Questions to study for AP Biology Exam Learn with flashcards, games, and more — for free.
Quiz yourself with questions and answers for AP Biology 2021-2022 Semester 1 Final Exam (FRQ), so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
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What is AP Biology?
Study the core scientific principles, theories, and processes that govern living organisms and biological systems with hands-on laboratory work.
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Obtain A High Score On The AP Biology Exam With Our Practice Tests & Course. Learn faster. Stay motivated. Study smarter.
