2013 ap bio mcq

The AP Biology Exam has question types and point values that remain stable and consistent from year to year, so you and your students know what to expect on exam day. Section I: Multiple Choice. 60 Questions | 1 hour 30 Minutes | 50% of Exam Score. Individual questions; Sets of questions with 4–5 questions per set; Section II: Free Response

Since 2017, the passing rate for the AP® Biology exam has remained relatively steady. In 2021, the passing rate was 59.2%, and in 2022, it rose slightly to 67.9%. In 2023, the passing rate for the AP® Biology settled back to 64.4%. The AP® Biology exam is generally one of the most popular AP® exams in the Sciences category.Macroeconomics Practice Exam From the 2013 Administration This Practice Exam is provided by the College Board for AP Exam preparation. Teachers are permitted to download the materials and make copies to use with their students in a classr oom setting only. To maintain the security of this exam, teachers should collect all materials after … e) Water flows upward from the roots to the leaves in plants. b) A water strider can walk across the surface of a small pond. When two atoms are equally electronegative, they will interact to form. a) hydrogen bonds. b) van der Waals interactions. c) polar covalent bonds. d) nonpolar covalent bonds. Free-Response Questions. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at ssd@info ... Jan 23, 2024 · Since 2017, the passing rate for the AP® Biology exam has remained relatively steady. In 2021, the passing rate was 59.2%, and in 2022, it rose slightly to 67.9%. In 2023, the passing rate for the AP® Biology settled back to 64.4%. The AP® Biology exam is generally one of the most popular AP® exams in the Sciences category.

Advertisement In the previous list, you saw that the BIOS checks the CMOS Setup for custom settings. Here's what you do to change those settings. To enter the CMOS Setup, you must ...The one area that can’t be perfectly accurate is how we determined the final predicted scores (College Board doesn’t publish the “cut points” for each scores.) We used old released exams and other calculators to estimate “if you earned this % of points, you would earn this score”: 0-29% = 1. 30-44% = 2. 45-59% = 3.e) Water flows upward from the roots to the leaves in plants. b) A water strider can walk across the surface of a small pond. When two atoms are equally electronegative, they …These types of questions have become more and more common on the AP exam, so it is important to feel comfortable and confident with them. 2023 #6 (data analysis) 2023 #3. 2022 #3 (experiment design) 2021 #1. 2020 #1 parts c-e. Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. Notes on 2020 Exam Sample Question 2. 2020 Question 2 is modified from Free Response Question 4 in the Course and Exam Description, Conceptual Analysis. 2020 Question 2 is a 6-point question that presents students with an authentic scenario describing a biological phenomenon with a disruption. This question assesses students’ ability to do ... Chemicals that are secreted from antigen-presenting cells then activate helper T cells. B. A macrophage cell engulfs a pathogen in the blood. C. Antigens attaching to receptors on memory B cells stimulate the memory B cells to become plasma cells. D. Antigen-presenting cells engulf antigens at the first exposure. AP Biology - 14 Official Full Exam Papers with MCQ from Year 1990 to 2021. $58.00. ADD TO CART. The most effective AP test prep materials. This bundle contains the most comprehensive collection of past AP real test papers with answers. All test papers are ... 2013 Full Exam Paper ...

