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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.
Jun 21, 2021 · This post will cover some of the most difficult AP Biology questions and explain how to ace them. We’ll also give tips on how to study for the exam, what sorts of questions you’ll encounter, and how to space out your time.
Teachers: Explore timing and format for the AP Biology Exam. Review sample questions, scoring guidelines, and sample student responses.
- 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.
As the AP bio exam gets closer, we’ve been getting messages from students asking for help with some of the most difficult concepts/topics in AP Biology. We’ve been answering these but wanted to provide a quick review guide for all students preparing for the AP bio exam next month.
This AP Biology Review Guide is a BEAST, but it walks through the entire Course & Exam Description (CED) with I can statements, questions, and practice multiple choice/free response for each unit. Plus, new this year - explanations for all of the multiple choice questions.
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Exam Format Exam Format Time: 90 minutes • Section I: Multiple Choice • 60 Questions • 50% of Exam Weighting Time: 90 minutes • Section II: Free Response • 6 Questions (2 Long, 4 Short) • 50% of Exam Weighting Based on the 2020 Practice Exam Scoring Guidelines You need approximately 54 of the available 120 points for a 3 on the exam
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related to: how difficult is the ap biology exam 2021 test 1 review answers pdfstudy.com has been visited by 100K+ users in the past month
Obtain A High Score On The AP Biology Exam With Our Practice Tests & Course. Learn faster. Stay motivated. Study smarter.
