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  2. Obtain A High Score On The AP Biology Exam With Our Practice Tests & Course.

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  1. Unit 1-8 Learn with flashcards, games, and more — for free. Unit 1-8 Learn with flashcards, games, and more — for free. ... 2021 AP Biology Exam Review ...

  2. chains of monomers (macromolecules) dehydration synthesis. two monomers joined together by removing H2O. hydrolysis. water is added to break large molecules. carbohydrates. ratio of 1 carbon: 2 hydrogen: 1 oxygen; monosaccharides and polysaccharides; energy storage and structural support; linked by dehydration synthesis.

  3. Quiz yourself with questions and answers for AP Biology Test 2021 Review, 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.

  4. 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.

  5. 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.

  6. About the Exam. The AP Biology Exam will test your understanding of the biological concepts covered in the course units, as well as your ability to utilize the scientific method and analyze data. You are allowed to use a four-function calculator (with square root), scientific, or graphing functions throughout exam. This is a hybrid digital exam.

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  8. Directions: Questions 1 and 2 are long free-response questions that require about 25 minutes each to answer. Questions 3 through 6 are short free-response questions that require about 10 minutes each to answer. Read each question carefully and completely. Answers must be written out in paragraph form.

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