Figure 1. Melanin synthesis pathway. The peptide hormone α-melanocyte stimulating hormone (α-MSH) activates a signal transduction pathway leading to the activation of MITF. MITF is a transcription factor that increases the expression of the TYR, TRP2, and TRP1 genes (Figure 2). Figure 2. Replace the dry cotton ball with a water-soaked cotton ball. Constant light or temperature or duration of experiment or time of day, etc. Explanation. (1 point maximum) Ensures that glucose is the attractant. Other variables must be held constant. Proposed Improvement (includes but not limited to) Tip 1: Take Detailed Notes. Since you’re taking an advanced biology class, you probably know that taking notes will be important. But in order to get a 5 on the exam, you’ll need to be a detailed note-taker. Detailed note-taking means doing more than just listening and writing down a few key facts that you hear.Ap Bio Unit 3 MCQ study guide. 21 terms. Tia25Maria. Preview. EEMB 7 Midterm 1. 135 terms. april_liang88. Preview. Chapter 17 OB. 36 terms. Maddieelmore13. Preview. AP Biology. 39 terms. alex_gammo. ... AP Biology - Circulation and Respiration Notes. 16 terms. Maia_C_06. Preview. exam 1 lecture 3 pt 1 derivatives of the ectoderm. 21 terms ...1. In an investigation of fruit-fly behavior, a covered choice chamber is used to test whether the spatial distribution of flies is affected by the presence of a substance placed at one end of the chamber. To test the flies’ preference for glucose, 60 flies are introduced into the middle of the choice chamber at the insertion point indicated ...When an AP Exam is administered, psychometric analysis determines the score ranges correspondingwith each AP Exam score (5, 4, 3, 2, and 1) based on a composite score scale that combines and weights the different exam parts. Earning 40-50% of the available points can result in a score of 3 or better on many AP Exams.

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60 of 60. Quiz yourself with questions and answers for AP Bio | 2020 Practice Exam 2 MCQ, 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. 19 Feb 2013 ... ... 2013. http://en.wikipedia.org/wiki/File:Carbonic_anhydrase_reaction_in_tissue.svg. "File:Gasterosteus Aculeatus.jpg." Wikipedia, the Free ...We can analyze the average AP® Biology score more efficiently by considering a multi-year trend. We can refer to the AP® Student Score Distributions, released by the College Board annually. These reports show us that the mean score in 2014 it was 2.91, 2015 was 2.91, 2016 was 2.85, 2017 was 2.90, 2018 was 2.87, 2019 was …Chemistry Practice Exam From the 2012 Administration This Practice Exam from the 2012 international administration is provided by the College Board for AP Exam preparation. Teachers are permitted to download the materials and make copies to use with their students in a classroom setting only. To maintain the security of this exam, teachers …A structure that is 2 layers in thickness. In biology, most often refers to the phospholipid bilayer of membranes. bile. A mixture of substances that is produced in the liver, stored in the gall bladder, and acts as a detergent to aid in the digestion and absorption of fats. binary fission.AP® Biology Practice Exam From the 2015 Administration NOTE: This is a modified version of the 2015 AP Biology Exam. This Practice Exam is provided by the College Board for AP Exam preparation. Teachers are permitted to download the materials and make copies to use with their students in a classroom setting only.

AP Bio Free Response Question Answers for Blood Sugar Homeostasis. 👋 Welcome to the AP Bio Unit 4 FRQ (Blood Sugar Homeostasis) Answers. Have your responses handy as you go through the rubrics to see how you did! ⏱ Remember, the AP Biology exam has 6 free-response questions, and you will be given 90 minutes to … 2008 AP Biology Multiple Choice. 1) The amino acid sequence of cytochrome c is exactly the same in humans and chimpanzees. There is a difference of 13 amino acids between the cytochrome c of humans and dogs, and a difference of 20 amino acids between the cytochrome c of humans and rattle snakes. Figure 1. Melanin synthesis pathway. The peptide hormone α-melanocyte stimulating hormone (α-MSH) activates a signal transduction pathway leading to the activation of MITF. MITF is a transcription factor that increases the expression of the TYR, TRP2, and TRP1 genes (Figure 2). Figure 2.Apr 13, 2017 · The AP® Biology Exam lasts for three hours and is divided into two 90-minute parts: 69 multiple-choice questions and eight free response questions. Section I (multiple-choice) includes 63 discrete questions and questions in sets (Part A) as well as six grid-in discrete questions integrating math and biology concepts (Part B). 