D) Some plasmids contain antibiotic resistance genes. A.Ribosomes, cell membranes, nucleic acids, B. AP Biology Unit 2 Test Flashcards | Quizlet AP Biology Unit 2 Test Term 1 / 31 Water passes quickly through cell membranes because a. 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 following information, which of the following conclusions is most plausible? Which of the following statements best explains the findings? You need to answer all of the questions because a blank answer is a wrong answer. Based on the figure which of the following statements best describes the relationship between regions 1 and 2 of the protein? The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. Chloroplasts and some prokaryotes share similar photosynthetic reactions. Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. [RELATED: AP Biology Stand Alone Question Stratgies ]. Water will rush into the lysosome causing it to burst. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. 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. Based on the information provided, Gaucher disease results most directly from a defect in the function of which of the following organelles? 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. View Test_ Anatomy and Physiology Exam #1 (Ch. Cell Resp. Scoring GuidelinesStudent Performance Q&AScoring Statistics, Sample Responses Q1Sample Responses Q2Sample Responses Q3Sample Responses Q4, Scoring GuidelinesScoring CommentaryStudent Performance Q&AScoring Statistics, Scoring GuidelinesScoring CommentaryStudent Performance Q&A, Learning Opportunities for AP Coordinators. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. C) Photosynthetic organisms use the organic molecules during photosynthesis for growth and repair. Click the card to flip Definition 1 / 30 The production and secretion of proteins 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 by. Evolution 2. 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. Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. One way to determine the type of life cycle an organism has is by. 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) Which of the following claims about the origin of euglenid chloroplast is best supported by the 3- membrane structure of the envelope? A) pH 4 buffer solution and hydrogen peroxide only. 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). All gametes are unicellular, ruling out (D). Which tree shows a different evolutionary history for taxa AD than the other three trees? Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . Which of the following statements best justifies the researcher's claim? Create your own unique website with customizable templates. As evolution has occurred, cells have changed and have been altered. D) The total system that includes photosynthetic organisms and the Sun become less ordered over time. . C) Evidence that some of the earliest organisms carried out photosynthesis without producing oxygen If the pressure potential of the leaves increased to 1 Mpa, B. The engulfed prokaryote then formed an Endosymbiotic relationship with the eukaryotic host. Which way would the purple molecules move through the semi-permeable membrane? 24 terms . Water will rush into the lysosome causing it to burst. Use two additional treatments, one containing only ethyl alcohol and one containing only acetate. rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. . A researcher claims that the incorporation of carbon dioxide into organic molecules during photosynthesis does not violate the second law of thermodynamics. Which of the following best predicts what will happen to the lysosomal enzymes if the proteins that transport H+ ions from the cytosol into the lysosome are damaged? Not on this quizlet: 16 A) The active site of AChE is specific for acetylcholine, and only one substrate molecule can occupy the active site at a time. Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. 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. Create engaging Jeopardy-style quiz games in minutes or. D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. C) Function will be gained by adding the urea and disrupted by removing the urea. 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). The endosymbiotic theory is summarized below. AP Bio Unit 2: Cell Structure and Function Cheat Sheet. B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. Click the card to flip Definition 1 / 30 The production and secretion of proteins. D) The energy requirements for hatching European flycatchers and caterpillars are proportional to each other. 2023 Fiveable Inc. All rights reserved. *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. If you're seeing this message, it means we're having trouble loading external resources on our website. B) European flycatcher hatchlings begin to need energy to leave the nest only after the caterpillars have turned into pupae. Hufflepuff_Hamilton. Tests amp Quizzes AP Euro. save. 45 Questions Show answers Question 1 30 seconds Q. It's Free, Easy and Loads of fun! AP Biology Unit 6 MCQ Flashcards | Quizlet. 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 movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. There are different types of transport proteins, including channels, pumps, and carriers, which work to transport molecules in different ways. TheJovian67. In humans, blood pH is around 7.4, and a decrease in blood pH to 6.4 would be fatal. Period7langhart. AP Biology Practice Test: Unit 7 Natural Selection. When beetroot cells are placed in a solution with cellulase, the solution remains clear. 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. Wednesday, 08 June 2022 / Published in thousand oaks police breaking news today. D) Some plasmids contain antibiotic resistance genes. C. The pH of the cell will denature the hydrolytic enzymes. own thrust capabilities, to perform research on tether propulsion. carbon monoxide, carbon dioxide, and solid carbon. At 900C900^\circ C900C, KcK_cKc is 0.238. 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 The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. Include a substance known to block ATP use by the plasma membrane. A) Function will be disrupted by adding the urea and regained by removing the urea. It was mostly incorporated into proteins that regulate and manage metabolic reactions. Here is the Remind # for Nease AP/IB Bio - text @98d7a8 to 81010. Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline. Click the card to flip Flashcards Learn Test Match Created by maras826 Terms in this set (30) 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. Question 8. Q. 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. 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. 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? A) The uncoupling protein in this tissue increases the production of ATP and causes more body heat to be produced to warm the animal. C) It will act as a control for test tube 6 by showing the effect of the presence or absence of the enzyme. (C) The data on cecum length and diet are insufficient to draw conclusions about the relatedness of species, so rule out (C) and (D). 