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. 24 terms. If the pressure potential of the leaves increased to 1 Mpa, B. Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. 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. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). C) Evidence that some of the earliest organisms carried out photosynthesis without producing oxygen 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. Study Guide for Anatomy & Physiology, 9th Edition provides a . 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? Welcome to Unit 2 AP Biology Multiple Choice Questions! 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) Question 2 Answer The correct choice is C Which of the following observations best supports the model? Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. D) Yeast cells produce catalase, which is an enzyme that catalyzes the conversion of hydrogen peroxide into water and oxygen gas. 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? Two cellular organelles are represented by the letters A and B. Cell membranes, nucleic acids, mitochondria, A.rough endoplasmic reticulum, nucleus, lysosome, C. Golgi complex, rough endoplasmic reticulum, ribosomes, D. Golgi complex, mitochondria, chloroplast. Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. That means it should take you around 22 minutes to complete 15 questions. B. Biology. Which way would the purple molecules move through the semi-permeable membrane? Which of the following cellular deficiencies would most likely be related to these MT-ND1 mutations? C) It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate. Chloroplasts and some prokaryotes share similar photosynthetic reactions. , 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. 56% average accuracy. 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. own thrust capabilities, to perform research on tether propulsion. . AP Bio: AP Classroom Unit 2 MCQ Flashcards. AP BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. 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. QuebedeauxJ21. B. comparing the diploid and haploid forms of the organism. C) Female European flycatchers require energy to lay eggs, so they lay their eggs when the caterpillar biomass is maximal. 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]. ikea kitchen storage hacks. 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. The average cell cycle time is greater for the root tips growing in compact sand than for the root tips All organelles are essential, and students must understand all of them. 2015 ap micro frq - bnaj. 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. [RELATED: AP Biology Stand Alone Question Stratgies ]. At the instant shown, what is the angular Have a test coming up? Other sets by this creator. 1, because testosterone is nonpolar and can diffuse through the membrane. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. B) The amount of product will decrease until the reaction reaches its equilibrium point or the enzyme has been used up by the reaction. With Super, get unlimited access to this resource and over 100,000 other Super resources. 18 terms. https://library.fiveable.me/ap-bioStudy with friends using the #1 virtual studying platform for students! If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Page 4 of 5 Please respond on separate paper, following directions from your teacher. 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. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. C. Chemical energy in the form of ATP In an experiment, a solution of chloroplasts containing DPIP was divided among 4 tubes. A piston-cylinder device contains 0.85 kg of refrigerant-134a at -10^\circ{}C. 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). C) The experiment can be repeated without guaiacol, which will reveal the effect of guaiacol on the reaction rates. This unit is all about the cell and parts of the cell! Work for Kaplan D. determining if gametes are multicellular or unicellular. A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environments. Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline. 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? A) The thylakoid membrane is more permeable to carbon dioxide than to polar molecules. Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. Browse AP Biology exam prep resources including unit reviews, big ideas, free resp. AP Biology Unit 6 MCQ Flashcards | Quizlet. Here is the Remind # for Nease AP/IB Bio - text @98d7a8 to 81010. 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. In Fig. A) pH 4 buffer solution and hydrogen peroxide only. If the transformation depicted in organelle B requires oxygen, what form of energy is represented by E IV? A. Radiant energy in the form of photons Ap Bio Unit 6 Progress Check: MCQ Flashcards. Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? AP Bio. If you're seeing this message, it means we're having trouble loading external resources on our website. Which of the following transport mechanisms will be affected most directly by a temporary shortage of ATP molecules inside the cell? AP BIO - Unit 6 Topic Questions. 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 What should a team of students do next to obtain data that are more inclusive? 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). The movement of molecules across the plasma membrane occurs through a process called membrane transport. D) The total system that includes photosynthetic organisms and the Sun becomes less ordered over time. 9th - 12th grade . Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, D. Water leaves the cell, causing it to shrink, A. Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis? 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. The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. Ap Bio Ch 18 Reading Guide Answers (PDF). D. Species B and C have a common ancestor, since the cecum in species B and C is approximately the same length. At 900C900^\circ C900C, KcK_cKc is 0.238. The production and secretion of proteins A) Function will be disrupted by adding the urea and regained by removing the urea. 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. 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. I_am_failing. Unit 4 questions & answers for quizzes and tests - Quizizz Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. The researchers carefully removed the urea from the solution and determined that the enzyme had the original secondary and tertiary structure again. TheJovian67. Embryonic development, (A), does not reveal either of these characteristics, nor does fertilization, (C). B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. At high concentrations of acetylcholine, however, a large increase in the substrate concentration results in only a small increase in the reaction rate. A The production and secretion of steroids B D) Some plasmids contain antibiotic resistance genes. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? A) Function will be disrupted by adding the urea and regained by removing the urea. D. The lysosome will repair the membrane and not die. Which cellular component will be found in the widest range of organisms in the sample? What form of energy is represented by E II? 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.