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. AP is a registered trademark of the College Board, which has not reviewed this resource. 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. Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. What should a team of students do next to obtain data that are more inclusive? 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). 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? Expand All C. Species A is more closely related to species D than to species B, because A and D are both herbivores. It was mostly incorporated into proteins that regulate and manage metabolic reactions. C. determining when in the life cycle fertilization occurs. Create engaging Jeopardy-style quiz games in minutes or. Learn about the chemistry of life in unit 1 of the AP Biology course. The cell is unable to complete reactions related to electron transport and ATP production. The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. D) Yeast cells produce catalase, which is an enzyme that catalyzes the conversion of hydrogen peroxide into water and oxygen gas. (Click on the image to see a larger version) Check out the AP Bio Unit 2 Replays or watch the 2021 Unit 2 Cram. *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. 23 terms. Based on Table 3-4, which of the following statements best clarifies how the data support the researcher's claim? 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? 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 [emailprotected]. Water will rush into the lysosome causing it to burst. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. Click here for the practice questions: B. Below we provide practice questions for each type and strategies to find the correct answer in the alloted time. Researchers investigated the effect of urea on the three-dimensional structure of a certain enzyme. Energetics 3. Embryonic development, (A), does not reveal either of these characteristics, nor does fertilization, (C). The Expert s Guide to the AP European History Exam. Based on the figure which of the following statements best describes the relationship between regions 1 and 2 of the protein? C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. D) The additional pigments absorb light at wavelengths that green algae cannot absorb; this may allow cyanobacteria to capture more light energy for photosynthesis than green algae can in certain areas. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. You need to answer all of the questions because a blank answer is a wrong answer. 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. Light reactions, which convert solar energy into chemical energy (ATP, NADPH) in the thylakoid membranes, fuel the Calvin cycles production of sugars in the stroma. A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration Click the card to flip Flashcards Learn Test Match Created by maras826 Terms in this set (30) B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis (EU) , MKT3. The picture is an example of. Data questions on the AP Biology test are a series of questions about a single data set, which are commonly represented in graphs, charts, or as an experiment summary. 24 terms. C) Some plasmids cannot exist in a bacterial cell with certain other plasmids. 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. 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? rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. Which of the following functions is this cell type most likely specialized to perform? A. Carbohydrates and Lipids Time to check your answers on Unit 1 Practice Questions Answers and Review!. 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). Chemical energy being stored in the bonds of glucose 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. Water will rush into the lysosome causing it to burst. At low concentrations of acetylcholine, a small increase in the substrate concentration results in a large increase in the reaction rate. Which of the following statements best justifies the researcher's claim? Actual cell membranes have a variety of proteins embedded in the membrane that are absent in the artificial membrane. 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. A. Radiant energy in the form of photons B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. Thushara Samarawickrama - Physics Teacher - LinkedIn. Chloroplasts and some prokaryotes share similar photosynthetic reactions. By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. Hufflepuff_Hamilton. Jutta Marateo-Gonzalez. B. 24 terms. Water is a small, polar molecule that can move across the membrane in small quantities, but it needs the help of aquaporins and other proteins to cross the membrane in larger amounts. AP Biology Unit 2: Cell Structure & Function Practice Test . own thrust capabilities, to perform research on tether propulsion. A) The active site of AChE is specific for acetylcholine, and only one substrate molecule can occupy the active site at a time. C) The experiment can be repeated without guaiacol, which will reveal the effect of guaiacol on the reaction rates. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. D) The amount of product will increase without stopping because the enzyme will be unchanged by the reaction. AP Bio Unit 2 Progress check questions and answers Terms in this set (30) A certain type of specialized cell contains an unusually large amount of rough endoplasmic reticulum (ER). Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. Include a substance known to block ATP use by the plasma membrane. , Chloroplasts are the site where photosynthesis occurs. 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) 24 terms . A) The uncoupling protein in this tissue increases the production of ATP and causes more body heat to be produced to warm the animal. 2023 Fiveable Inc. All rights reserved. Create your own unique website with customizable templates. D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. QuebedeauxJ21. Which of the following cellular deficiencies would most likely be related to these MT-ND1 mutations? The endosymbiotic theory is summarized below. A. b. B. comparing the diploid and haploid forms of the organism. D) they r embedded in the phospholipid bilayer. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. The Course challenge can help you understand what you need to review. Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. For your second answer, remember that efficiency is (energy output)/ (energy input). AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. Based on the following information, which of the following conclusions is most plausible? Two cellular organelles are represented by the letters A and B. With Super, get unlimited access to this resource and over 100,000 other Super resources. Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? 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. AP Bio Unit 2: Cell Structure and Function Cheat Sheet. When beetroot cells are placed in a solution with cellulase, the solution remains clear. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes, D. Golgi complex, mitochondria, chloroplast. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. Use two additional treatments, one containing only ethyl alcohol and one containing only acetate. A) Function will be disrupted by adding the urea and regained by removing the urea. Which of the following statements best helps justify the inclusion of group 2 as one of the controls in the experiment based on Table 3-2? Quizlet NAME 20 Multiple choice questions 1. Which of the following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? 30 seconds. When the concentration of AChE in an aqueous solution is held constant, the rate of the reaction catalyzed by AChE increases with increasing concentrations of substrate. Tests amp Quizzes AP Euro. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes. Unit 2 Population and Migration Patterns and Processes. Press & Media B. Hydrolytic enzymes leak into the cytoplasm causing digestion of vital proteins. 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? D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. D) The total system that includes photosynthetic organisms and the Sun become less ordered over time. Browse AP Biology exam prep resources including unit reviews, big ideas, free resp. Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. Which of the following observations best supports the model? 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. One of the researchers proposes using oxygen gas production to measure reaction rates. Based on the information provided, Gaucher disease results most directly from a defect in the function of which of the following organelles? 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. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. D. Chemical energy released by glycolysis Test your knowledge of the skills in this course. A The production and secretion of steroids B 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. Privacy Policy AP Biology Multiple Choice Practice Questions. 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. . Identify TWO topographic . Which of the following conclusions about the radiolabeled amino acid is best supported by the results of the experiment? 9th - 12th grade . Chemical energy being stored as glycogen (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. B) European flycatcher hatchlings begin to need energy to leave the nest only after the caterpillars have turned into pupae. DBQ. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. Which of the following statements best justifies this claim? Cluster Hires in Carbon Electronics at NC State University in . D) The additional pigments absorb light at wavelengths that green algae cannot absorb; this may allow cyanobacteria to capture more light energy for photosynthesis than green algae can in certain areas. Not on this quizlet: 16 The endosymbiotic theory is summarized below. The movement of molecules across the plasma membrane occurs through a process called membrane transport. 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? A) pH 4 buffer solution and hydrogen peroxide only. Plant cell because it will become flaccid, B. Another biologist alternatively hypothesizes that these types of molecules require channel and transport proteins that are embedded in the membrane in order to move across the membrane. Use the video below to help you with the pigment FRQ AP Biology Lab 4: Plant Pigments and Photosynthesis These two equations are used to find the solute concentration inside a cell and the tendency that water will leave the cell. A) The additional pigments allow the cyanobacteria to store light energy so that it can be used at night to continue photosynthesis. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . There are different types of transport proteins, including channels, pumps, and carriers, which work to transport molecules in different ways. Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. Which of the following statements best helps justify the researcher's claim by providing a relevant example? At high temperatures, a dynamic equilibrium exists between The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. Why? Question 3. The Na+ concentration inside the cell will increase. Course and Exam Description Download AP Biology Course and Exam Description Others help to maintain the structural integrity of the membrane, providing rigidity and support. 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. Click the card to flip Definition 1 / 30 The production and secretion of proteins It's Free, Easy and Loads of fun! the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. 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. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). Click link for practice quizzes in all content of AP BIO: Which of the following properly links the nutrient to its reservoir? Each form of energy is represented by the symbols E IE IV. C) It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate. The researchers carefully removed the urea from the solution and determined that the enzyme had the original secondary and tertiary structure again. In this case, osmoregulation allows cells to maintain their internal solute balance. Which of the following statements best explains the findings? A. light reactions produce sugar, while the Calvin cycle produces O2. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside 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. A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? . 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. Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. . Have a test coming up? There are several different types of membrane transport: Water potential is the tendency for water to move in one direction or another. The plasma membrane is made of a phospholipid bilayer, composed of two layers of phospholipid molecules, with the hydrophobic tails facing inward and the hydrophilic heads facing outward. The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. The two stages of photosynthesis are the light-dependent reaction and the light-independent reaction. Region 1 is hydrophilic because it interacts with an aqueous environment, whereas region 2 is hydrophobic because it interacts with the interior of the membrane. It is known that f is increasing on the . Small, nonpolar molecules like nitrogen, oxygen, and carbon dioxide can freely pass through the membrane, while larger, polar molecules and ions need the help of proteins to cross the membrane. Period7langhart. A. