he following diagram shows energy transformations within a cell. 2023 Fiveable Inc. All rights reserved. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. AP Biology Free Practice Question #2 Dichlorophenolindophenol (DPIP), an electron acceptor that changes from blue to clear when reduced, can be used to visually determine the rate of photosynthesis. One thing that helps cells to be able to take care of different processes inside the cell is the membrane and organelles that have membranes as well. Civil Rights SAQ. The transport of GLUCOSE molecules against a concentration gradient. D. the Calvin cycle produces both sugar and O2. Dig into the structure and function of DNA, a theme that will recur through this course. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. Which of the graphs below best represents the predicted change in mass over time of the dialysis bag in the beaker to which albumin was added? Some carbon dioxide is added to the hot carbon and The molecules does not contain OH\mathrm{O}-\mathrm{H}OH bonds. If you're seeing this message, it means we're having trouble loading external resources on our website. Quizlet NAME 20 Multiple choice questions 1. What are they called? Preview this quiz on Quizizz. AP Biology is an introductory college-level biology course. C. determining when in the life cycle fertilization occurs. Life cycles are characterized by the timing of meiosis and the characteristics of the diploid and haploid generations. Begin your AP Biology journey with an introduction to the basic building blocks and necessary components of life: water, necessary elements, and biological macromolecules. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. After the completion of glycolysis, the rest of cellular respiration occurs in the mitochondria, given that oxygen is present. Hufflepuff_Hamilton. Unit 2 of AP Biology covers cell structure and function. mark mester engaged You are allowed to use this resource on the AP Biology Exam. What is the value of KpK_pKp? (Click on the image to see a larger version) Check out the AP Bio Unit 2 Replays or watch the 2021 Unit 2 Cram. Which prediction of the effect of this disruption of cellular compartmentalization is most likely correct? AP Environmental Science Unit 1 Progress Check: MCQ Term 1 / 18 Six white-tailed deer Unit 3 progress check mcq ap lang answers About Apes Frq Unit 6. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. AP Biology Unit 6 2021. a year ago by . Which of the following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? At the instant shown, what is the angular A. Radiant energy in the form of photons When beetroot cells are placed in a solution with cellulase, the solution remains clear. A) Function will be disrupted by adding the urea and regained by removing the urea. Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. c. How will the equilibrium system respond if additional Cluster Hires in Carbon Electronics at NC State University in . Which of the following functions is this cell type most likely specialized to perform? These two equations are used to find the solute concentration inside a cell and the tendency that water will leave the cell. The movement of molecules across the plasma membrane occurs through a process called membrane transport. This unit is all about the cell and parts of the cell! A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration C. The pH of the cell will denature the hydrolytic enzymes. Based on the data from graph 3-1, scientists claim that the reproductive behavior of European flycatchers is influenced by the availability of energy sources. Water will rush into the lysosome causing it to burst. D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. The Course challenge can help you understand what you need to review. AP Bio Unit 2: Cell Structure and Function Cheat Sheet by. Two cellular organelles are represented by the letters A and B. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes, D. Golgi complex, mitochondria, chloroplast. Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. Which of the following models shows how cholesterol molecules most likely interact with the phospholipid by layer of a cells plasma membrane? The cecum is a portion of the large intestine located near the junction of the small intestine and the large intestine. A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. Which of the following best predicts the immediate result of adding more substrate to the reaction mixture at the point indicated by the arrow in Figure 3-3? Exam Date: may 2, 2022. The picture is an example of. A.Ribosomes, cell membranes, nucleic acids, B. Based on the information provided, Gaucher disease results most directly from a defect in the function of which of the following organelles? Metformin activates AMPK in liver cells but cannot cross the plasma membrane. C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. A. The valinomycin treatment caused a decrease in the activity of the mitochondria. CA Privacy Policy, A. light reactions produce sugar, while the Calvin cycle produces O, D. the Calvin cycle produces both sugar and O, Test Your Skills, Take a Practice AP Biology Quiz. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. B. