Browse AP Biology exam prep resources including unit reviews, big ideas, free resp. 23 terms. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? Unit 4 Progress Check: MCQ root tips growing in compact sand. One of the researchers proposes using oxygen gas production to measure reaction rates. Each form of energy is represented by the symbols E IE IV. Biology. A. 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? 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). Privacy Policy 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. D) Carbon fixation in the Calvin-Benson cycle takes place in the stroma of chloroploasts. 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). B. C. Chemical energy in the form of ATP 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. Now, heat is transferred to refrigerant-134a until the temperature is 15^\circ{}C. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. Ap Bio Unit 6 Progress Check: MCQ Flashcards. c. Carbon dissolved CO2 in aquatic ecosystems. Actual cell membranes have a variety of proteins embedded in the membrane that are absent in the artificial membrane. A phospholipid has 2 parts. or. 45 Questions Show answers Question 1 30 seconds Q. Plant cell because it will become flaccid, B. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. a. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. View Test_ Anatomy and Physiology Exam #1 (Ch. 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]. Create your own unique website with customizable templates. 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. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. C) The experiment can be repeated without guaiacol, which will reveal the effect of guaiacol on the reaction rates. Page 4 of 5 Please respond on separate paper, following directions from your teacher. Partner Solutions Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. 2 Save Share Copy and Edit Edit. In humans, blood pH is around 7.4, and a decrease in blood pH to 6.4 would be fatal. Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. 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. DBQ. Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. Which tree shows a different evolutionary history for taxa AD than the other three trees? The light-dependent reaction occurs in the grana and produces the ATP and NADPH necessary for the light-independent reaction. The 2020 free-response questions are available in theAP Classroom question bank. Carbohydrates and Lipids Time to check your answers on Unit 1 Practice Questions Answers and Review!. carbon at 900C900^\circ C900C is added to the reaction system? C) Some enzymes embedded in the thylakoid membrane catalyze the hydrolysis of ATP. D. Chemical energy released by glycolysis. 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. The valinomycin treatment caused a decrease in the activity of the mitochondria. AP BIO - Unit 6 Topic Questions. After the completion of glycolysis, the rest of cellular respiration occurs in the mitochondria, given that oxygen is present. AP Biology - Unit 2 3.0 (1 review) Term 1 / 158 What do growth, reproduction, and homeostasis requires that cells do? Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. 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. SComplete study guide/review with practice. Which of the following actions will provide a negative control for the investigation based on Figure 3-1? It is known that f is increasing on the . The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. A researcher claims that the incorporation of carbon dioxide into organic molecules during photosynthesis does not violate the second law of thermodynamics. 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). D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. Which of the following claims about the effects of the valinomycin treatment is best supported by the data presented in the table? 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. Which of the following types of evidence will best support the researcher's claim, based on Figure 3-5? 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. When the concentration of AChE in an aqueous solution is held constant, the rate of the reaction catalyzed by AChE increases with increasing concentrations of substrate. The picture is an example of. C. The pH of the cell will denature the hydrolytic enzymes. 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 following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? At high temperatures, a dynamic equilibrium exists between Based on the following information, which of the following conclusions is most plausible? The production and secretion of proteins Learn about the chemistry of life in unit 1 of the AP Biology course. 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). Which of the following observations best supports the model? 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. (EU) , MKT3. All organelles are essential, and students must understand all of them. AP US History Exam: Period 6 Notes (1865-1898), AP Biology Stand Alone Question Stratgies. Embryonic development, (A), does not reveal either of these characteristics, nor does fertilization, (C). Thushara Samarawickrama - Physics Teacher - LinkedIn. A piston-cylinder device contains 0.85 kg of refrigerant-134a at -10^\circ{}C. Which of the following mechanisms do the water molecules most likely move into the large intestine? , 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. A) It will show whether the changes observed in group 1 depend on the metabolic activity of soil bacteria. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes, D. Golgi complex, mitochondria, chloroplast. 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. Test your knowledge of the skills in this course. 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 . Chapter 2 will be on Test #1, which fill feature Chapters 1-4. The endosymbiotic theory is summarized below. 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). A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environments. Question 1 300 seconds Q. A. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. A.water enters the cell causing it to sink, B. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. the system is brought to equilibrium at 900C900\circ C900C. Period7langhart. The average cell cycle time is greater for the root tips growing in compact sand than for the root tips A set of five additional test tubes were prepared and used as controls. 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. 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 Other sets by this creator. Our mission is to provide a free, world-class education to anyone, anywhere. AP Biology Unit 6 2021. a year ago by . If the total 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? 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. Organisms that reproduce sexually exhibit zygotic, gametic, or sporic meiosis. 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? Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. 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: AP Classroom Unit 2 MCQ Flashcards. 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. Start your own study with me session on our platform! 1, because testosterone is nonpolar and can diffuse through the membrane. 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). B) European flycatcher hatchlings begin to need energy to leave the nest only after the caterpillars have turned into pupae. The production and secretion of proteins. The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. It originated from the incorporation of a photosynthetic prokaryote into a eukaryote cell by the TWO Endosymbiotic events. It's Free, Easy and Loads of fun! Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. Candidates should submit: A 2-3 page research plan, a cover letter describing interdisciplinary research experience and how it connects to the interests and goals of the Carbon cluster, and a 1-3 page teaching statement that includes specific discussion of accomplishments and plans for promoting inclusive and equitable education, outreach, or. