Glycolysis is the first step in cell respiration and occurs with or without oxygen present and shows common ancestry. 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? A) Organisms contain enzymes that lower the activation energies of specific chemical reactions D. Chemical energy released by glycolysis. If the pressure potential of the leaves increased to 1 Mpa, B. AP Biology Unit 2 Test Flashcards | Quizlet AP Biology Unit 2 Test Term 1 / 31 Water passes quickly through cell membranes because a. Metformin activates AMPK in liver cells but cannot cross the plasma membrane. A) Function will be disrupted by adding the urea and regained by removing the urea. C) Function will be gained by adding the urea and disrupted by removing the urea. Which of the following statements best explains the findings? Question 2 Answer The correct choice is C 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). 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. Not on this quizlet: 16 Which of the following claims about the effects of the valinomycin treatment is best supported by the data presented in the table? 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 picture is an example of. Plant cell because it will become flaccid, B. Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. Question 4. and their velocities expressed in m/s are given by vA = 4i 2j + 2k, pressure in the system is 6.406.406.40 atmatmatm, what are the partial pressures . Systems Interactions The production and secretion of proteins. D) A molecule with negative charges interacts with positively charged side chains in the enzyme's active site. A 20-kg base satellite deploys three sub-satellites, each of which has its 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. Which of the following indicates where testosterone enters the cell and why is able to cross at that point? rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. C. The pH of the cell will denature the hydrolytic enzymes. D. determining if gametes are multicellular or unicellular. A. light reactions produce sugar, while the Calvin cycle produces O2. 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 BIOLOGY > Unit 2 Resources A Practice Exam AND Answer Key have been posted below. 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. 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. C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. Ap Bio Unit 6 Progress Check: MCQ Flashcards. Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. B) Some antibiotics inhibit protein synthesis in bacteria cells. 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). momentum HO of the system about the base satellite? A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. 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. Period7langhart. Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. Create your own unique website with customizable templates. Embryonic development, (A), does not reveal either of these characteristics, nor does fertilization, (C). Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. AP Biology Unit 6 MCQ. The researchers carefully removed the urea from the solution and determined that the enzyme had the original secondary and tertiary structure again. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. 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 lysosome will repair the membrane and not die. A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environments. 2213, what is the current with S1S_1S1 closed? Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. Quiz AP Biology Unit 2 DRAFT 10th - 12th grade Played 580 times 71%average accuracy Biology 2 years ago by wmrichards 0 Save Edit Edit AP Biology Unit 2DRAFT 2 years ago by At 900C900^\circ C900C, KcK_cKc is 0.238. What should a team of students do next to obtain data that are more inclusive? 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). If you saw a black sheep, you would be able to identify answer choices its phenotype for hair color its genotype for hair color the genotype of only one of its parents Click the card to flip Definition 1 / 30 The production and secretion of proteins. Dig into the structure and function of DNA, a theme that will recur through this course. 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? B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis 24 terms. 18 terms. With Super, get unlimited access to this resource and over 100,000 other Super resources. Course and Exam Description Download AP Biology Course and Exam Description The ratio DECREASES from 0.86 to 0.63, because fewer stomata are needed at higher CO2 concentrations. ap chemistry unit 8 progress check mcq answers. Life cycles are characterized by the timing of meiosis and the characteristics of the diploid and haploid generations. 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. Which of the following statements best establishes a connection between the observation and the researcher's claim? Browse AP Biology exam prep resources including unit reviews, big ideas, free resp. 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 amount of product will increase until the reaction rate goes to zero. B) The amount of product will decrease until the reaction reaches its equilibrium point or the enzyme has been used up by the reaction. 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. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. Which of the following cellular deficiencies would most likely be related to these MT-ND1 mutations? 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. A) It will show whether the changes observed in group 1 depend on the metabolic activity of soil bacteria. D. Chemical energy released by glycolysis 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 valinomycin treatment caused a decrease in the activity of the mitochondria. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting. (Click on the image to see a larger version) Check out the AP Bio Unit 2 Replays or watch the 2021 Unit 2 Cram. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. AP Bio MCQ Unit 5. Which of the following statements best justifies this claim? By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. It increases the surface area available for ATP production, which results in faster cell growth. *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. Hufflepuff_Hamilton. 9th - 12th grade . the amount of energy required to raise the temperature of 1 gram of water by 1 degree C. the amount of energy released by metabolism of one gram of glucose. 45 Questions Show answers Question 1 30 seconds Q. The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. Based on Table 3-3, which of the following statements best helps justify the inclusion of test tube 5 in the experiment? If the pressure potential of the leaves increased to 1 Mpa, B. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. The production and secretion of proteins B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. . The local atmospheric pressure is 88 kPa. Grab some paper and a pencil to record your answers as you go. Expand All At high temperatures, a dynamic equilibrium exists between b. 2023 Fiveable Inc. All rights reserved. Which of the following functions is this cell type most likely specialized to perform? The plasma membrane is made of a phospholipid bilayer, composed of two layers of phospholipid molecules, with the hydrophobic tails facing inward and the hydrophilic heads facing outward. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. Q. Chloroplasts and some prokaryotes share similar photosynthetic reactions. The endosymbiotic theory is summarized below. Energetics 3. C) Female European flycatchers require energy to lay eggs, so they lay their eggs when the caterpillar biomass is maximal. Below we provide practice questions for each type and strategies to find the correct answer in the alloted time. vB = i + 4j, vC = 2i + 2j + 4k. masses of sub-satellites A,B, and C are 4 kg, 6 kg, and 8 kg, respectively, One of the researchers proposes using oxygen gas production to measure reaction rates. At low concentrations of acetylcholine, a small increase in the substrate concentration results in a large increase in the reaction rate. C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. A) Evidence that some of the earliest eukaryotes used oxygen to produce ATP by cellular respiration 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. Question 1 300 seconds Q. Use the video below to help you with the pigment FRQ AP Biology Lab 4: Plant Pigments and Photosynthesis AP Bio. Cladogram Practice LOOK OVER AT LEAST ONE! Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. A deep dive into how life on Earth originated, adapted, and flourished. 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. What is one example of an advantage of biodiversity in an ecosystem? Include a substance known to block ATP use by the plasma membrane. D) Some plasmids contain antibiotic resistance genes. The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. c. How will the equilibrium system respond if additional A) Some antibiotics inhibit the synthesis of bacterial cell walls. If water potential outside of the plant cell is higher 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, Connect with other students studying AP Environmental Science with, Answers and Review for Multiple Choice Practice on Cell Structure and Function. In humans, blood pH is around 7.4, and a decrease in blood pH to 6.4 would be fatal. The Na+ concentration inside the cell will increase. Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? Researchers have found that substituting a lead ion for a zinc ion in the ALAD active site causes inhibition of ALAD. 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. carbon monoxide, carbon dioxide, and solid carbon. Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, A. Work for Kaplan However, the most critical organelles are: , The mitochondria is the site where cellular respiration occurs. AP Bio Unit 2: Cell Structure and Function Cheat Sheet by. In an experiment, a solution of chloroplasts containing DPIP was divided among 4 tubes. Cell Resp. B. QuebedeauxJ21. Chapter 2 will be on Test #1, which fill feature Chapters 1-4. D) they r embedded in the phospholipid bilayer. The 2015 ap micro frq - bnaj. Unit 4 Progress Check: MCQ root tips growing in compact sand. 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. 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. A. 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). 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. .