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AP ® Biology 2021 Scoring Commentary . Question 2 (continued) Sample: 2B Score: 5 . The response earned 1 point in part (a) for describing that a glucose molecule contains atoms of carbon, hydrogen, and oxygen that are covalently bonded. The response earned 1 point in part (b) for constructing a graph labeled with
Download free-response questions from past AP Biology exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
Located in thylakoid and is light absorbing pigment; gives plants green color by absorbing violet blue and red light and reflects green light. Stomata. Where CO2 enters and O2 + water vapor leave plants. See more. Unit 1-8 Learn with flashcards, games, and more — for free.
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.
AP Biology Unit 2: Cell Structure & Function Topics - Cell Structure: Subcellular Components, Cell Structure and Function, Cell Size, Plasma Membranes, Membrane Transport, Facilitated Diffusion, Tonicity and Osmoregulation, Mechanisms of Transport, Cell compartmentalization, Origins of Cell Compartmentalization Directions - For each question ...
Start studying AP Biology Test 2 Study Guide. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Below is our AP Bio unit 2 practice test. From the smallest building blocks of cells to how those structures allow cells to move and nourish themselves, cells are the focus of this unit. These questions will test your knowledge of how substances enter and exit cells and how cellular components are organized. Question 1.