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. or. Which of the following types of evidence will best support the researcher's claim, based on Figure 3-5? the system is brought to equilibrium at 900C900\circ C900C. B) Yeast cells produce DNA polymerases, which are enzymes that catalyze the conversion of free nucleotides into strands of DNA. Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline. Chapter 2 will be on Test #1, which fill feature Chapters 1-4. The 2020 free-response questions are available in theAP Classroom question bank. AP Biology is an introductory college-level biology course. D) Some plasmids contain antibiotic resistance genes. B. The following table lists the diets of several vertebrates, as well as the average length of the cecum as measured in 20 individuals of that species. The production and secretion of proteins. On separate diagrams, sketch the formation of sigma and pi bonds. Which of the following conclusions about increasing the number of folds in the inner mitochondrial membrane is best supported by the results of the experiment? https://library.fiveable.me/ap-bioStudy with friends using the #1 virtual studying platform for students! Answer the following questions about the various processes depicted in the diagram and about the cell in which they are occurring. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If the total AP Biology Unit 6 MCQ Flashcards | Quizlet. Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, A. C. The pH of the cell will denature the hydrolytic enzymes. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. You will have 60 minutes to answer 45 questions. Hydrolytic enzymes will be released, which will cause cell death. C) Female European flycatchers require energy to lay eggs, so they lay their eggs when the caterpillar biomass is maximal. Lesson 5 - Hydrometeorological and Coastal Pr, Did the tsarist policy toward minority groups, Functions of the hypothalamus and limbic syst, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, HESI Admission assessment A&P Practice test, ELA first 9 weeks unit 1 ( point of view part). What additional procedure would best help determine whether these movements are due to active transport or passive transport? AP Biology Practice Test: Unit 2 Cell Structure & Function. Which of the following statements best establishes a connection between the observation and the researcher's claim? If the pressure potential of the leaves increased to 1 Mpa, B. These emerging properties are mostly due to: Question 3 Which type of chemical bond involves the transfer of electrons from one atom to another, resulting in oppositely charged ions that are attracted to each other? Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. 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. Which of the following mechanisms do the water molecules most likely move into the large intestine? 2023 Fiveable Inc. All rights reserved. Ap Bio Unit 6 Progress Check: MCQ Flashcards. Others act as channels or pumps, allowing specific molecules to pass through the membrane. A deep dive into how life on Earth originated, adapted, and flourished. AP Bio. What are they called? Preview this quiz on Quizizz. 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 One way to determine the type of life cycle an organism has is by. Get started for free! of COCOCO and CO2CO_2CO2? Which prediction of the effect of this disruption of cellular compartmentalization is most likely correct? 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. Describe the Lewis structure of ketene (C2H2O)\left(\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}\right)(C2H2O) and describe the hybridization states of the C\mathrm{C}C atoms. AP Biology Unit 2 | Cell Structure - Quizizz Play this game to review Cell Structure. pressure in the system is 6.406.406.40 atmatmatm, what are the partial pressures The data here suggest that the cecum is four to five times longer in species that consume plant matter for their diets (A and D) compared to those that consume at least some meat (B and C). That means it should take you around 22 minutes to complete 15 questions. The ribosome, since all organisms need to synthesize proteins. Students cultivate their understanding of biology through inquiry-based investigations as they explore topics like evolution, energetics, information storage and transfer, and system interactions. c. How will the equilibrium system respond if additional Cell Resp. a. Which tree shows a different evolutionary history for taxa AD than the other three trees? 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. All gametes are unicellular, ruling out (D). 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. and their velocities expressed in m/s are given by vA = 4i 2j + 2k, Cladogram Practice LOOK OVER AT LEAST ONE! Begin your AP Biology journey with an introduction to the basic building blocks and necessary components of life: water, necessary elements, and biological macromolecules. Every AP Statistics Practice Test Available: Free and Official. AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. 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. carbon at 900C900^\circ C900C is added to the reaction system? C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. D. The lysosome will repair the membrane and not die. Which of the following data would best refute this alternative hypothesis? C. The pH of the cell will denature the hydrolytic enzymes. Which test tubes are controls in the experiment based on Table 3-1? Grab some paper and a pencil to record your answers as you go. Plant cell because it will become flaccid, C. Animal cell because it will become turgid, A. A deep dive into how life on Earth originated, adapted, and flourished. https://fiveable.me/Let's connect:Instagram https://www.instagram.com/thinkfiveableTwitter https://twitter.com/thinkfiveableTikTok -https://www.tiktok.com/@thinkfiveablePinterest -https://www.pinterest.com/thinkfiveable/Discord https://discord.gg/thinkfiveableStart a study session with a timer, Spotify playlists and a task list:http://fiveable.me/Subscribe for more videos:https://www.youtube.com/channel/UCxnn#apbio #apbiology #biology #ap #science #collegeboard #apush #apexam #biologyteacher #bio #StudyWithMe #Studying #Study #StudyWithFiveable #AP #CollegeBoard #StudyInspo #Education #EdTech #Students 2015 ap micro frq - bnaj. C) It will act as a control for test tube 6 by showing the effect of the presence or absence of the enzyme. 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. Cell Respiration Practice Questions AND ANSWER KEY for the questions are posted below. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. A) Some antibiotics inhibit the synthesis of bacterial cell walls. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis?
