Ap biology unit 3 practice test

Researchers hypothesize that the plant compound resveratrol improves mitochondrial function. To test this . hypothesis, researchers dissolve resveratrol in dimethyl sulfoxide (DMSO). The solution readily passes through cell membranes. They add the resveratrol solution to mammalian muscle cells growing in a

Ap biology unit 3 practice test. Biotechnology. A researcher used polymerase chain reaction (PCR) to test four individual diploid nematodes for the presence of a mutation in Gene Y. The researcher designed the reaction so that the DNA fragments amplified from wild type and mutant alleles are 350 and 250 base pairs long, respectively. To identify the genotypes of the individual ...

Welcome to Unit 5 AP Biology Multiple Choice Questions! Grab some paper and a pencil 📄 to record your answers as you go. You can see how you did on the Unit 5 Practice Questions Answers and Review sheet once you're done. Don't worry, we have tons of resources available if you get stumped 😕 on a question. ... Facts about the test: The AP ...

View AP-Biology_-Unit-3-Cell-Communication-and-Cell-Cycle-Practice-Test.pdf from MATH 3525 at Community College of City University. AP Biology: Unit - 3 - Cell Communication and Cell Cycle Practice ... AP Biology Practice Test 13 Cell Communication.pdf. Solutions Available. No School. AA 1. Test_ AP Biology Cell Communication Review _ Quizlet.pdf.A difference in the concentration of a substance across a distance. membrane potential. The voltage of a plasma membrane. thermoregulation. Process of maintaining an internal temperature within a tolerable range. Study with Quizlet and memorize flashcards containing terms like entropy, endergonic reaction, exergonic reaction and more.A. Both systems act very quickly to relay information to various parts of the body. B. Both systems send impulses directly to a specific part of the body as an impulse that targets specific cells. C. In both systems information can be received by various cells in different organs and in different parts of the body. D.Academy. News. January 3, 2022. Boost confidence and prep for the AP® exams in style with Barron's on Kahoot! Academy. This exciting new collection of kahoots from Barron's, now available for free on Kahoot! Academy, makes it easy for high school educators and students to reinforce learning and bring study sessions to life! Nearly anyone ...AP®︎/College Biology 10 units · 54 skills. Unit 1 Chemistry of life. Unit 2 Cell structure and function. Unit 3 Cellular energetics. Unit 4 Cell communication and cell cycle. Unit 5 Heredity. Unit 6 Gene expression and regulation. Unit 7 Natural selection. Unit 8 Ecology.5) lagging strand grows in 3' to 5' direction away from the replic­ation fork by the addition of okazaki fragments 6) DNA ligase seals together okazaki fragments (short segments of DNA that grow 5' to 3' that are added onto the lagging strand)Suggested Time Limit: 180 minutes This AP Biology practice exam is 3 hours long and has two sections — multiple choice and free response. 66 questions. Not started. Multiple Choice. ... AP® Biology | Unit 3 Assessment. Suggested Time Limit: 60 minutes This assessment tests standards from Unit 3 only. A four-function calculator should be ...Practice Questions. ... Put your AP Bio: Unit 2 knowledge to the test!Understand what topics you need to study more. Start Quiz. Additional Resources. Study Tools. Download the 2024 AP Biology Cheat Sheet PDF. 1 min read. 2024 AP Biology Exam Guide.

AP Biology Unit 3-Cells (Chapters 6&7) Practice Test 1. Which of the following is true of both mitochondria and chloroplasts? (A)They are found in the cells of eukaryotic autotrophs and heterotrophs (B)They include stacks of membranes that absorb light (C) They include compartments where hydrogen ions are concentrated (D)They produce sugars using energy harvested in the cytoplasm (E) They ...And through taking AP Exams, students can earn college credit and placement. AP STUDENTS. Students: See Where AP Can Take You. Explore AP courses, discover free online resources to help you learn in any environment, get exam practice, and find colleges that grant credit for AP. Visit AP Students; Go to Course Index;mitochondria per unit area of a cell. (d) The leaves of a particular plant species are typically green, but scientists notice a plant in which the leaves have white stripes. They determine that the stripes result from a mutation in mitochondrial DNA that interferes with the development of chloroplasts.AP Biology Unit 3 FRQ Exam Prep. 20 terms. auntieem5. AP Biology Unit 3 Cellular Energetics. 25 terms. vallerycontreras26. AP Biology | Unit 4 MCQ Practice Questions ...Unit 4: Genetics. Advanced Genetics. Beginner's Guide to Punnett Squares. Cell Cycle, Mitosis & Meiosis. Chromosomal Genetics. Chromosomal Inheritance. Comparing DNA Sequences. DNA & RNA - Part 1.

