Unit 4 questions & answers for quizzes and tests - Quizizz Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. A.water enters the cell causing it to sink, B. Period7langhart. Plant cell because it will become flaccid, C. Animal cell because it will become turgid, A. Q. 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. The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. he following diagram shows energy transformations within a cell. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. 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. 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. Click here for the practice questions: B. 2023 Fiveable Inc. All rights reserved. vB = i + 4j, vC = 2i + 2j + 4k. Use the video below to help you with the pigment FRQ AP Biology Lab 4: Plant Pigments and Photosynthesis Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. The ratio DECREASES from 0.86 to 0.63, because fewer stomata are needed at higher CO2 concentrations. The endosymbiotic theory is where organelles that were once free-living prokaryotic cells became engulfed and serve a purpose now inside the cell. Use two additional treatments, one containing only ethyl alcohol and one containing only acetate. However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. At high temperatures, a dynamic equilibrium exists between Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. 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. 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. 2023 Fiveable Inc. All rights reserved. A researcher claims that the phycobiliprotein pigments in cyanobacteria allow the cyanobacteria to survive in certain aquatic niches better than green algae can. 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. Subtraction of which of the following will convert gross primary productivity into net primary productivity? What is the value of KpK_pKp? The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. Click the card to flip Definition 1 / 30 The production and secretion of proteins Biology. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. Cluster Hires in Carbon Electronics at NC State University in . 24 terms. 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. *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. Click the card to flip Flashcards Learn Test Match Created by maras826 Terms in this set (30) Organisms that reproduce sexually exhibit zygotic, gametic, or sporic meiosis. The Expert s Guide to the AP European History Exam. Ap Bio Ch 18 Reading Guide Answers (PDF). 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). It is known that f is increasing on the . Which of the following claims about the effects of the valinomycin treatment is best supported by the data presented in the table? 2023 Fiveable Inc. All rights reserved. A) The active site of AChE is specific for acetylcholine, and only one substrate molecule can occupy the active site at a time. 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? AP Biology Multiple Choice Practice Questions. Unit 2 of AP Biology covers cell structure and function. Identify TWO topographic . (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. 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). D. Chemical energy released by glycolysis A researcher claims that the incorporation of carbon dioxide into organic molecules during photosynthesis does not violate the second law of thermodynamics. For your second answer, remember that efficiency is (energy output)/ (energy input). Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. 161 plays. Mitochondria are surrounded by a double membrane. To do this, materials must be able to move in and out of the cell as needed, and this movement is facilitated by the plasma membrane. 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. Our mission is to provide a free, world-class education to anyone, anywhere. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. The researchers dissolved the enzyme in an aqueous buffer solution and added urea to the solution. 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. Subcellular and organelle components are especially important to know because they pop up throughout the year. Create engaging Jeopardy-style quiz games in minutes or. Thushara Samarawickrama - Physics Teacher - LinkedIn. AP Biology Practice Test: Unit 7 Natural Selection. 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). (C) The data on cecum length and diet are insufficient to draw conclusions about the relatedness of species, so rule out (C) and (D). Question 4. The movement of molecules across the plasma membrane occurs through a process called membrane transport. 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? A zinc ion binds to the ALAD active site, where it forms favorable interactions with the side chains of three amino acids. At 900C900^\circ C900C, KcK_cKc is 0.238. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. Chloroplasts and some prokaryotes share similar photosynthetic reactions. Jutta Marateo-Gonzalez. mark mester engaged You are allowed to use this resource on the AP Biology Exam. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). B) Some antibiotics inhibit protein synthesis in bacteria cells. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. 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. 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. Researchers have found that substituting a lead ion for a zinc ion in the ALAD active site causes inhibition of ALAD. 45 Questions Show answers Question 1 30 seconds Q. 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? 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. 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]. On separate diagrams, sketch the formation of sigma and pi bonds. Get started for free! Learn about the chemistry of life in unit 1 of the AP Biology course. A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. 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) 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. In humans, blood pH is around 7.4, and a decrease in blood pH to 6.4 would be fatal. 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. 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? Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. 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. Which of the following mechanisms do the water molecules most likely move into the large intestine? Have a test coming up? Which of the following statements best justifies this 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. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. Ap Bio Unit 6 Progress Check: MCQ Flashcards. 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). A The production and secretion of steroids B AP Bio Unit 2: Cell Structure and Function Cheat Sheet by. c. Carbon dissolved CO2 in aquatic ecosystems. 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? B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. [RELATED: AP Biology Data Question Strategies ]. unit 6 progress check mcq ap lang answers. The production and secretion of proteins. Which of the following statements best justifies the researcher's claim? Some carbon dioxide is added to the hot carbon and 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. What should a team of students do next to obtain data that are more inclusive? It was mostly incorporated into proteins that regulate and manage metabolic reactions. 9th - 12th grade . 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
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