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. The 2020 free-response questions are available in theAP Classroom question bank. 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. 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? Unit 2 of AP Biology covers cell structure and function. B) The amount of product will decrease until the reaction reaches its equilibrium point or the enzyme has been used up by the reaction. 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? AP Biology is an introductory college-level biology course. B) An ecosystem is formed by the interaction of a community of organisms with their surrounding environment. 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. 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? D) The total system that includes photosynthetic organisms and the Sun becomes less ordered over time. 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. Species A is more closely related to species D than to species B, because A and D are both herbivores. Based on the information presented, how does aldosterone most likely enter target cells? Answer the following questions about the various processes depicted in the diagram and about the cell in which they are occurring. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. What form of energy is represented by E II? 1.1 | Structure of Water and Hydrogen Bonding 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). (Click on the image to see a larger version) Check out the AP Bio Unit 2 Replays or watch the 2021 Unit 2 Cram. Others act as channels or pumps, allowing specific molecules to pass through the membrane. Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. 18 terms. 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. The cell is unable to complete reactions related to electron transport and ATP production. D. Chemical energy released by glycolysis By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. Energetics 3. 56% average accuracy. AP is a registered trademark of the College Board, which has not reviewed this resource. AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. Repeat the process with other salt concentrations. 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. . Exam Date: may 2, 2022. 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. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. Unit 2 Population and Migration Patterns and Processes. 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). Why? After the completion of glycolysis, the rest of cellular respiration occurs in the mitochondria, given that oxygen is present. 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. Hydrolytic enzymes will be released, which will cause cell death. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. It is known that f is increasing on the . 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 local atmospheric pressure is 88 kPa. A. ap chemistry unit 8 progress check mcq answers. Ap Bio Ch 18 Reading Guide Answers (PDF). B) Some antibiotics inhibit protein synthesis in bacteria cells. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. 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. A set of five additional test tubes were prepared and used as controls. The transport of GLUCOSE molecules against a concentration gradient. AP Euro Unit 2 Quiz ProProfs Quiz. Which cellular component will be found in the widest range of organisms in the sample? Which of the following conclusions about the radiolabeled amino acid is best supported by the results of the experiment? The molecules does not contain OH\mathrm{O}-\mathrm{H}OH bonds. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. C. determining when in the life cycle fertilization occurs. C) Some enzymes embedded in the thylakoid membrane catalyze the hydrolysis of ATP. 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. Click here for the practice questions: B. Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. Ap Bio Unit 6 Progress Check: MCQ Flashcards. Thus, the efficiency = (219 kCal)/ (686 kCal) = 31.9%. If the total Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. Which prediction of the effect of this disruption of cellular compartmentalization is most likely correct? Welcome to Unit 2 AP Biology Multiple Choice Questions! The Expert s Guide to the AP European History Exam. 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. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. 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. D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. 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 . Course and Exam Description Download AP Biology Course and Exam Description Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. 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. Cell Respiration Practice Questions AND ANSWER KEY for the questions are posted below. 2023 Fiveable Inc. All rights reserved. Subcellular and organelle components are especially important to know because they pop up throughout the year. Which of the following functions is the cell type most likely specialized to perform? Unit 6 MCQ Part B, #1. 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? he following diagram shows energy transformations within a cell. https://play.kahoot.it/#/k/9b845f6e-d42a-434e-abed-a59973d4ceda. B. Terms and Conditions Copyright Kaplan, Inc. All Rights Reserved. AP US History Exam: Period 6 Notes (1865-1898), AP Biology Stand Alone Question Stratgies. C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. Khan Academy is a 501(c)(3) nonprofit organization. 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. Ap Bio Unit 5: MCQ progress check. 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. C. Chemical energy in the form of ATP A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. C) The experiment can be repeated without guaiacol, which will reveal the effect of guaiacol on the reaction rates. Subtraction of which of the following will convert gross primary productivity into net primary productivity? Chemical energy being stored in the bonds of glucose (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. 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. It is known that f is increasing on the . Why? Based on Table 3-4, which of the following statements best clarifies how the data support the researcher's claim? 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. unit 6 progress check mcq ap lang answers. In this case, osmoregulation allows cells to maintain their internal solute balance. 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. The multiple choice questions are composed of two types of questions, stand alone and data questions. Carbohydrates and Lipids Time to check your answers on Unit 1 Practice Questions Answers and Review!. 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. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. SComplete study guide/review with practice. The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. 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).
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