AP_Biology_Unit_1_Chemisty_of_Life_Exam_2020_2021. 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. 2015 ap micro frq - bnaj. D. the Calvin cycle produces both sugar and O2. Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. A phospholipid has 2 parts. 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. Thank you for being 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. At low concentrations of acetylcholine, a small increase in the substrate concentration results in a large increase in the reaction rate. A) Function will be disrupted by adding the urea and regained by removing the urea. Create engaging Jeopardy-style quiz games in minutes or. If water potential outside of the plant cell is higher 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, Connect with other students studying AP Environmental Science with, Answers and Review for Multiple Choice Practice on Cell Structure and Function. Researchers investigated the effect of urea on the three-dimensional structure of a certain enzyme. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. AP Biology Past Exam Questions AP Central. The reaction occurring in organelle A is photosynthesis, as indicated by the splitting of water and fixation of CO2. A.water enters the cell causing it to sink, B. AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. AP Biology Unit 6 MCQ Flashcards | Quizlet. 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. It was mostly incorporated into proteins that regulate and manage metabolic reactions. Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. AP Biology Unit 2 Test Flashcards | Quizlet AP Biology Unit 2 Test Term 1 / 31 Water passes quickly through cell membranes because a. In this case, osmoregulation allows cells to maintain their internal solute balance. Others act as channels or pumps, allowing specific molecules to pass through 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). Include a substance known to block ATP use by the plasma membrane. Subcellular and organelle components are especially important to know because they pop up throughout the year. AP Euro Unit 2 Quiz ProProfs Quiz. 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. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. Thushara Samarawickrama - Physics Teacher - LinkedIn. 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? answer choices From the A side to the B-side From the B side to the A side none of the purple molecules would move they would move equally back and forth in a state of dynamic equilibrium Question 2 300 seconds Q. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. 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). A researcher claims that budding yeast are able to survive in different environments because they produce enzymes that allow them to use different molecules as sources of matter and energy. A set of five additional test tubes were prepared and used as controls. Unit 4 questions & answers for quizzes and tests - Quizizz Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. Cell Respiration Practice Questions AND ANSWER KEY for the questions are posted below. A) Organisms contain enzymes that lower the activation energies of specific chemical reactions *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. A. Radiant energy in the form of photons Energetics 3. 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? The ratio is 0.89, and the cells are LESS efficient at transferring oxygen. 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). Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? Partner Solutions Which of the following statements best helps justify the researcher's claim by providing a relevant example? AP US History Exam: Period 6 Notes (1865-1898), AP Biology Stand Alone Question Stratgies. 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? 30 seconds. What are they called?  Preview this quiz on Quizizz. These two equations are used to find the solute concentration inside a cell and the tendency that water will leave the cell. 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]. 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. At 900C900^\circ C900C, KcK_cKc is 0.238. That means it should take you around 22 minutes to complete 15 questions. 2023 Fiveable Inc. All rights reserved. AP Bio. vB = i + 4j, vC = 2i + 2j + 4k. A. 23 terms. 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) Function will be unaffected by the addition and removal of the urea. A) The uncoupling protein in this tissue increases the production of ATP and causes more body heat to be produced to warm the animal. It increases the surface area available for ATP production, which results in faster cell growth. unit 6 progress check mcq ap lang answers. STOP! Before you look at the answers make sure you gave this practice quiz a try so you can assess your understanding of the concepts covered in unit 1. 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 results best refutes the alternative hypothesis that selective permeability is a consequence of the cell wall? PDF Unit 2 progress check mcq ap human geography quizlet. D) The amount of product will increase without stopping because the enzyme will be unchanged by the reaction. Which of the following models shows how cholesterol molecules most likely interact with the phospholipid by layer of a cells plasma membrane? C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. D) they r embedded in the phospholipid bilayer. Researchers have found that substituting a lead ion for a zinc ion in the ALAD active site causes inhibition of ALAD. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). 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. 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. 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. 2023 Fiveable Inc. All rights reserved. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. A. light reactions produce sugar, while the Calvin cycle produces O2. Cell Resp. Jutta Marateo-Gonzalez. A) pH 4 buffer solution and hydrogen peroxide only. 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. B. A. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. 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. C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. The ribosome, since all organisms need to synthesize proteins. A. . You will have 60 minutes to answer 45 questions. Which of the following conclusions about the radiolabeled amino acid is best supported by the results of the experiment? COVID-19 Updates A. Question 3. 