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AP® Biology 2021 Scoring Guidelines © 2021 College Board (a) The disorder alters glucose metabolism. Describe. the atoms AND types of bonds in a glucose molecule. 1 point • The atoms are carbon, hydrogen, and oxygen (C, H, and O) and are held together by covalent bonds. (b) Use the template provided to . construct
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- Total for part (a)
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- 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.
Download free-response questions from past AP Biology exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
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.
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.
We have links to all of the best online AP Biology practice exams. These resources will provide thousands of challenging practice questions to work through. Choose from the listing below to get started with your test prep right now! Hundreds of multiple choice questions, all organized by topic.
Apr 16, 2021 · 2021 AP Biology Exam Practice Set Compiled by Bob Kuhn Below are the practice FRQs publicly listed that align best to this year’s FRQ 1 & 2 and FRQ 3-6. Please see the Instruction Document for helpful hints on the exam and how to answer these questions.
