Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? C. determining when in the life cycle fertilization occurs. D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. AP BIO - Unit 6 Topic Questions. A) The amount of product will increase until the reaction rate goes to zero. AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. The ratio DECREASES from 0.86 to 0.63, because fewer stomata are needed at higher CO2 concentrations. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. masses of sub-satellites A,B, and C are 4 kg, 6 kg, and 8 kg, respectively, Others act as channels or pumps, allowing specific molecules to pass through the membrane. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. 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. D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. There are different types of transport proteins, including channels, pumps, and carriers, which work to transport molecules in different ways. By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. COVID-19 Updates , Chloroplasts are the site where photosynthesis occurs. The production and secretion of proteins Which of the following statements best helps justify the researcher's claim by providing a relevant example? The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. *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. 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 What is the value of KpK_pKp? A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration D) Some plasmids contain antibiotic resistance genes. You need to answer all of the questions because a blank answer is a wrong answer. AP Biology Unit 2: Cell Structure & Function Practice Test . Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes. 45 Questions Show answers Question 1 30 seconds Q. Call 1-800-KAP-TEST or email customer.care@kaplan.com, Contact Us Hufflepuff_Hamilton. D) they r embedded in the phospholipid bilayer. Which of the following statements best justifies the use of the proposed modification as a way of creating an appropriate control for the investigation based on Figure 3-1? The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). Based on the results of the experiment, which of the following statements best predicts the effect of urea on the enzyme's function? What should a team of students do next to obtain data that are more inclusive? Which test tubes are controls in the experiment based on Table 3-1? AP Bio Unit 2: Cell Structure and Function Cheat Sheet. Water enters the cell causing it to sink, B. Grab some paper and a pencil to record your answers as you go. Here is the Remind # for Nease AP/IB Bio - text @98d7a8 to 81010. 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. Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. 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. The reaction occurring in organelle A is photosynthesis, as indicated by the splitting of water and fixation of CO2. The picture is an example of. 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? What are they called? Preview this quiz on Quizizz. https://ybcmd.rentinghouses.it/unit-3-progress-check-mcq-part-a-ap-physics-quizlet.html Ap European History Unit 3 Progress Check Mcq AP BIO Unit 3 Released FRQs 2017 #7 2017 #7 Answer Key 2015 #2 2015 #2 Answer Key 2015 #2 Answer Key Cont 2014. . In this case, osmoregulation allows cells to maintain their internal solute balance. Which of the following functions is this cell type most likely specialized to perform? 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. A deep dive into how life on Earth originated, adapted, and flourished. save. AP Bio. Khan Academy is a 501(c)(3) nonprofit organization. Biology is brought to you with support from the Amgen Foundation. 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. A zinc ion binds to the ALAD active site, where it forms favorable interactions with the side chains of three amino acids. B. 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? pressure in the system is 6.406.406.40 atmatmatm, what are the partial pressures The production and secretion of proteins. C. Chemical energy in the form of ATP It increases the surface area available for ATP production, which results in faster cell growth. Which way would the purple molecules move through the semi-permeable membrane? Which tree shows a different evolutionary history for taxa AD than the other three trees? Plant cell because it will become flaccid, B. Which of the following claims about the effects of the valinomycin treatment is best supported by the data presented in the table? 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). Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. The molecules does not contain OH\mathrm{O}-\mathrm{H}OH bonds. The multiple choice questions are composed of two types of questions, stand alone and data questions. 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. 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. C) Photosynthetic organisms use the organic molecules during photosynthesis for growth and repair. 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) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. Which of the following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? Which of the following observations best supports the model? When beetroot cells are placed in a solution with cellulase, the solution remains clear. Ap Bio Unit 6 Progress Check: MCQ Flashcards. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. Click here for the practice questions: B. 56% average accuracy. Include a substance known to block ATP use by the plasma membrane. With Super, get unlimited access to this resource and over 100,000 other Super resources. Which of the following types of evidence will best support the researcher's claim, based on Figure 3-5? A. C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. Course and Exam Description Download AP Biology Course and Exam Description 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. . C) It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate. The model is based on the idea that substrate molecules form favorable interactions with the amino acid side chains in an enzyme's active site. Why? 161 plays. The cecum is a portion of the large intestine located near the junction of the small intestine and the large intestine. AP Euro Unit 2 Quiz ProProfs Quiz. The Expert s Guide to the AP European History Exam. Donate or volunteer today! 2023 Fiveable Inc. All rights reserved. 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) All organelles are essential, and students must understand all of them. Incubate the cells in the presence of several different concentrations of the protein. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? own thrust capabilities, to perform research on tether propulsion. 2023 Fiveable Inc. All rights reserved. Partner Solutions Identify TWO topographic . [RELATED: AP Biology Stand Alone Question Stratgies ]. 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. and their velocities expressed in m/s are given by vA = 4i 2j + 2k, Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. 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 Biology Past Exam Questions AP Central. vB = i + 4j, vC = 2i + 2j + 4k. 2 Save Share Copy and Edit Edit. All gametes are unicellular, ruling out (D). A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. Use the video below to help you with the pigment FRQ AP Biology Lab 4: Plant Pigments and Photosynthesis A) The additional pigments allow the cyanobacteria to store light energy so that it can be used at night to continue 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. D. The lysosome will repair the membrane and not die. The cell is unable to complete reactions related to electron transport and ATP production. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. ap bio unit 2 progress check MCQ 5.0 (1 review) Term 1 / 30 A certain type of specialized cell contains an unusually large amount of rough endoplasmic reticulum (ER). AP Biology Unit 6 MCQ Flashcards | Quizlet. Create engaging Jeopardy-style quiz games in minutes or. he following diagram shows energy transformations within a cell. 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. Water will rush into the lysosome causing it to burst. B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. 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. Based on the figure which of the following statements best describes the relationship between regions 1 and 2 of the protein? The 2020 free-response questions are available in theAP Classroom question bank. Unit 2: Cells & Cellular Transport Test Practice Test Unit 3: METABOLISM AND PLANT TEST Lecture & Video REVIEWs Click for Chapter 8 REVIEW Practice Questions unit_3_-_metabolism___plants_practice_test.pdf Download File FRQ PRACTICE IS BELOW. C) Some plasmids cannot exist in a bacterial cell with certain other plasmids. Which cellular component will be found in the widest range of organisms in the sample? Question 4. Dig into the structure and function of DNA, a theme that will recur through this course. C. The pH of the cell will denature the hydrolytic enzymes. Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. Each question will have 5 possible answers. 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. carbon monoxide, carbon dioxide, and solid carbon. Glycolysis is the first step in cell respiration and occurs with or without oxygen present and shows common ancestry. Cell Respiration Practice Questions AND ANSWER KEY for the questions are posted below. 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. 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? (EU) , MKT3. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. B) European flycatcher hatchlings begin to need energy to leave the nest only after the caterpillars have turned into pupae. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. Which of the following statements best explains the findings? That means it should take you around 22 minutes to complete 15 questions. Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. TheJovian67. If the pressure potential of the leaves increased to 1 Mpa, B. AP Biology Unit 6 MCQ. Based on the model presented in figure 1, which of the following changes will most likely result from a depletion of available ATP stores inside the cell? A) Function will be disrupted by adding the urea and regained by removing the urea. 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). Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. Our mission is to provide a free, world-class education to anyone, anywhere. Which of the following models shows how cholesterol molecules most likely interact with the phospholipid by layer of a cells plasma membrane? A. Radiant energy in the form of photons Civil Rights SAQ. B. *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. Every AP Biology Practice Test Available: Free and Official. If you're seeing this message, it means we're having trouble loading external resources on our website. One of the researchers proposes using oxygen gas production to measure reaction rates. AP Bio MCQ Unit 5. D) The total system that includes photosynthetic organisms and the Sun becomes less ordered over time. If the pressure potential of the leaves increased to 1 Mpa, B. . rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. 