Practice Questions. ... Put your AP Bio: Unit 8 knowledge to the test!Understand what topics you need to study more. Start Quiz. Additional Resources. Study Tools. Download the 2024 AP Biology Cheat Sheet PDF. 1 min read. 2024 AP Biology Exam Guide.Monosaccharides. Have a chemical formula of C6H12O6. They are the simplest sugar and carbohydrate. Disaccharides. Have a chemical formula of C16H22O11. They consist of two monosaccharides minus a water molecule, because of dehydration synthesis. Polysaccharides. Macromolecules, polymers of carbohydrates.When caspase-1 cleaves gasdermin (step 3), the N-terminal portions of several gasdermin proteins associate in the cell membrane to form large, nonspecific pores.Practice Questions. ... 2024 AP Biology Exam Guide. ... AP Biology Cram Unit 3: Cellular Energetics. written by Jessica Nadzam. AP Cram Sessions 2020. Unit 1 - Chemistry of Life. written by Caroline Koffke. Unit 1 - Chemistry of Life Slides. written by Caroline Koffke.A. Both systems act very quickly to relay information to various parts of the body. B. Both systems send impulses directly to a specific part of the body as an impulse that targets specific cells. C. In both systems information can be received by various cells in different organs and in different parts of the body. D.

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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.May aid in the transport of materials from one side of the membrane to the other. B. Membrane proteins of adjacent cells may hook together in various kinds of junctions. C. May be an enzyme or series of enzymes involved in metabolic pathways. D. May be a membrane carbohydrate used for cell-to-cell recognition. Question 15. AP Biology Unit 3: Cellular Energetics Topics - Enzyme Structure, Enzyme Catalysis, Environmental Impacts on Enzyme Function, Cellular Energy, Photosynthesis, Cellular Respiration, Fitness Directions - For each question, choose the best answer (unless otherwise stated) Test Period - You have 30 minutes to answer 40 questionsQuestions 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. Read each question carefully and completely.AP BIO UNIT 3 EXAM Flashcards Quizlet ap bio unit exam leave the first rating terms in this set (58) what is the term for metabolic catabolic pathways pathways ... Principles of Biology Unit 3 Exam Flashcards Quizlet; Other related documents ... Chapter 20 Review Questions; Chem 1412 Final Sample Questions; exam practice questions and answers ...

