ap bio unit 2 mcq quizlet ap bio unit 2 mcq quizlet

D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. Question 1 300 seconds Q. Cell Resp. Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. A. C(s)+CO2(g)2CO(g);H=172.5kJC(s) + CO_2(g) \rightleftharpoons 2CO(g); \Delta H^\circ = 172.5 kJC(s)+CO2(g)2CO(g);H=172.5kJ B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. COVID-19 Updates The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy 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 carbohydrates. Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. Researchers have found that substituting a lead ion for a zinc ion in the ALAD active site causes inhibition of ALAD. Expand All Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. Browse AP Biology exam prep resources including unit reviews, big ideas, free response help, and practice questions. The Na+ concentration inside the cell will increase. 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. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. Which of the following statements best helps justify the researcher's claim by providing a relevant example? A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. The production and secretion of proteins 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? 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. The endosymbiotic theory is summarized below. Identify TWO topographic . masses of sub-satellites A,B, and C are 4 kg, 6 kg, and 8 kg, respectively, D) Some plasmids contain antibiotic resistance genes. The cell is unable to complete reactions related to electron transport and ATP production. and their velocities expressed in m/s are given by vA = 4i 2j + 2k, Use two additional treatments, one containing only ethyl alcohol and one containing only acetate. Which of the following statements best explains the findings? Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. 2023 Fiveable Inc. All rights reserved. Based on the data which cell is likely to be most effective In the exchange of materials? The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. If the pressure potential of the leaves increased to 1 Mpa, B. vB = i + 4j, vC = 2i + 2j + 4k. 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. The engulfed prokaryote then formed an Endosymbiotic relationship with the eukaryotic host. A piston-cylinder device contains 0.85 kg of refrigerant-134a at -10^\circ{}C. D) Yeast cells produce catalase, which is an enzyme that catalyzes the conversion of hydrogen peroxide into water and oxygen gas. A) Organisms contain enzymes that lower the activation energies of specific chemical reactions 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. Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis? AP Biology Unit 6 2021. a year ago by . Which of the following mechanisms do the water molecules most likely move into the large intestine? A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. Which of the following statements best establishes a connection between the observation and the researcher's claim? AP Biology Past Exam Questions AP Central. A. Which of the following statements best helps justify the researcher's claim? 1.1 | Structure of Water and Hydrogen Bonding AP Environmental Science Unit 1 Progress Check: MCQ Term 1 / 18 Six white-tailed deer Unit 3 progress check mcq ap lang answers About Apes Frq Unit 6. Unit 2 Population and Migration Patterns and Processes. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. AP Biology Unit 6 MCQ. C. The pH of the cell will denature the hydrolytic enzymes. The researchers dissolved the enzyme in an aqueous buffer solution and added urea to the solution. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. 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. Which of the following statements best justifies the use of the proposed modification as a way of creating an appropriate control for the investigation based on Figure 3-1? The ratio DECREASES from 0.86 to 0.63, because fewer stomata are needed at higher CO2 concentrations. 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. There are different types of transport proteins, including channels, pumps, and carriers, which work to transport molecules in different ways. 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. Unit 4 questions & answers for quizzes and tests - Quizizz Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. 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.Ribosomes, cell membranes, nucleic acids, B. Donate or volunteer today! Dig into the structure and function of DNA, a theme that will recur through this course. AP Biology - Unit 2 3.0 (1 review) Term 1 / 158 What do growth, reproduction, and homeostasis requires that cells do? A zinc ion binds to the ALAD active site, where it forms favorable interactions with the side chains of three amino acids. AP Biology Practice Test: Unit 4 Cell Communication & Cell Cycle. Jutta Marateo-Gonzalez. What are they called?  Preview this quiz on Quizizz. D) The total system that includes photosynthetic organisms and the Sun becomes less ordered over time. Super resource. What is one example of an advantage of biodiversity in an ecosystem? Grab some paper and a pencil to record your answers as you go. Chloroplasts and some prokaryotes share similar photosynthetic reactions. 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? A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. 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. AP_Biology_Unit_1_Chemisty_of_Life_Exam_2020_2021. Period7langhart. 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. 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. 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 molecules does not contain OH\mathrm{O}-\mathrm{H}OH bonds. 2023 Fiveable Inc. All rights reserved. A set of five additional test tubes were prepared and used as controls. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. Wednesday, 08 June 2022 / Published in thousand oaks police breaking news today. D. Chemical energy released by glycolysis B. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. At 900C900^\circ C900C, KcK_cKc is 0.238. SComplete study guide/review with practice. Biology is brought to you with support from the Amgen Foundation. Hufflepuff_Hamilton. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. Why? 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? https://play.kahoot.it/#/k/9b845f6e-d42a-434e-abed-a59973d4ceda. The C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. 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. ikea kitchen storage hacks. 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. D) they r embedded in the phospholipid bilayer. DBQ. Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). Compare the graphs of these two treatments to the original graph. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. 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. 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. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. 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.