2021 MCQ Practice Exam - AP Biology. The CFTR protein is made up of 1,480 amino acids linked together in a chain. Some humans produce a version of the CFTRprotein in which phenylalanine (an amino acid) has been deleted from position 508 of the amino acid chain. Which of the following best predicts how the amino acid deletion will affect the ... AP Chemistry Practice Exam From the 2 016 Administration NOTE: This is a modified version of the 2016 AP Chemistry Exam. This exam ma y no t be posted on school or persona l websites , no r electronically redistribute d fo r an y reason . Thi s Released Exa m is provided by th e Colleg e Boar d for AP Exam preparation . Teacher s ar e permitted to …AP Exam Label PAGE 1 (from Section I Booklet) AP Number Label (from Student Pack) Answer Sheet 2013 B. LEGAL NAME Omit apostrophes, Jr., II. Legal Last Name — First 15 Letters Legal First Name — First 12 Letters MI A A A A A A A A A A A A A A A B B B B B B B B B B B B B B B C C C C C C C C C C C C C C CThe question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question! In addition to words, many question stems will be accompanied by an equation, table, graph or figure. The next question is a typical Stand-Alone. 22. AB+energy→A+B. Which of the following best characterizes the ...Graphite Bio News: This is the News-site for the company Graphite Bio on Markets Insider Indices Commodities Currencies StocksBiology Practice Exam. From the 2013 Administration. This is a modified version of the 2013 AP Biology Exam. This practice exam is provided by the College Board for AP Exam preparation. Exams may not be posted on school or personal websites, nor electronically redistributed for any reason.Study with Quizlet and memorize flashcards containing terms like Which of the following best describes the hydrolysis of carbohydrates?, Which of the following best describes a …

Figure 1. Activity levels of two digestive enzymes over a range of pH. Trypsin and pepsin are enzymes that function in different areas of the digestive tract. One functions in the stomach, where the pH is between 1.5 and 3.5, while the other functions in the small intestines, where the pH is between 6 and 8.

Format of AP Biology MCQ section The first section of the AP Biology exam consists of 60 multiple-choice questions and is worth 50% of your final exam score . This is a huge percentage, but if you know how to approach the different kinds of multiple-choice questions the exam will throw at you, you’ll be able to pass this section with flying colors.Guessing Answers - G.C.E Advanced Level Examination Biology Sinhala medium - MCQ 1st paper Unofficial Answers by BIo Api. Guessing Answers ... GCE A/L 2013 Combined Mathematics PastPaper I,II. January 25, 2022. POPULAR POSTS. 2021 A/L Biology McQ Answers. February 7, 2022.Mac computers are a popular addition to small businesses given their power, reliability and customer service. When dealing with peripheral devices that many small businesses have, ...Directions: 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.1. In an investigation of fruit-fly behavior, a covered choice chamber is used to test whether the spatial distribution of flies is affected by the presence of a substance placed at one end of the chamber. To test the flies’ preference for glucose, 60 flies are introduced into the middle of the choice chamber at the insertion point indicated ...Bluebird Bio Is Not Ready to Fly...BLUE In the fast-paced Lightning Round segment of Mad Money callers get the chance to ask Jim Cramer about stocks they are interested in. One cal...AP Bio exam prep multiple choice examples - 2015. A genetic counselor is consulted by a young man who is worried about developing Huntington's disease, an inherited disorder caused by a dominant allele of a single gene. The young man explains that his cousin was recently diagnosed with Huntington's disease, and the news has caused him to ...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. THE PRINCETON REVIEW AP BIOLOGY PRACTICE TEST 1 281 BIOLOGY Three hours are allotted for this examination: 1 hour and 20 minutes for Section I, which consists of multiple-choice questions, and 1 hour and 40 minutes for Section II, which consists of essay questions. SECTION I Time—1 hour and 20 minutes Number of questions—100 Download file or read online AP past exam paper 2002 AP Biology Exam MCQ Multiple Choice Questions with Answers and FRQ Free Response Questions with Scoring Guidelines - Collegeboard Advanced Placement.