Biology Practice Exam. Try this free biology practice test to see how prepared you are for a biology exam. Whether you are in high school or college, you are likely to have a biology requirement. Biology tests cover such subjects as the chemistry of life, evolution, genetics and ecology. For a more comprehensive study of biology, try our 400 ...AP Biology Unit 4: Cell Communication & Cell Cycle Topics - Cell Communication, Introduction to Singal Transduction, Singal Transduction, Changes to Signal Transduction Pathways, Feedback, Cell Cycle, Regulation of Cell Cycle Directions - For each question, choose the best answer (unless otherwise stated) Test Period - You have 22 minutes 30 seconds to answer 30 questionsUnit 1 Biology foundations. Unit 2 Cells. Unit 3 Energy and transport. Unit 4 Reproduction and cell division. Unit 5 Classical genetics. Unit 6 Molecular genetics. Unit 7 Evolution. Unit 8 Human body systems. Unit 9 Ecology.500+ Exam-Like Questions. Realistic questions mimic the style and difficulty of the AP Biology exam. Organized in the same way as the AP Biology course, so you learn as you go, all year long. Prepares you to excel on quizzes, unit tests, and the AP exam.Title: Test Prep Series: Biology to accompany Campbell Biolo Server: Jobs K Short / Normal S4carliDESIGN SERVICES OFSle Publishing Services Part I: Introduction to the AP Biology Examination 1 Part II: A Review of Topics with Sample Questions 31 ToPic 1 The Chemistry of Life 33 ToPic 2 The Cell 47 ToPic 3 Respiration and Photosynthesis 77glucose, takes 2 ATP to get going, 2 NAD+. Outputs: 2 pyruvate molecules, net 2 ATP, 2 NADH. Study with Quizlet and memorize flashcards containing terms like Describe the enzyme mediated process., Identify TWO environmental factors the impact enzymatic activity., Explain the effect of the two factors you identified. and more.Researchers hypothesize that the plant compound resveratrol improves mitochondrial function. To test this . hypothesis, researchers dissolve resveratrol in dimethyl sulfoxide (DMSO). The solution readily passes through cell membranes. They add the resveratrol solution to mammalian muscle cells growing in aAP BIOLOGY. Homework. Unit 1 Resources. Unit 2 Resources. Unit 3 Resources. Unit 4 Resources. Unit 5 Resources. Unit 6 Resources. Unit 7 Resources. USEFUL AP EXAM RESOURCES. Parent Page. SAT II Information. ... Sitemap. AP BIOLOGY‎ > ‎ Unit 3 Resources. Textbook Resources: Chapters 8 and 9 **A Practice Test Has been POSTED below** (Unit 3 ...Monosaccharides. Have a chemical formula of C6H12O6. They are the simplest sugar and carbohydrate. Disaccharides. Have a chemical formula of C16H22O11. They consist of two monosaccharides minus a water molecule, because of dehydration synthesis. Polysaccharides. Macromolecules, polymers of carbohydrates.Unit 4 Cell communication and cell cycle. Unit 5 Heredity. Unit 6 Gene expression and regulation. Unit 7 Natural selection. Unit 8 Ecology. Unit 9 Worked examples of AP®︎ Biology free response questions. Unit 10 AP®︎ Biology standards mappings. Course challenge. Test your knowledge of the skills in this course.

In the given figure, a cube of edge length L=0.600 m and mass 450 kg is suspended by a rope in an open tank of liquid of density 1030 \mathrm {~kg} / \mathrm {m}^3 1030 kg/m3. Find (a) the magnitude of the total downward force on the top of the cube from the liquid and the atmosphere, assuming atmospheric pressure is 1.00 \mathrm {~atm} 1.00 atm.

Questions on the AP Biology exam will frequently ask students to analyze the results of a given experimental setup. 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. AP Biology Unit 3 Exam. 29 terms. Sebassdeleon. AP Biology Unit 3 Practice Test Questions. 23 terms. sarahbrown619. Unit 3 AP Bio Test. 63 terms. Images. amyalv. …A. Apoptosis, a special type of cell division, requires multiple cell signaling. B. The fact that apoptosis is widespread across several kingdoms is evidence that it evolved early in the evolution of eukaryotes. C. Apoptosis plays a crucial role in the development of fingers in embryonic development.AP Biology: Unit – 1 - Ecology Practice Test Question 1 An individual belonging to a specific species A. Biotic B. Community C. Organism D. Reptile Question 2 All of the living and nonliving things in an area that interact with each other are called a/an _____. A. community B. habitat C. population D. ecosystem Question 3Welcome to Unit 5 AP Biology Multiple Choice Questions! Grab some paper and a pencil 📄 to record your answers as you go. You can see how you did on the Unit 5 Practice Questions Answers and Review sheet once you're done. Don't worry, we have tons of resources available if you get stumped 😕 on a question. ... Facts about the test: The AP ...Option 1: 10-Hour AP Biology Study Plan. Analyze your mistakes on the diagnostic test: 1.5 hours. Study relevant content areas and revise test-taking strategies: 2 hours. Take and score another practice test: 4 hours. Analyze your mistakes on the second practice test: 1.5 hours.Discover the best software QA company in the United States. Browse our rankings to partner with award-winning experts that will bring your vision to life. Development Most Popular Emerging Tech Development Languages QA & Support Related art...AP Biology Free Practice Question #2. Human red blood cells lack mitochondria. Which of the following correctly explains the primary pathway that red blood cells use to produce energy? A: Red blood cells generate ATP and NADH via aerobic respiration. B: Red blood cells generate ATP and NADH via anaerobic fermentation.Are you looking to improve your typing speed and accuracy? Look no further. With the advent of technology, there are numerous online resources available that offer free typing test practice. These resources can help you enhance your typing ...

