*The following questions were not written by CollegeBoard and although they cover information outlined in the AP Biology Course and Exam Description the formatting on the exam may be different. Based on the data which cell is likely to be most effective In the exchange of materials? Which of the following statements best explains the findings? AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. For your second answer, remember that efficiency is (energy output)/ (energy input). C) Evidence that some of the earliest organisms carried out photosynthesis without producing oxygen C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. Question 2 Answer The correct choice is C Cell Resp. Glycolysis is the first step in cell respiration and occurs with or without oxygen present and shows common ancestry. A) pH 4 buffer solution and hydrogen peroxide only. After the completion of glycolysis, the rest of cellular respiration occurs in the mitochondria, given that oxygen is present. Test your knowledge of the skills in this course. That means it should take you around 22 minutes to complete 15 questions. A) Some antibiotics inhibit the synthesis of bacterial cell walls. Based on the following information, which of the following conclusions is most plausible? B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis 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. 2023 Fiveable Inc. All rights reserved. QuebedeauxJ21. 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. B) Some antibiotics inhibit protein synthesis in bacteria cells. Welcome to Unit 2 AP Biology Multiple Choice Questions! the system is brought to equilibrium at 900C900\circ C900C. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. Chloroplasts and some prokaryotes share similar photosynthetic reactions. B. Hydrolytic enzymes leak into the cytoplasm causing digestion of vital proteins. 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. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. This unit is all about the cell and parts of the cell! In Fig. D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. AP Bio: AP Classroom Unit 2 MCQ 4.4 (23 reviews) Term 1 / 30 A certain type of specialized cell contains an unusually large amount of rough endoplasmic reticulum (ER). DBQ. Exam Date: may 2, 2022. To do this, materials must be able to move in and out of the cell as needed, and this movement is facilitated by the plasma membrane. Not on this quizlet: 16 Grab some paper and a pencil to record your answers as you go. D. the Calvin cycle produces both sugar and O2. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. save. C) Some plasmids cannot exist in a bacterial cell with certain other plasmids. AP Biology Unit 6 MCQ. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. Unit 6 MCQ Part B, #1. The multiple-choice section of the AP English Language and Composition exam is the first part of the exam; you will complete it before you start to write the three essays. B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. 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. Which of the following functions is this cell type most likely specialized to perform? 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? If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. B. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. Cladogram Practice LOOK OVER AT LEAST ONE! A. light reactions produce sugar, while the Calvin cycle produces O2. A. C) It will act as a control for test tube 6 by showing the effect of the presence or absence of the enzyme. Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. Ap Bio Unit 6 Progress Check: MCQ Flashcards. A. rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. Which tree shows a different evolutionary history for taxa AD than the other three trees? Water will rush into the lysosome causing it to burst. AP Biology Unit 6 2021. a year ago by . 24 terms. A.Ribosomes, cell membranes, nucleic acids, B. 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. 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. The ribosome, since all organisms need to synthesize proteins. Incubate the cells in the presence of several different concentrations of the protein. 24 terms. https://play.kahoot.it/#/k/9b845f6e-d42a-434e-abed-a59973d4ceda. There are different types of transport proteins, including channels, pumps, and carriers, which work to transport molecules in different ways. The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. D) The total system that includes photosynthetic organisms and the Sun becomes less ordered over time. Cell Respiration Practice Questions AND ANSWER KEY for the questions are posted below. AP Biology - Unit 2 3.0 (1 review) Term 1 / 158 What do growth, reproduction, and homeostasis requires that cells do? D) Some plasmids contain antibiotic resistance genes. Start your own study with me session on our platform! 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. What is one example of an advantage of biodiversity in an ecosystem? The average cell cycle time is greater for the root tips growing in compact sand than for the root tips 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). Mitochondria are surrounded by a double membrane. The Na+ concentration inside the cell will increase. In the first part, you found that 30 moles of ATP has 219 kCal available, and the problem states that oxidation releases 686 kCal of energy. C) Some enzymes embedded in the thylakoid membrane catalyze the hydrolysis of ATP. Life cycles are characterized by the timing of meiosis and the characteristics of the diploid and haploid generations. masses of sub-satellites A,B, and C are 4 kg, 6 kg, and 8 kg, respectively, Our mission is to provide a free, world-class education to anyone, anywhere. The valinomycin treatment caused a decrease in the activity of the mitochondria. The AP English Language and Composition Exam includes multiple-choice and free-response questions that test essential skills covered in the course curriculum: Ap human geography. It was mostly incorporated into proteins that regulate and manage metabolic reactions. Which of the following best describes how the ratio of the density of stomata (stomata per mm^2) per CO2 concentration (ppm CO2) changes as the CO2 concentration increases? The picture is an example of. AP Bio MCQ Unit 5. At high temperatures, a dynamic equilibrium exists between Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant-134a. Which of the following results best refutes the alternative hypothesis that selective permeability is a consequence of the cell wall? 23 terms. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. You will have 60 minutes to answer 45 questions. Privacy Policy Unit 6 MCQ Part B, #1 Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. These two equations are used to find the solute concentration inside a cell and the tendency that water will leave the cell. The 2020 free-response questions are available in theAP Classroom question bank. Which of the following cellular deficiencies would most likely be related to these MT-ND1 mutations? 