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. By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. A The production and secretion of steroids B Identify TWO topographic . 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. 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. Press & Media Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, D. Water leaves the cell, causing it to shrink, A. *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. The endosymbiotic theory is summarized below. Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis? The ratio DECREASES from 0.86 to 0.63, because fewer stomata are needed at higher CO2 concentrations. Based on Figure 3-4, which of the following statements provides reasoning that supports the claim that brown fatty tissue keeps an animal warm? DBQ. unit 6 progress check mcq ap lang answers. Which of the following statements best explains the findings? The Course challenge can help you understand what you need to review. the amount of energy contained in one gram of fat. Water will rush into the lysosome causing it to burst. AP BIO - Unit 6 Topic Questions. The production and secretion of proteins a. Why? 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. Page 4 of 5 Please respond on separate paper, following directions from your teacher. 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. Evolution 2. 161 plays. B. Hydrolytic enzymes leak into the cytoplasm causing digestion of vital proteins. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. Water enters the cell causing it to sink, B. 2213, what is the current with S1S_1S1 closed? That means it should take you around 22 minutes to complete 15 questions. AP is a registered trademark of the College Board, which has not reviewed this resource. The transport of GLUCOSE molecules against a concentration gradient. , Chloroplasts are the site where photosynthesis occurs. [RELATED: AP Biology Stand Alone Question Stratgies ]. Use two additional treatments, one containing only ethyl alcohol and one containing only acetate. 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. 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. C) Some enzymes embedded in the thylakoid membrane catalyze the hydrolysis of ATP. Which of the following functions is the cell type most likely specialized to perform? Ap Bio Unit 2 Practice TestStudy with Quizlet and memorize flashcards containing terms like FRQ #1: Describe the processes of fat, carbohydrate, and protein digestion and product absorption as they occur in the human mouth, stomach and small intestine. 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). Privacy Policy A. Which of the following functions is this cell type most likely specialized to perform? https://library.fiveable.me/ap-bioStudy with friends using the #1 virtual studying platform for students! Cladogram Practice LOOK OVER AT LEAST ONE! C. Species A is more closely related to species D than to species B, because A and D are both herbivores. What is one example of an advantage of biodiversity in an ecosystem? 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? B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. 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? D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. Terms and Conditions Question 1 300 seconds Q. Period7langhart. carbon monoxide, carbon dioxide, and solid carbon. At high concentrations of acetylcholine, however, a large increase in the substrate concentration results in only a small increase in the reaction rate. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes, D. Golgi complex, mitochondria, chloroplast. AP Biology is an introductory college-level biology course. The 2020 free-response questions are available in theAP Classroom question bank. Which of the following functions is this cell type most likely specialized to perform? 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 Kyo Standard Resources Home AP Score Calculator AP Score Calculator AP Biology AP Calculus AB AP Calculus BC AP CHEMISTRY AP COMP GOV AP ENglish literature AP Macro-Economics AP Micro-Economics AP PHYSICS 1 AP PSYCHOLOGY AP . (C) The data on cecum length and diet are insufficient to draw conclusions about the relatedness of species, so rule out (C) and (D). 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. On separate diagrams, sketch the formation of sigma and pi bonds. D) Some plasmids contain antibiotic resistance genes. Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. The A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. Subtraction of which of the following will convert gross primary productivity into net primary productivity? Work for Kaplan AP Biology Unit 6 MCQ. AP Biology Multiple Choice Practice Questions. Which of the following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? Cluster Hires in Carbon Electronics at NC State University in . The picture is an example of. Embryonic development, (A), does not reveal either of these characteristics, nor does fertilization, (C). 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. . 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. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. Ap Bio Ch 18 Reading Guide Answers (PDF). B) The amount of product will decrease until the reaction reaches its equilibrium point or the enzyme has been used up by the reaction. It is known that f is increasing on the . 24 terms. Hydrolytic enzymes will be released, which will cause cell death. A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. Our mission is to provide a free, world-class education to anyone, anywhere. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. The molecules does not contain OH\mathrm{O}-\mathrm{H}OH bonds. 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. 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. 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. A) The amount of product will increase until the reaction rate goes to zero. I_am_failing. C. The pH of the cell will denature the hydrolytic enzymes. Dig into the structure and function of DNA, a theme that will recur through this course. A 20-kg base satellite deploys three sub-satellites, each of which has its Compare the graphs of these two treatments to the original graph. Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. AP Biology Unit 2: Cell Structure & Function Practice Test . 