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Mar 1, 2022 · The 6 Science Practices AP® Biology Promotes. The Big Ideas of AP® Biology. AP® Biology Practice Tests. Unit 1: Chemistry of Life. Unit 2: Cell Structure and Function. Unit 3: Cellular Energetics. Unit 4: Cell Communication and Cell Cycle. Unit 5: Heredity. Unit 6: Gene Expression and Regulation. AP Biology Unit 3: Cellular Energetics Practice Test (Multiple Choice) Flashcards | Quizlet AP Biology Unit 3: Cellular Energetics Practice Test (Multiple Choice) 4.2 (30 reviews) Enzymes are often referred to as being "highly specific" (also referred to as enzyme specificity), meaning... a.1 / 23 The electronegative atom is reduced Click the card to flip 👆 Flashcards Learn Test Match Created by sarahbrown619 Terms in this set (23) When electrons move closer to an electronegative atom The electronegative atom is reduced ATP made in glycolysis comes from Substrate level phosphoriliationThe AP Biology Exam 2023 is a comprehensive test that covers the study of living organisms. Students taking the course will explore topics such as biological diversity, evolution, and cellular physiology. The exam is a challenging college-level course that can prepare students for advanced college courses and earn them credits. May 10, 2023 · Study Guides by Unit. 🧪 Unit 1 – Chemistry of Life. 🧬 Unit 2 – Cell Structure & Function. 🔋 Unit 3 – Cellular Energetics. 🦠 Unit 4 – Cell Communication & Cell Cycle. 👪 Unit 5 – Heredity. 👻 Unit 6 – Gene Expression & Regulation. 🦍 Unit 7 – Natural Selection. 🌲 Unit 8 – Ecology. a. it is not ethical to study human brains. b. human brains are too complex to study meaningfully. c. the same principles govern neural functioning in all. species. d. it is too expensive to study human brains. e. the technology is still being developed for the study of. human brains. Click the card to flip 👆. c.A bond is broken at the sugar and phosphate to create a Nitrogen Base plus a Sugar bond. How are the equations for cellular respiration and photosynthesis similar? The products and reactants are the same. The products and reactants are on different sides. Already have an account? Unit 3 AP Biology Test quiz for 9th grade students.The 2021 AP Biology exam will test students on the whole course content regardless of the version of the exam they take — traditional or digital — so be prepared to answer questions on these topics: Unit 1: Chemistry of Life. Unit 2: Cell Structure and Function. Unit 3: Cellular Energetics.1 pt How does a cell use energy from ATP? Bonds are broken between the second and third phosphate to create ADP. A bond is broken at the sugar and phosphate to create a Nitrogen Base plus a Sugar bond. Multiple Choice 30 seconds 1 pt Aero = heat air space energy Multiple Choice 30 seconds 1 pt🧬 Unit 3 study guides written by former AP Bio students to review Cellular Energetics with detailed explanations and practice questions. ... 🗓️ Previous Exam Prep. ... and use of energy in cells. In the context of AP Biology, cellular energetics typically refers to the production of ATP (adenosine triphosphate) through cellular ... ….