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. Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline. Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. Researchers investigated the effect of urea on the three-dimensional structure of a certain enzyme. One way to determine the type of life cycle an organism has is by. 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. AP Biology is an introductory college-level biology course. b. 1.1 | Structure of Water and Hydrogen Bonding Compare the graphs of these two treatments to the original graph. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. https://play.kahoot.it/#/k/9b845f6e-d42a-434e-abed-a59973d4ceda. The movement of molecules across the plasma membrane occurs through a process called membrane transport. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. Browse AP Biology exam prep resources including unit reviews, big ideas, free response help, and practice questions. Wednesday, 08 June 2022 / Published in thousand oaks police breaking news today. Exam Date: may 2, 2022. B) Yeast cells produce DNA polymerases, which are enzymes that catalyze the conversion of free nucleotides into strands of DNA. Which of the following results best refutes the alternative hypothesis that selective permeability is a consequence of the cell wall? Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? 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. Page 4 of 5 Please respond on separate paper, following directions from your teacher. View Test_ Anatomy and Physiology Exam #1 (Ch. 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. 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). The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. D) Some plasmids contain antibiotic resistance genes. Every AP Statistics Practice Test Available: Free and Official. The valinomycin treatment caused a decrease in the activity of the mitochondria. For your second answer, remember that efficiency is (energy output)/ (energy input). The two stages of photosynthesis are the light-dependent reaction and the light-independent reaction. B) An ecosystem is formed by the interaction of a community of organisms with their surrounding environment. Ap Bio Unit 6 Progress Check: MCQ Flashcards. The cecum evolved to have an important role in the digestion of protein, since it is shorter in species B and C than in species A and D. Learn about the chemistry of life in unit 1 of the AP Biology course. 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. 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). Thus, the efficiency = (219 kCal)/ (686 kCal) = 31.9%. What is one example of an advantage of biodiversity in an ecosystem? The ratio is 0.89, and the cells are LESS efficient at transferring oxygen. Repeat the process with other salt concentrations. , 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. Study Guide for Anatomy & Physiology, 9th Edition provides a . B. C(s)+CO2(g)2CO(g);H=172.5kJC(s) + CO_2(g) \rightleftharpoons 2CO(g); \Delta H^\circ = 172.5 kJC(s)+CO2(g)2CO(g);H=172.5kJ Now, heat is transferred to refrigerant-134a until the temperature is 15^\circ{}C. Water will rush into the lysosome causing it to burst. A 20-kg base satellite deploys three sub-satellites, each of which has its carbon at 900C900^\circ C900C is added to the reaction system? A.Ribosomes, cell membranes, nucleic acids, B. AP_Biology_Unit_1_Chemisty_of_Life_Exam_2020_2021. Based on the information presented, how does aldosterone most likely enter target cells? a. Subcellular and organelle components are especially important to know because they pop up throughout the year. B. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. 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. 2213, what is the current with S1S_1S1 closed? What form of energy is represented by E II? Click link for practice quizzes in all content of AP BIO: Which of the following properly links the nutrient to its reservoir? Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. Begin your AP Biology journey with an introduction to the basic building blocks and necessary components of life: water, necessary elements, and biological macromolecules. Which of the following conclusions about the radiolabeled amino acid is best supported by the results of the experiment? Stand alone questions on the AP Biology test are your average multiple choice question and make up a little over half of the questions in the section. 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. If the transformation depicted in organelle B requires oxygen, what form of energy is represented by E IV? Ap Bio Unit 5: MCQ progress check. Which of the following statements best justifies the researcher's claim? Click the card to flip Definition 1 / 30 The production and secretion of proteins 24 terms . B. https://library.fiveable.me/ap-bioStudy with friends using the #1 virtual studying platform for students! A. of COCOCO and CO2CO_2CO2? 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 reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. Have a test coming up? Mitochondria are surrounded by a double membrane. SComplete study guide/review with practice. D) The total system that includes photosynthetic organisms and the Sun become less ordered over time. Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, A.