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). The endosymbiotic theory is summarized below. Biology. Start your own study with me session on our platform! Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. Welcome to Unit 2 AP Biology Multiple Choice Questions! Quiz AP Biology Unit 2 DRAFT 10th - 12th grade Played 580 times 71%average accuracy Biology 2 years ago by wmrichards 0 Save Edit Edit AP Biology Unit 2DRAFT 2 years ago by (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. C. Chemical energy in the form of ATP Water enters the cell causing it to sink, B. Click link for practice quizzes in all content of AP BIO: Which of the following properly links the nutrient to its reservoir? 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. 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. 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. Which of the following statements best justifies this claim? B. Expand All Every AP Biology Practice Test Available: Free and Official. Which of the following types of evidence will best support the researcher's claim, based on Figure 3-5? C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. AP Biology Multiple Choice Practice Questions. Based on the following information, which of the following conclusions is most plausible? Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. Call 1-800-KAP-TEST or email customer.care@kaplan.com, Contact Us 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. Wednesday, 08 June 2022 / Published in thousand oaks police breaking news today. By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. Which of the following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? AP Bio MCQ Unit 5. 24 terms . 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 Biology is an introductory college-level biology course. You need to answer all of the questions because a blank answer is a wrong answer. Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. A) pH 4 buffer solution and hydrogen peroxide only. Question 4. 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? 30 seconds. AP Bio: AP Classroom Unit 2 MCQ Flashcards. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . The valinomycin treatment caused a decrease in the activity of the mitochondria. 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. CA Privacy Policy, A. light reactions produce sugar, while the Calvin cycle produces O, D. the Calvin cycle produces both sugar and O, Test Your Skills, Take a Practice AP Biology Quiz. Cluster Hires in Carbon Electronics at NC State University in . 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. Test your knowledge of the skills in this course. Have a test coming up? A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. B. Hydrolytic enzymes leak into the cytoplasm causing digestion of vital proteins. AP Biology Unit 6 2021. a year ago 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. Use the video below to help you with the pigment FRQ AP Biology Lab 4: Plant Pigments and Photosynthesis Based on the results of the experiment, which of the following statements best predicts the effect of urea on the enzyme's function? It is known that f is increasing on the . With Super, get unlimited access to this resource and over 100,000 other Super resources. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. Information Storage and Transmission 4. A) The additional pigments allow the cyanobacteria to store light energy so that it can be used at night to continue photosynthesis. Systems Interactions AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. AP US History Exam: Period 6 Notes (1865-1898), AP Biology Stand Alone Question Stratgies. 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. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. Super resource. 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 form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). After the completion of glycolysis, the rest of cellular respiration occurs in the mitochondria, given that oxygen is present. 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? save. Donate or volunteer today! Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? B) An ecosystem is formed by the interaction of a community of organisms with their surrounding environment. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. 1, because testosterone is nonpolar and can diffuse through the membrane. 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. pressure in the system is 6.406.406.40 atmatmatm, what are the partial pressures 24 terms. The two stages of photosynthesis are the light-dependent reaction and the light-independent reaction. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. 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 Bio Unit 6 Progress Check: MCQ Flashcards. 23 terms. Identify TWO topographic . Unit 6 MCQ Part B, #1. 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. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. Subcellular and organelle components are especially important to know because they pop up throughout the year. A. Radiant energy in the form of photons A) Function will be disrupted by adding the urea and regained by removing the urea. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. Create your own unique website with customizable templates. D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. Carbohydrates and Lipids Time to check your answers on Unit 1 Practice Questions Answers and Review!. [RELATED: AP Biology Stand Alone Question Stratgies ]. A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. 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. . 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. 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 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. At 900C900^\circ C900C, KcK_cKc is 0.238. A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. D) Function will be unaffected by the addition and removal of the urea. Which cellular component will be found in the widest range of organisms in the sample? 56% average accuracy. AP Bio. At high concentrations of acetylcholine, however, a large increase in the substrate concentration results in only a small increase in the reaction rate. Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, A. 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 researchers carefully removed the urea from the solution and determined that the enzyme had the original secondary and tertiary structure again. *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 Statistics Practice Test Available: Free and Official. Which of the following statements best helps justify the researcher's claim? 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. 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. A) It will show whether the changes observed in group 1 depend on the metabolic activity of soil bacteria. 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? 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? Get started for free! The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. B. D) Some plasmids contain antibiotic resistance genes. Use two additional treatments, one containing only ethyl alcohol and one containing only acetate. 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. A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. Water will rush into the lysosome causing it to burst. A. Radiant energy in the form of photons Which of the following mechanisms do the water molecules most likely move into the large intestine? All organelles are essential, and students must understand all of them. D. The lysosome will repair the membrane and not die. Mitochondria are surrounded by a double membrane. 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. 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. A 20-kg base satellite deploys three sub-satellites, each of which has its https://library.fiveable.me/ap-bioStudy with friends using the #1 virtual studying platform for students! A. C. Chemical energy in the form of ATP Khan Academy is a 501(c)(3) nonprofit organization. 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. AP Biology Past Exam Questions AP Central. 2023 Fiveable Inc. All rights reserved. C. The pH of the cell will denature the hydrolytic enzymes. The ratio is 0.89, and the cells are LESS efficient at transferring oxygen. 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. D) The energy requirements for hatching European flycatchers and caterpillars are proportional to each other. What additional procedure would best help determine whether these movements are due to active transport or passive transport? The endosymbiotic theory is summarized below. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). Which of the following actions will provide a negative control for the investigation based on Figure 3-1? Why? 161 plays. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. 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. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? Which way would the purple molecules move through the semi-permeable membrane? Metformin activates AMPK in liver cells but cannot cross the plasma membrane. Which of the following functions is this cell type most likely specialized to perform? Which of the following functions is this cell type most likely specialized to perform? 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. The cecum is a portion of the large intestine located near the junction of the small intestine and the large intestine. 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. D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. If the transformation depicted in organelle B requires oxygen, what form of energy is represented by E IV? D) Some plasmids contain antibiotic resistance genes. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. 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 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. AP BIO - Unit 6 Topic Questions. Based on Figure 3-4, which of the following statements provides reasoning that supports the claim that brown fatty tissue keeps an animal warm?
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