Study with Quizlet and memorize flashcards containing terms like FRQ #1: Describe the processes of fat, carbohydrate, and protein digestion and product absorption as they occur in the human mouth, stomach and small intestine. Include a discussion of the enzymatic reactions involved and accessory organs that produce them., FRQ #2: The unique properties (characteristics) of water make life ...AP BIOLOGY. Homework. Unit 1 Resources. Unit 2 Resources. Unit 3 Resources. Unit 4 Resources. Unit 5 Resources. Unit 6 Resources. Unit 7 Resources. USEFUL AP EXAM RESOURCES. Parent Page. SAT II Information. ... Sitemap. AP BIOLOGY‎ > ‎ Unit 3 Resources. Textbook Resources: Chapters 8 and 9 **A Practice Test Has been POSTED below** (Unit 3 ...In the context of AP Biology, cellular energetics typically refers to the production of ATP (adenosine triphosphate) through cellular respiration and photosynthesis. In cellular respiration, glucose is broken down through a series of reactions to produce ATP, which is then used by cells to power various cellular processes.During aerobic respiration what directly donates electrons at the lowest energy level. FADH2. The pH of the inner thylakoid space relates to the pH of the stroma how? The thylakoid has a lower pH. Plants still use mitocondria for oxidation of pyruvate in what part of the cells. All cells all the time.May aid in the transport of materials from one side of the membrane to the other. B. Membrane proteins of adjacent cells may hook together in various kinds of junctions. C. May be an enzyme or series of enzymes involved in metabolic pathways. D. May be a membrane carbohydrate used for cell-to-cell recognition. Question 15.Unit 3 - Cellular Energetics Slides. C. written by Caroline Koffke. See All ( 23) Fiveable is best place to study for your AP® exams. Free AP Biology study guides for Unit 7 – Natural Selection.glucose, takes 2 ATP to get going, 2 NAD+. Outputs: 2 pyruvate molecules, net 2 ATP, 2 NADH. Study with Quizlet and memorize flashcards containing terms like Describe the enzyme mediated process., Identify TWO environmental factors the impact enzymatic activity., Explain the effect of the two factors you identified. and more.AP®︎/College Biology 10 units · 54 skills. Unit 1 Chemistry of life. Unit 2 Cell structure and function. Unit 3 Cellular energetics. Unit 4 Cell communication and cell cycle. Unit 5 Heredity. Unit 6 Gene expression and regulation. Unit 7 Natural selection. Unit 8 Ecology.Unit 1: Chemistry of life 0/500 Mastery points Structure of water and hydrogen bonding Elements of life Introduction to biological macromolecules Properties, structure, and function of biological macromolecules Nucleic acids Unit 2: Cell structure and function 0/800 Mastery points Ap biology unit 3 practice test, Unit test. Loading... Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere., Unit 3 Test Review Cell Energy. Multiple Choice •An organism that makes its own food is called a/an _____. A. Heterotroph B. Autotroph C. Eukaryote D. Prokaryote •B. Multiple Choice ... C. 3 D. 4 •C. Multiple Choice •When a cell has available energy, it can store small amounts, 8.8%. You can earn a passing score on the AP Biology exam by scoring a 3 or higher on test day. Roughly 65% of students who took the test last year passed. The average score on the AP Bio exam for 2019 was a 2.92. For more information on AP exam score distributions, check out our post on the easiest and hardest AP Exams., Hazleton Area School District / Overview, The AP Biology Exam 2023 is a comprehensive test that covers the study of living organisms. Students taking the course will explore topics such as biological diversity, evolution, and cellular physiology. The exam is a challenging college-level course that can prepare students for advanced college courses and earn them credits. , Cellular energetics is the study of the production, distribution, and use of energy in cells. In the context of AP Biology, cellular energetics typically refers to the production of ATP (adenosine triphosphate) through cellular respiration and photosynthesis. In cellular respiration, glucose is broken down through a series of reactions to ..., AP Biology: Unit - 1 - Ecology Practice Test. Question 1 An individual belonging to a specific species A. Biotic B. Community C. Organism D. Reptile. Question 2 All of the living and nonliving things in an area that interact with each other are called a/an _____. A. community B. habitat C. population D. ecosystem. Question 3 An area where an organism finds food, shelter and water in a ..., AP Biology Free Practice Question #3. In an emergency, a doctor can replace a patient’s blood plasma with a solution of 5% human albumin and 0.9% NaCl. A pharmacist does not have ready-made 5% albumin solution and decided to use a 25% albumin solution instead. He mixed 1 part of the 25% solution with 4 parts of sterile distilled water., AP® Biology | Unit 8 Assessment. This assessment tests standards from Unit 8 only. A four-function calculator should be available for you to use while taking this assessment. 