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AP Biology Free Practice Question #1. Researchers studied the activity of mevalonate kinase, an enzyme that may be important for biofuel production. The graph below shows the rate of a reaction as the concentration of ATP is increased while substrate concentration remains constant. The open circles represent data points collected at 30°C and ...Free-Response Questions. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email ...Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email protected]. The ...Practice for the AP Exams. The best way to prepare for an AP Exam is to participate in your AP class. It also helps to set aside consistent study time, complete all assignments from your teacher, and become familiar with the exam by practicing with exam questions created by AP. On AP Central, we release the free-response questions for exams ...AP Biology - Unit 1 Progress Check: MCQ. Figure 1 represents a segment of DNA. Radiation can damage the nucleotides in a DNA molecule. To repair some types of damage, a single nucleotide can be removed from a DNA molecule and replaced with an undamaged nucleotide. Which of the four labeled bonds in Figure 1 could be broken to remove and replace ...This is the 2013 practice test published by the College Board. Includes AP Biology multiple choice, grid-ins, and free response questions. Be sure to review this one! This is the …A structure that is 2 layers in thickness. In biology, most often refers to the phospholipid bilayer of membranes. bile. A mixture of substances that is produced in the liver, stored in the gall bladder, and acts as a detergent to aid in …AP Biology Course and Exam Description. This is the core document for this course. It clearly lays out the course content and describes the exam and the AP Program in general. The CED was updated in the summer of 2020 to include scoring guidelines for the example questions. PDF.The AP Biology exam is three hours long, with two sections that take up an hour and a half each. The multiple-choice section has 60 questions, and the free-response section has six questions. The content of the exam spans four major themes, or Big Ideas, that are central to the course. These include the following:Biology Practice Exam. ####### From the 2013 Administration. This is a modified version of the 2013 AP Biology Exam. This practice exam is provided by the College Board for AP Exam preparation. Exams may not be posted on school or personal websites, nor electronically redistributed for any reason.2.0%. The equation above represents an elementary step in a chemical reaction. Which of the following is the correct expression for the rate law of the elementary step? r = k (NOBr)2. A balloon filled with 0.25 moles He (g) at 273K and 1.0 atm is allowed to rise through the atmosphere. Which of the following explains what happens to the volume ... ….

Gossamer Bio News: This is the News-site for the company Gossamer Bio on Markets Insider Indices Commodities Currencies Stocks3. Differential distribution of ions across the axonal membrane. 1, 2, and 3. The Krebs cycle in humans releases. carbon dioxide. a heterotroph. obtains its energy by catabolizing organic molecules. Regarding meiosis and mitosis, one difference between the two forms of cellular reproduction is that in meiosis.AP Statistics Free-Response Practice Test 2: One-Variable Data Analysis. AP Statistics Free-Response Practice Test 3: Two-Variable Data Analysis. AP Statistics Free-Response Practice Test 4: Two-Variable Data Analysis. AP Statistics Free-Response Practice Test 5: Design of a Study: Sampling, Surveys, and Experiments.A. An enzyme that transcribes a new RNA chain by linking ribonucleotides to nucleotides on a DNA template. B. A protein that prohibits gene transcription. C. A nucleotide sequence in DNA that is the binding site of RNA polymerase, positioning the RNA polymerase to begin transcription at the appropriate position. D. To retard the breakdown of the catalase. The following questions refer to an experiment that is set up to determine the relative volume of O2 consumed by germinating and nongerminating (dry) pea seeds at two different temperatures. The change in volume is detected by using a respirometer over a given period of time. This is a modified version of the 2013 AP Biology Exam. This practice exam is provided by the College Board for AP Exam preparation. Exams may not be posted on school or personal websites, nor electronically redistributed for any reason. Teachers are permitted to download the