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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.
Download free-response questions from past AP Biology exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
Question 1: Interpreting and Evaluating Experimental Results with Experimental Design 9 points. In eukaryotic microorganisms, the PHO signaling pathway regulates the expression of certain genes. These genes, Pho target genes, encode proteins involved in regulating phosphate homeostasis.
AP® Biology 2023 Scoring Guidelines © 2023 College Board Question 3: Scientific Investigation 4 points Sand lances of the genus Ammodytes are small fish that function as keystone organisms in several coastal ecosystems. These sand lances are prey fish that support organisms at higher trophic levels. Scientists
AP® Biology 2023 Scoring Guidelines © 2023 College Board Question 2: Interpreting and Evaluating Experimental Results with Graphing 9 points
New FRQ Layout for the 2024 AP Biology Exam. 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.
AP® Biology 2023 Scoring Guidelines © 2023 College Board Question 3: Scientific Investigation 4 points Sand lances of the genus Ammodytes are small fish that function as keystone organisms in several coastal ecosystems. These sand lances are prey fish that support organisms at higher trophic levels. Scientists
AP Biology Student Samples from the 2023 Exam Administration. AP® Biology 2023 Scoring Guidelines. Question 6: Analyze Data 4 points. Housekeeping genes encode proteins involved in universally important processes such as transcription, translation, and glycolysis.
The following comments on the 2023 free -response questions for AP ® Biology were written by . the Chief Reader, Amy Dykstra, Bethel University —Minnesota , with substantial assistance from . the Operational Exam Leader, Jay Mager, Ohio Northern University , and Question Leaders,
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.