Source: College Board — AP Biology, Free-response questions, 2026
AP Bio · Cells
Unit 4: Cell Communication and Cell Cycle
22 questions from past AP exams, newest first.
Source: College Board — AP Biology, Free-response questions, 2025
Source: College Board — AP Biology, Free-response questions, 2023
Source: College Board — AP Biology, Free-response questions, 2022
Source: College Board — AP Biology, Free-response questions, 2021
Stuck on Unit 4: Cell Communication and Cell Cycle?
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Source: College Board — AP Biology, Free-response questions, 2019
Source: College Board — AP Biology, Free-response questions, 2018
Source: College Board — AP Biology, Free-response questions, 2018
Source: College Board — AP Biology, Free-response questions, 2017
Source: College Board — AP Biology, Free-response questions, 2017
Stuck on Unit 4: Cell Communication and Cell Cycle?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Biology, Free-response questions, 2016
Source: College Board — AP Biology, Free-response questions, 2015
Source: College Board — AP Biology, Free-response questions, 2015
Source: College Board — AP Biology, Free-response questions, 2015
Source: College Board — AP Biology, Free-response questions, 2015
Stuck on Unit 4: Cell Communication and Cell Cycle?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Biology, Free-response questions, 2014
Source: College Board — AP Biology, Free-response questions, 2013
Source: College Board — AP Biology, Free-response questions, 2013
Source: College Board — AP Biology, Full practice exam, 2013
Source: College Board — AP Biology, Full practice exam, 2013
Stuck on Unit 4: Cell Communication and Cell Cycle?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.
Source: College Board — AP Biology, Free-response, form B, 2011
Source: College Board — AP Biology, Free-response questions, 2010
Stuck on Unit 4: Cell Communication and Cell Cycle?
Our tutors clear up your doubts one to one — online, or in person with a local tutor.