materials and make copies to use with the students in a classroom ... Study with Quizlet and memorize flashcards containing terms like Which of the following best describes the processes occurring between the mouse populations and their environments?, Which of the following best explains the relationship between coat color and predation rate in the rock pocket mouse population on the lava flow rocks with respect to the different coat color phenotypes?, Based on ...AP Biology Practice Test 2: Common Ancestry pdf download. AP Biology Practice Test 3: Life Continues to Evolve pdf download. AP Biology Practice Test 4: Origin of Living Systems pdf download. AP Biology Practice Test 5: Matter & Energy pdf download. AP Biology Practice Test 6: Internal Environments pdf download. 2013 ap bio mcq, This is a PDF package of the official AP Biology 2018 full Exam, complete with all sections including: 1. SECTION I: Multiple Choice (Part A & B) 2. SECTION II: Free Response 3. Answer Key You can obtain full PDF package of the official AP Biology 2018 full exam here. Below is a preview of each sections SECTIO., Ap Bio Unit 5: MCQ progress check. For sexually reproducing diploid parent cells, which of the following statements best explains the production of haploid cells that occurs in meiosis but not in mitosis? Click the card to flip 👆. Separation of chromatids occurs once, and there are two rounds of cell division in meiosis. Click the card to ..., Multiple Choice Questions on Cell and Molecular Biology. 1. A human cell containing 22 autosomes and a Y chromosome is. a) A sperm. b) An egg. c) A somatic cell of a female. d) A somatic cell of a male. 2. If the DNA content of a diploid cell in the G 1 phase of the cell cycle is X, then the DNA content of the same cell at metaphase of meiosis ..., Directions: 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 Practice Exam From the 2 016 Administration NOTE: This is a modified version of the 2016 AP Biolo gy Exam. This exam ma y no t be posted on school or persona l websites , no r electronically redistribute d fo r an y reason . Thi s Released Exa m is provided by th e Colleg e Boar d for AP Exam preparation . Teacher s ar e permitted to download th e material s an d mak e copies to use ..., Microeconomics Practice Exam From the 2013 Administration This Practice Exam is provided by the College Board for AP Exam preparation. Teachers are permitted to download the materials and make copies to use with their students in a classr oom setting only. To maintain the security of this exam, teachers should collect all materials after …, 2012 AP. BIOLOGY FREE-RESPONSE QUESTIONS. -4-. 4. The element carbon is contained in all organic compounds. (a) Discuss. the role of photosynthesis and cellular respiration in carbon cycling in the biosphere. (b) For THREE of the following,, Jan 23, 2024 · Since 2017, the passing rate for the AP® Biology exam has remained relatively steady. In 2021, the passing rate was 59.2%, and in 2022, it rose slightly to 67.9%. In 2023, the passing rate for the AP® Biology settled back to 64.4%. The AP® Biology exam is generally one of the most popular AP® exams in the Sciences category. , In addition to the AP Biology Practice Tests and AP Biology tutoring, you may also want to consider taking some of our AP Biology Diagnostic Tests. The AP Biology exam is divided into two sections. The first section consists of 63 multiple-choice questions and 6 mathematical grid-in responses. The multiple-choice questions are mostly ..., The question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question! In addition to words, many question stems will be accompanied by an equation, table, graph or figure. The next question is a typical Stand-Alone. 22. AB+energy→A+B. Which of the following best characterizes the ..., 2008 AP Biology Multiple Choice. 1) The amino acid sequence of cytochrome c is exactly the same in humans and chimpanzees. There is a difference of 13 amino acids between the cytochrome c of humans and dogs, and a difference of 20 amino acids between the cytochrome c of humans and rattle snakes. , THE PRINCETON REVIEW AP BIOLOGY PRACTICE TEST 1 281 BIOLOGY Three hours are allotted for this examination: 1 hour and 20 minutes for Section I, which consists of multiple-choice questions, and 1 hour and 40 minutes for Section II, which consists of essay questions. SECTION I Time—1 hour and 20 minutes Number of questions—100 , Below are two different practice exams. The Review Guide Practice Exam has all of the questions from 2012 CED & 2020 CED. The 2013 AP Bio Practice