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. Systems Interactions AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. pressure in the system is 6.406.406.40 atmatmatm, what are the partial pressures A) The uncoupling protein in this tissue increases the production of ATP and causes more body heat to be produced to warm the animal. Now, heat is transferred to refrigerant-134a until the temperature is 15^\circ{}C. Start your own study with me session on our platform! At high temperatures, a dynamic equilibrium exists between Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. Biology. B) The uncoupling protein in this tissue reduces the proton gradient across the membrane and thus produces heat to warm the animal without ATPATP production. Others help to maintain the structural integrity of the membrane, providing rigidity and support. If the total Below we provide practice questions for each type and strategies to find the correct answer in the alloted time. 1, because testosterone is nonpolar and can diffuse through the membrane. C. The pH of the cell will denature the hydrolytic enzymes. B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. At 900C900^\circ C900C, KcK_cKc is 0.238. AP Biology Unit 2 Test Flashcards | Quizlet AP Biology Unit 2 Test Term 1 / 31 Water passes quickly through cell membranes because a. At low concentrations of acetylcholine, a small increase in the substrate concentration results in a large increase in the reaction rate. C. Chemical energy in the form of ATP Each form of energy is represented by the symbols E IE IV. Which of the following statements best helps justify the researcher's claim by providing a relevant example? A The production and secretion of steroids B momentum HO of the system about the base satellite? Information Storage and Transmission 4. Embryonic development, (A), does not reveal either of these characteristics, nor does fertilization, (C). Repeat the process with other salt concentrations. If water potential outside of the plant cell is higher than the water potential of the plant cells, C. If water potential outside of the plant cell is lower than the water potential of the plant cells, A.changing the permeability of the cell membrane, B. the opening and closing of the chloroplast, C. changing the permeability of the cell wall, Multiple Choice Practice for Cell Structure and Function Concepts. COVID-19 Updates Why? Which of the following best describes the contents expected to be contained in one of the five control test tubes based on Figure 3-2? Chloroplasts and some prokaryotes share similar photosynthetic reactions. , Chloroplasts are the site where photosynthesis occurs. Based on the information presented, how does aldosterone most likely enter target cells? To log in and use all the features of Khan Academy, please enable JavaScript in your browser. https://library.fiveable.me/ap-bioStudy with friends using the #1 virtual studying platform for students! Ap Bio Unit 6 Progress Check: MCQ Flashcards. carbon at 900C900^\circ C900C is added to the reaction system? unit 6 progress check mcq ap lang answers. All gametes are unicellular, ruling out (D). I_am_failing. Get unlimited access to this and over 100,000 Super . The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. B. D. The lysosome will repair the membrane and not die. C) The additional pigments require energy and cellular resources to produce, so they can be used as an energy source during times of insufficient light. Which of the following statements best justifies the researcher's claim? To support the claim, the researcher makes the following observation: bacteria that contain plasmids (small DNA molecules) are resistant to a wider range of antibiotics than are bacteria that contain no plasmids. (EU) , MKT3. Candidates should submit: A 2-3 page research plan, a cover letter describing interdisciplinary research experience and how it connects to the interests and goals of the Carbon cluster, and a 1-3 page teaching statement that includes specific discussion of accomplishments and plans for promoting inclusive and equitable education, outreach, or. Learn about the chemistry of life in unit 1 of the AP Biology course. B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. D. Chemical energy released by glycolysis Get started for free! The cell is unable to complete reactions related to electron transport and ATP production. What should a team of students do next to obtain data that are more inclusive? A. Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. All organelles are essential, and students must understand all of them. Hydrolytic enzymes will be released, which will cause cell death. Question 1 300 seconds Q. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. Donate or volunteer today! Based on Table 3-4, which of the following statements best clarifies how the data support the researcher's claim? . ap chemistry unit 8 progress check mcq answers. Page 4 of 5 Please respond on separate paper, following directions from your teacher. 56% average accuracy. Unit 4 questions & answers for quizzes and tests - Quizizz Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. own thrust capabilities, to perform research on tether propulsion. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. D) Some plasmids contain antibiotic resistance genes. In Fig. AP Physics 1: Unit 5 Progress Check: MCQ Part, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. C) The experiment can be repeated without guaiacol, which will reveal the effect of guaiacol on the reaction rates. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . D. The lysosome will repair the membrane and not die. Based on the results of the experiment, which of the following statements best predicts the effect of urea on the enzyme's function? Thus, the efficiency = (219 kCal)/ (686 kCal) = 31.9%. Course and Exam Description Download AP Biology Course and Exam Description Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes. C) It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate. B) Some antibiotics inhibit protein synthesis in bacteria cells. AP Bio Unit 3 MCQ 5.0 (2 reviews) Term 1 / 20 Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. C) Some plasmids cannot exist in a bacterial cell with certain other plasmids. Clarify math Math is often viewed as a difficult and dry subject, but it can be made much simpler by breaking it down into smaller, more manageable pieces. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. Test your knowledge of the skills in this course. The arrangement of the phospholipids in the bilayer creates a semi-permeable barrier that selectively allows certain molecules to pass through while preventing others from entering or leaving the cell. Ap Bio Ch 18 Reading Guide Answers (PDF). The production and secretion of proteins. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. Welcome to Unit 2 AP Biology Multiple Choice Questions! You will have 60 minutes to answer 45 questions. B) Yeast cells produce DNA polymerases, which are enzymes that catalyze the conversion of free nucleotides into strands of DNA. B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis A) Organisms contain enzymes that lower the activation energies of specific chemical reactions A. light reactions produce sugar, while the Calvin cycle produces O2. The multiple choice questions are composed of two types of questions, stand alone and data questions. In order for a cell to function properly, it's important for the internal environment to be maintained in a way that is conducive to the life and function of the cell. Depending on the type of molecule being transported, the cell may need the help of a transport protein to facilitate its movement across the membrane. The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. Introduction to biological macromolecules, Properties, structure, and function of biological macromolecules, Mechanisms of transport: tonicity and osmoregulation, Cell compartmentalization and its origins, Regulation of gene expression and cell specialization, See how our course content aligns with AP Biology standards. the amount of energy contained in one gram of fat. AP Biology Practice Test: Unit 7 Natural Selection. AP_Biology_Unit_1_Chemisty_of_Life_Exam_2020_2021. or. D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. A. Which test tubes are controls in the experiment based on Table 3-1? You need to answer all of the questions because a blank answer is a wrong answer. The 2020 free-response questions are available in theAP Classroom question bank. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. Have a test coming up? The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environments. A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. D) The uncoupling protein in this tissue reduces the production of ATP and creates an increase in the proton gradient that allows more heat energy to be produced to warm the animal. AP Biology Unit 1 11th - 12th grade Played 2080 times 76% average accuracy Biology a year ago by jdmay 4 Save Edit Live modes Start a live quiz Asynchronous learning Assign homework 43 questions Preview Show answers Question 1 900 seconds Q. Organic chemistry is a science based on the study of answer choices functional groups. The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. Other sets by this creator. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. B) The additional pigments block light and prevent it from reaching photosynthetic organisms at greater depths, so no photosynthetic organisms can live below the surface waters containing cyanobacteria. If you saw a black sheep, you would be able to identify answer choices its phenotype for hair color its genotype for hair color the genotype of only one of its parents Click the card to flip Definition 1 / 30 The production and secretion of proteins Thushara Samarawickrama - Physics Teacher - LinkedIn. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. 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.collegeboard.org. The researchers dissolved the enzyme in an aqueous buffer solution and added urea to the solution. Which of the following mechanisms do the water molecules most likely move into the large intestine? Every AP Biology Practice Test Available: Free and Official. A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. Ap Bio Unit 2 MCQ study guide 4.3 (21 reviews) Term 1 / 30 Which of the following functions is the cell type most likely specialized to perform? Unit 2 Practice Test (2020) AP Biology Multiple Choice Questions (1 point each) Choose the best answer for each question and write the letter on the line provided. The Expert s Guide to the AP European History Exam. Chemical energy being stored in the bonds of glucose, D. Chemical energy released by glycolysis, The reaction occurring in organelle A is photosynthesis, as indicated by the splitting of water and fixation of CO. . B. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. B) The amount of product will decrease until the reaction reaches its equilibrium point or the enzyme has been used up by the reaction. Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. AP US History Exam: Period 6 Notes (1865-1898), AP Biology Stand Alone Question Stratgies. Privacy Policy Create your own unique website with customizable templates. 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). [RELATED: AP Biology Stand Alone Question Stratgies ]. In the multiple choice section of the AP Biology test, you will have 90 minutes to answer 60 multiple choice questions and 6 grid-in items. The first reaction in this organelle represents the light reactions, in which the suns energy is converted to chemical energy in the form of ATP (E II). 161 plays. The Citric Acid/Krebs Cycle happens in the matrix of the mitochondria, and oxidative phosphorylation, with the help of the electron transport chain, occurs in the inner membrane. C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. Chemical energy being stored as glycogen Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? 24 terms . Question 8. The ratio DECREASES from 0.86 to 0.63, because fewer stomata are needed at higher CO2 concentrations. A) The amount of product will increase until the reaction rate goes to zero. Khan Academy is a 501(c)(3) nonprofit organization. D) Yeast cells produce catalase, which is an enzyme that catalyzes the conversion of hydrogen peroxide into water and oxygen gas. AP Biology Multiple Choice Practice Questions.