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Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at ssd@info.collegeboard.org.
Starting with the 2024 exam, the layout for the free-response questions (FRQs) will be different from prior exams. For a summary of the changes, and to help you visualize this change to the layout, we’ve applied the 2024 layout to the 2021–2023 AP Biology FRQs. You can find the original scoring guidelines on the past exam questions page.
AP BIOLOGY EXAM 2021. 4.8 (4 reviews) Flashcards; Learn; ... AP Biology: Final Exam Review (Unit One) ... Biology 1030 Exam 2 Key Terms. 80 terms. mckgleaton.
2. What is the movement of molecules across a membrane from a region of lower concentration to a region of higher concentration-against the concentration gradient; requires cellular energy to achieve this movement. 3. Regarding meiosis and mitosis, one difference between the two forms of cellular reproduction is that in meiosis.
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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.
27 of 27. 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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About the Course. From the smallest units of life to how healthy ecosystems can be sustained, AP Biology explores the key principles of biology. While you learn about genetics and how it affects evolution, how energy flows through ecosystems and other fascinating topics, you’ll also learn how to think critically, solve problems, and ...
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Obtain A High Score On The AP Biology Exam With Our Practice Tests & Course. Learn faster. Stay motivated. Study smarter.