Exam is the nationally released AP Practice Exam. (Note: They both are based on the old CED so there are questions that are no longer applicable). Review Guide Practice Exam., Are humans separate from chimps and other apes? Learn what separates us from chimps. Advertisement Human beings see themselves in everything. We establish emotional connections to ..., » Do AP Biology Practice Tests » Download AP Biology Practice Tests » Best AP Biology Books; More AP Tests. AP Biology Test 1; AP Biology Test 2; AP Biology Test 3; AP Biology Test 4; AP Biology Test 5; AP Biology Test 6; AP Biology Test 7; AP Biology Test 8; AP Biology Test 9; AP Biology Test 10; AP Biology Test 11; AP Biology Test 12; AP ..., Writing Time----- -80 minutes. Directions: Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6–8 are worth 3 points each., Figure 1. Melanin synthesis pathway. The peptide hormone α-melanocyte stimulating hormone (α-MSH) activates a signal transduction pathway leading to the activation of MITF. MITF is a transcription factor that increases the expression of the TYR, TRP2, and TRP1 genes (Figure 2). Figure 2., AP Bio 2013 released test (mackies) Flashcards | Quizlet. 4.1 (7 reviews) 1. A dog is following the scent of a jack rabbit. Which if the following accurately describes how the …, Study with Quizlet and memorize flashcards containing terms like Humans produce sweat as a cooling mechanism to maintain a stable internal temperature., This is a modified version of the 2013 AP Biology Exam. This practice exam is provided by the College Board for AP Exam preparation. Exams may not be posted on school or personal websites, nor electronically redistributed for any reason., AP Biology Practice Test : Diversity of Organisms- Five Kingdom Classification. Tags: biology practice test cell wall cilia coralloid roots Cycas Euglena flagella protist cell. Previous Post Next Post., Below are two different practice exams. The Review Guide Practice Exam has all of the questions from 2012 CED & 2020 CED. The 2013 AP Bio Practice Exam is the nationally released AP Practice Exam. (Note: They both are based on the old CED so there are questions that are no longer applicable). Review Guide Practice Exam., The AP Biology exam is three hours long, with two sections that take up an hour and a half each. The multiple-choice section has 60 questions, and the free-response section has six questions. The content of the exam spans four major themes, or Big Ideas, that are central to the course. These include the following:, All computer systems go through a set of instructions called the Basic Input/Output System (BIOS) when they are turned on. The BIOS checks all of the hardware and software installe..., 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., Free-Response Questions. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email ..., Jun 4, 2021 · The question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question! In addition to words, many question stems will be accompanied by an equation, table, graph or figure. The next question is a typical Stand-Alone. 22. AB+energy→A+B. Which of the following best characterizes the ... , Study with Quizlet and memorize flashcards containing terms like Which of the following claims about the TYR, TRP2, and TRP1 mammalian genes is most likely to be accurate? A) The TYR, TRP2, and TRP1 genes are located next to each other on a single chromosome and are organized into an operon. B) The TYR, TRP2, and TRP1 genes may be located …, 36 of 36. Quiz yourself with questions and answers for AP Bio Unit 8 Test, 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., Figure 1. Melanin synthesis pathway. The peptide hormone α-melanocyte stimulating hormone (α-MSH) activates a signal transduction pathway leading to the activation of MITF. MITF is a transcription factor that increases the expression of the TYR, TRP2, and TRP1 genes (Figure 2). Figure 2., Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email protected]. The ..., AP Macroeconomics Practice Exam F rom the 2 014 Administration This Practic e Exa m is provided by the Colleg e Boar d fo r AP Exam preparation . Teacher s ar e permitted to download the material s an d mak e copies to use wit h thei r student s in a classroo m settin g onl y. T o maintai n th e securit y of this exam , teacher s shoul d collec t al l …, A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration. B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis. C) Evidence that some of the earliest organisms carried out photosynthesis without producing oxygen.