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. What form of energy is represented by E II? Unit 6 MCQ Part B, #1 Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. 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. Unit 4 questions & answers for quizzes and tests - Quizizz Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. Water will rush into the lysosome causing it to burst. Which cellular component will be found in the widest range of organisms in the sample? , Chloroplasts are the site where photosynthesis occurs. Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. 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) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. Question 3. Life cycles are characterized by the timing of meiosis and the characteristics of the diploid and haploid generations. AP Biology Unit 6 MCQ. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. 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. Which of the following statements best justifies the researcher's claim? C. The pH of the cell will denature the hydrolytic enzymes. 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. C) Evidence that some of the earliest organisms carried out photosynthesis without producing oxygen Systems Interactions The enzyme did not appear to have a secondary or tertiary structure. A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration The molecules does not contain OH\mathrm{O}-\mathrm{H}OH bonds. A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. Cladogram Practice LOOK OVER AT LEAST ONE! With Super, get unlimited access to this resource and over 100,000 other Super resources. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). 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. Subtraction of which of the following will convert gross primary productivity into net primary productivity? masses of sub-satellites A,B, and C are 4 kg, 6 kg, and 8 kg, respectively, Which of the following functions is this cell type most likely specialized to perform? At the instant shown, what is the angular Click here for the practice questions: B. Which of the following statements best explains the findings? The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. Ap Bio Ch 18 Reading Guide Answers (PDF). Chloroplasts and some prokaryotes share similar photosynthetic reactions. Here is the Remind # for Nease AP/IB Bio - text @98d7a8 to 81010. Evolution 2. What additional procedure would best help determine whether these movements are due to active transport or passive transport? C) It will act as a control for test tube 6 by showing the effect of the presence or absence of the enzyme. AP Bio MCQ Unit 5. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. Identify TWO topographic . 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? 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? 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. Question 2 Answer The correct choice is C Question 4. Subcellular and organelle components are especially important to know because they pop up throughout the year. 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. Ap Bio Unit 5: MCQ progress check. Which test tubes are controls in the experiment based on Table 3-1? A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. vB = i + 4j, vC = 2i + 2j + 4k. 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. C) Photosynthetic organisms use the organic molecules during photosynthesis for growth and repair. 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. C) Female European flycatchers require energy to lay eggs, so they lay their eggs when the caterpillar biomass is maximal. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. carbon monoxide, carbon dioxide, and solid carbon. Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? 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 Unit 2 Test Flashcards | Quizlet AP Biology Unit 2 Test Term 1 / 31 Water passes quickly through cell membranes because a. Grab some paper and a pencil to record your answers as you go. TheJovian67. 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. It increases the surface area available for ATP production, which results in faster cell growth. D) The energy requirements for hatching European flycatchers and caterpillars are proportional to each other. I_am_failing. 9th - 12th grade . For your second answer, remember that efficiency is (energy output)/ (energy input). A) The amount of product will increase until the reaction rate goes to zero. What is one example of an advantage of biodiversity in an ecosystem? c. How will the equilibrium system respond if additional The endosymbiotic theory is summarized below. The local atmospheric pressure is 88 kPa. 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. Based on Figure 3-4, which of the following statements provides reasoning that supports the claim that brown fatty tissue keeps an animal warm? unit 6 progress check mcq ap lang answers. Some carbon dioxide is added to the hot carbon and The Course challenge can help you understand what you need to review. Donate or volunteer today! 18 terms. AP Biology Unit 6 MCQ Flashcards | Quizlet. 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. 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. B. comparing the diploid and haploid forms of the organism. 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? Jutta Marateo-Gonzalez. Which prediction of the effect of this disruption of cellular compartmentalization is most likely correct? Which of the following claims about the origin of euglenid chloroplast is best supported by the 3- membrane structure of the envelope? These emerging properties are mostly due to: Question 3 Which type of chemical bond involves the transfer of electrons from one atom to another, resulting in oppositely charged ions that are attracted to each other? D. Chemical energy released by glycolysis Terms and Conditions 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 helps justify the researcher's claim? Have a test coming up? 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? 2213, what is the current with S1S_1S1 closed? D) The amount of product will increase without stopping because the enzyme will be unchanged by the reaction. A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. 1.1 | Structure of Water and Hydrogen Bonding C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. At high concentrations of acetylcholine, however, a large increase in the substrate concentration results in only a small increase in the reaction rate. Glycolysis is the first step in cell respiration and occurs with or without oxygen present and shows common ancestry. of COCOCO and CO2CO_2CO2? Researchers have found that substituting a lead ion for a zinc ion in the ALAD active site causes inhibition of ALAD. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. Repeat the process with other salt concentrations. Get started for free! Which of the following statements best justifies this claim? C) It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate. The transport of GLUCOSE molecules against a concentration gradient. The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. Below we provide practice questions for each type and strategies to find the correct answer in the alloted time. momentum HO of the system about the base satellite? What should a team of students do next to obtain data that are more inclusive? Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. 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. In an experiment, a solution of chloroplasts containing DPIP was divided among 4 tubes. Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis? [RELATED: AP Biology Data Question Strategies ]. A. D) Some plasmids contain antibiotic resistance genes. The researchers dissolved the enzyme in an aqueous buffer solution and added urea to the solution. Why? Question 8. Answer the following questions about the various processes depicted in the diagram and about the cell in which they are occurring. 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? Include a substance known to block ATP use by the plasma membrane. Work for Kaplan Expand All As evolution has occurred, cells have changed and have been altered. 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.
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