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? Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, A. The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. A) Function will be disrupted by adding the urea and regained by removing the urea. What should a team of students do next to obtain data that are more inclusive? Repeat the process with other salt concentrations. Which of the following functions is the cell type most likely specialized to perform? 1, because testosterone is nonpolar and can diffuse through the membrane. Fnd\iint \mathbf{F} \cdot \mathbf{n} d \sigmaFnd where F=(y2x2)i+(2xyy)j+3zk\mathbf{F}=\left(y^{2}-x^{2}\right) \mathbf{i}+(2 x y-y) \mathbf{j}+3 z \mathbf{k}F=(y2x2)i+(2xyy)j+3zk and \sigma is the entire surface of the tin can bounded by the cylinder x2+y2=16,z=3,z=3x^{2}+y^{2}=16, z=3, z=-3x2+y2=16,z=3,z=3. Based on the results of the experiment, which of the following statements best predicts the effect of urea on the enzyme's function? Compare the graphs of these two treatments to the original graph. Scoring GuidelinesStudent Performance Q&AScoring Statistics, Sample Responses Q1Sample Responses Q2Sample Responses Q3Sample Responses Q4, Scoring GuidelinesScoring CommentaryStudent Performance Q&AScoring Statistics, Scoring GuidelinesScoring CommentaryStudent Performance Q&A, Learning Opportunities for AP Coordinators. 2023 Fiveable Inc. All rights reserved. What additional procedure would best help determine whether these movements are due to active transport or passive transport? Get started for free! Review of Timed AP Exam Practice #1 AP Biology Practice Questions-The Chemical Structures Of Life Full Guide to AP Prep Books: BARRON'S VS. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. Information Storage and Transmission 4. 2023 Fiveable Inc. All rights reserved. Answer the following questions about the various processes depicted in the diagram and about the cell in which they are occurring. Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . If the pressure potential of the leaves increased to 1 Mpa, B. Question 8. It's Free, Easy and Loads of fun! Begin your AP Biology journey with an introduction to the basic building blocks and necessary components of life: water, necessary elements, and biological macromolecules. Q. Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environments. D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. The endosymbiotic theory is summarized below. Call 1-800-KAP-TEST or email customer.care@kaplan.com, Contact Us Have a test coming up? Which way would the purple molecules move through the semi-permeable membrane? A The production and secretion of steroids B AP Biology is an introductory college-level biology course. A zinc ion binds to the ALAD active site, where it forms favorable interactions with the side chains of three amino acids. C) The uncoupling protein in this tissue causes an increase in the proton gradient, which causes more ATP to be produced that helps to warm the animal. It originated from the incorporation of a photosynthetic prokaryote into a eukaryote cell by the TWO Endosymbiotic events. Click the card to flip Definition 1 / 158 that they create and maintain internal environments different from the external environments Click the card to flip Flashcards Created by grreverol Terms in this set (158) Learn about the chemistry of life in unit 1 of the AP Biology course. Which of the following claims about the effects of the valinomycin treatment is best supported by the data presented in the table? A) The uncoupling protein in this tissue increases the production of ATP and causes more body heat to be produced to warm the animal. B) The uncoupling protein in this tissue reduces the proton gradient across the membrane and thus produces heat to warm the animal without ATP production. A set of five additional test tubes were prepared and used as controls. As evolution has occurred, cells have changed and have been altered. A deep dive into how life on Earth originated, adapted, and flourished. A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. If the transformation depicted in organelle B requires oxygen, what form of energy is represented by E IV? 1.1 | Structure of Water and Hydrogen Bonding Each question will have 5 possible answers. D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. , Cell size is a concern because surface area-to-volume ratios affect the ability of a biological system to obtain necessary resources, eliminate wastes, pull in or remove heat energy, and exchange materials with the environment. A researcher claims that the incorporation of carbon dioxide into organic molecules during photosynthesis does not violate the second law of thermodynamics. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. Chemical energy being stored as glycogen, https://www.kaptest.com/study/wp-content/uploads/2020/04/AP-Biology-Multiple-Choice-Practice-Questions.jpg, http://wpapp.kaptest.com/wp-content/uploads/2020/09/kaplan_logo_purple_726-4.png, AP Biology Multiple Choice Practice Questions. the amount of energy required to raise the temperature of 1 gram of water by 1 degree C. the amount of energy released by metabolism of one gram of glucose. A. AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. 30 seconds. 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). Based on Table 3-4, which of the following statements best clarifies how the data support the researcher's claim? Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. 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. Which cellular component will be found in the widest range of organisms in the sample? 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. 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. Energetics 3. The local atmospheric pressure is 88 kPa. The researchers carefully removed the urea from the solution and determined that the enzyme had the original secondary and tertiary structure again. Copyright Kaplan, Inc. All Rights Reserved. Unit 2 Population and Migration Patterns and Processes. Water will rush into the lysosome causing it to burst. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. Based on their observations, what should the researchers do to further clarify how the availability of the protein outside the cells affects the rate of endocytosis of the protein? Click the card to flip Definition 1 / 30 The production and secretion of proteins Hufflepuff_Hamilton. Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. Biology. Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. AP Biology Multiple Choice Practice Questions. AP Bio Unit 2: Cell Structure and Function Surface Area outside area of an object the area around the outside of a cell unit: m^2 Application in Living Things increased surface area = increased diffusion microvilli: increases absorption in intestines root hairs: increases water/nutrient absorption in plants 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.
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