2 Save Share Copy and Edit Edit. Ap Bio Unit 6 Progress Check: MCQ Flashcards. Which of the following provides an accurate calculation of the surface area to volume ratio of an HS red blood cell, as well as a prediction of its affect on the efficient transferring of oxygen compared to a normal red blood cell? The cecum is a portion of the large intestine located near the junction of the small intestine and the large intestine. Here is the Remind # for Nease AP/IB Bio - text @98d7a8 to 81010. The production and secretion of proteins. D. determining if gametes are multicellular or unicellular. A deep dive into how life on Earth originated, adapted, and flourished. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. Chloroplasts and some prokaryotes share similar photosynthetic reactions. Answer the following questions about the various processes depicted in the diagram and about the cell in which they are occurring. In humans, blood pH is around 7.4, and a decrease in blood pH to 6.4 would be fatal. The valinomycin treatment caused a decrease in the activity of the mitochondria. 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 Based on the figure which of the following statements best describes the relationship between regions 1 and 2 of the protein? Which test tubes are controls in the experiment based on Table 3-1? Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. Based on the information presented, how does aldosterone most likely enter target cells? 24 terms . D) The energy requirements for hatching European flycatchers and caterpillars are proportional to each other. Repeat the process with other salt concentrations. Not on this quizlet: 16 In Fig. 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 The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. A deep dive into how life on Earth originated, adapted, and flourished. Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. Two cellular organelles are represented by the letters A and B. One of the researchers proposes using oxygen gas production to measure reaction rates. The engulfed prokaryote then formed an Endosymbiotic relationship with the eukaryotic host. A) The additional pigments allow the cyanobacteria to store light energy so that it can be used at night to continue photosynthesis. D) The total system that includes photosynthetic organisms and the Sun become less ordered over time. All gametes are unicellular, ruling out (D). 24 terms. and their velocities expressed in m/s are given by vA = 4i 2j + 2k, AP Biology Unit 2 | Cell Structure - Quizizz Play this game to review Cell Structure. QuebedeauxJ21. Welcome to Unit 2 AP Biology Multiple Choice Questions! B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. A zinc ion binds to the ALAD active site, where it forms favorable interactions with the side chains of three amino acids. Based on the results of the experiment, which of the following statements best predicts the effect of urea on the enzyme's function? Some carbon dioxide is added to the hot carbon and Wednesday, 08 June 2022 / Published in thousand oaks police breaking news today. (Click on the image to see a larger version) Check out the AP Bio Unit 2 Replays or watch the 2021 Unit 2 Cram. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. D) Repeating the experiment using heat-denatured peroxidase. The researchers dissolved the enzyme in an aqueous buffer solution and added urea to the solution. D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. The enzyme did not appear to have a secondary or tertiary structure. save. Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. Chapter 2 will be on Test #1, which fill feature Chapters 1-4. . B. (EU) , MKT3. Plant cell because it will become flaccid, B. Chemical energy being stored as glycogen A piston-cylinder device contains 0.85 kg of refrigerant-134a at -10^\circ{}C. Based on the following information, which of the following conclusions is most plausible? 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). 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. Which of the following statements best helps justify the researcher's claim? A) It will show whether the changes observed in group 1 depend on the metabolic activity of soil bacteria. D) Evidence that the Cyanobacteria produced oxygen as a by-product of photosynthesis, D) Evidence that the Cyanobacteria produced oxygen as a by-product of photosynthesis. What form of energy is represented by E II? D. The lysosome will repair the membrane and not die. A researcher claims that the incorporation of carbon dioxide into organic molecules during photosynthesis does not violate the second law of thermodynamics. AP Bio Unit 2: Cell Structure and Function Cheat Sheet by. 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. 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. Which of the following data would best refute this alternative hypothesis? [RELATED: AP Biology Data Question Strategies ]. B. 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) Below we provide practice questions for each type and strategies to find the correct answer in the alloted time. Biology is brought to you with support from the Amgen Foundation. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. 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. 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. 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. A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. Based on the information provided, Gaucher disease results most directly from a defect in the function of which of the following organelles? Civil Rights SAQ. 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). 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. 56% average accuracy. By blocking AMPK with an inhibitor, researchers found that AMPK activation is required for metformin to produce an inhibitory effect on glucose production by liver cells. AP Biology Practice Test: Unit 2 Cell Structure & Function. Chemical energy being stored in the bonds of glucose mark mester engaged You are allowed to use this resource on the AP Biology Exam. The local atmospheric pressure is 88 kPa. Based on Figure 3-1, which of the following statements best predicts the effect that a change from a moderately acidic environment (pH near 6) to a basic environment will have on peroxidase activity? 9th - 12th grade . D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. Call 1-800-KAP-TEST or email customer.care@kaplan.com, Contact Us
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