23 questions. Not started. Review the processes and principles behind living organisms and their ecosystems through exam prep practice questions on scientific inquiry and ..., Pre-AP Biology Course Guide is a comprehensive document that outlines the goals, structure, and content of the Pre-AP Biology course. It provides teachers with guidance on how to implement the Pre-AP instructional approach, which emphasizes critical thinking, evidence-based writing, and inquiry-based learning. It also includes sample assessments and rubrics that align with the Pre-AP standards ..., Proteins are organic macromolecules built up of amino acids joined by peptide bonds. Amino acids are monomers made up of a carboxyl group, an amine group, and an R group attached to a central carbon. There are four increasingly complex levels of protein structure. Primary structure is the linear sequence of amino acids., Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. ... AP®︎/College Biology > Unit 7. Lesson 1: Natural selection. Introduction to evolution and natural ..., Welcome to Unit 4 AP Biology Multiple Choice Questions! Grab some paper and a pencil 📄 to record your answers as you go. You can see how you did on the Unit 4 Practice Questions Answers and Review sheet once you're done. Don't worry, we have tons of resources available if you get stumped 😕 on a question. ... Facts about the test: The AP ..., AP Government Practice Exams. We have links to all of the online AP US Government & Politics practice exams. The test has been completely revised for the 2018-2019 school year, so make sure you are using updated resources. Choose an AP Gov practice test to start your test prep right now!, 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 ..., AP Biology: Plants Multiple-Choice Practice Test. AP Biology Free-Response Practice Test 1 Pdf Download. AP Biology: Chemistry Multiple-Choice Practice Test Pdf Download. This ap biology practice test contains 11 questions with answers and explanations., B. Cells divide one time in the cell cycle. Cells divide two times in meiosis. C. The cell cycle produces cells genetically identical to the parent cell. Meiosis produces cells genetically different from the parent and from each other. D. In the cell cycle, crossing over takes place during metaphase., 4. VERY GOOD COMPLETE DOCUMENT FOR 2019-2020 AP EXAM PREP--organized by unit with links to key concepts and practice questions: *Complete Exam Review by Units 5. GREAT MODULE ON TIPS FOR WRITING FREE RESPONSES: FRQ Tips and Examples. 6.SLIDES WITH LINKS TO VIDEOS AND RESOURCES FOR EACH UNIT (organized by AP BIO curriculum): UNIT 1--CHEMISTRY OF ..., Page 3 AP Biology: 2013 Exam Review d. Nucleic acids - C, H, O, N (1) Monomer= nucleotide, 2 = dinucleotide, 2 or more polynucleotide ... 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Section A consists of 60 multiple-choice questions and is 1 hour and 30 minutes long. It weighs 50% of the total score. Section B consists of 6 free-response questions and is 1 hour and 30 minutes long. , 12 questions. 1. Villi and microvilli are present in the small intestine and aid in reabsorption by. A. increasing the surface area of the small intestine. B. decreasing the surface area of the small intestine. C. making the small intestine more hydrophilic. D. making the small intestine more hydrophobic. 2. Which of the following does NOT take ..., Option 1: 10-Hour AP Biology Study Plan. Analyze your mistakes on the diagnostic test: 1.5 hours. Study relevant content areas and revise test-taking strategies: 2 hours. Take and score another practice test: 4 hours. Analyze your mistakes on the second practice test: 1.5 hours., Unit test. Loading... Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. 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The exam has a multiple-choice and free-response section that assesses the ..., AP Biology: Unit - 3 - Cellular Energetics Practice Test Question 1: Both the light reactions and the Calvin cycle of photosynthesis take place in what plant cell organelle? A. the nucleus B. the mitochondria C. the ribosome D. the chloroplast, 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. Read each question carefully and completely. , The AP Biology Exam is 3 hours long and is divided into two sections: Section I (multiple-choice questions) and Section II (free-response questions). The AP biology exam assesses content from each of four big ideas for the course:, 5) lagging strand grows in 3' to 5' direction away from the replic­ation fork by the addition of okazaki fragments 6) DNA ligase seals together okazaki fragments (short segments of DNA that grow 5' to 3' that are added onto the lagging strand), AP Biology Math Review. Be sure to check out these 15 grid-in practice problems. Does a great job of covering the most important math concepts. It's a PDF file and includes detailed solutions! A complete listing of all the best AP Biology practice tests. Hundreds of free practice questions covering all AP Bio topics.