nathan_purdey. What is the trophic level of the Leopard seal? Get Ready to Rock IB Bio Papers! ... IB Biology Topic 1 Flashcard Maker: Haleigh Wallace. The synthesis of a functional gene product, often protein, but also rRNA, tRNA, or snRNA. This quiz was compiled from questions from past IB Biology International exams. This IB Biology Study Guide is ordered using the IB Biology Syllabus. The following shows a diagram of a food web. Which expected effect of temperature increase on Arctic ecosystems will increase carbon dioxide in the atmosphere? davek. Biology. When you finish this, you'll have an idea of how you'll do on the real exam, and whether or not you might need to study more. 1.1.U3 Surface area to volume ratio is important in the limitation of cell size. IB Biology Exam Secrets Topic 3: Genetics. Singer and Garth Nicolson in 1972 to describe the observed structural features of biological membranes. IB Biology 1.1 Introduction to cells - Examination style question booklets with Mark schemes (no rating) 0 customer reviews. A membrane that forms midway between dividing plant cells during cytokinesis and later becomes the cell wall. Membrane that allows some substances to diffuse through but not others. Passive movement of particles from a region of higher concentration to a region of lower concentration. The final stage of mitosis in which the separated chromosomes reach the opposite poles of the dividing cell and the nuclei of the daughter cells form around them. Hollow protein tubes seen during the mitosis of animal cells. Proteins on the surface of the plasma membrane. The rate of passive diffusion of molecules through the membrane, which depends on the electric charge, size, and polarity of the molecule. This is a quick revision test designed to make sure you know all the key terms and diagrams from the IB Biology specification. What is the body's response to low blood glucose levels? !. What is the composition of eukaryotic chromosomes? 1.1 Introduction to Cells. (See graph). 1.1.U2 Organisms consisting of only one cell carry out all functions of life in that cell. A victim of an accident can feel a stimulus to the toes, but cannot move them. Which substances are made during photosynthesis, and store energy that can be used by cells? Get free Biology quizzes, study notes, exam secrets and worked past papers: https://studynova.com/courses/biology. exam-mate is an exam preparation and exam builder tool, containing a bank of topical and yearly past papers. At which pH is one enzyme optimal and other denatured? Which are functions of membrane proteins? Save. Which is the chemical structure that represents fatty acids and carbohydrates? This website is designed specifically for the new IB Biology syllabus (2016 –) This site is still under development, so new features will be periodically added Hormone levels in the blood of a woman during a 28-day menstrual cycle are shown in the graph. Below you can find the subtopics of Topic 3 and the percentage of how many times they appear on the exams from the last two years. A family of closely related proteins in the nucleus of eukaryotic cells. What combination would correctly show a simple feedback mechanism for temperature regulation? A group of cells with a common function and structure. Edit. 12th - University grade. What role does the medulla of the brain have in controlling the heart rate? ), What identifies the structure and function of flagella and pili? The figure formed by the chromosomes in the centre of the spindle during mitosis. IB Biology Topic 7 50 Terms. I give many of my IB Biology resources away, for … For example, if you want to learn more about Cell Theory, use Command + F to bring up the search function. Where could an action potentially occur in a motor neuron? Old theory that believed in the formation of living organisms from non-living matter. Paper 2 PRACTICE TEST. A variable that decreases as cells grow, so that it sets a limit to the size of cells. What can be understood from the chart? ), The diagram shows the changes in membrane potential during an action potential. (See graph to select possible answers.). A self-replicating cylindrical organelle that is involved in the process of nuclear division. Which phylum includes plants with rhizoids - spores produced in a capsule and a height below 0.5 meters? Welcome to Day Three! Used to initially focus a light microscope on a specimen, The alteration of a cell's morphology and physiology through changes in gene expression. Which vessel carries deoxygenated blood from the heart to the lungs? This topic has 18% of occurrence in the papers 1 and 2. OTHER SETS BY THIS CREATOR. Membrane-bound organelle found in eukaryotes that contains DNA, it is the site of replication and transcription. What causes heritable variation in species? A degenerative eye disease that has been the target of stem cell research. Preview. What identifies plant cells and animal cells? 1,373 Cards – 11 Decks – 92 Learners Sample Decks: Cells, Molecular Biology, GENETICS Show Class IB Biology - 2016 Syllabus. Chapter 3: Cell Biology Part 1/2 100 Terms. 0. Proteins arranged in chains on the membrane to allow the transfer of electrons from one carrier to another. Network of filaments that collectively form a mitotic spindle in mitosis. A network of material that is secreted cells that serves to support, strengthen, and organize cells. What might increase in Arctic ecosystems as a result of rising global temperatures? 5.3 Classification of … The bar chart shows the mean length (in cm) of two lizard species. IB Biology Topic 1 Test (Cells) 31 Terms. 1.6 Cell Division First, Let’s focus on Topic 1: Cell Biology. What characteristic(s) of water allow(s) effective transport of nutrients around the body by blood? [Students are expected to be able to name and briefly explain these functions of life: nutrition, metabolism, growth, response, excretion, homeostasis and reproduction.] (adenosine triphosphate) energy molecule. Here you will find all the presentations and class notes aligned with IBDP Biology topic #2: Molecular biology. Which punnet grid provides evidence of multiple alleles? Good luck! : Not every question has a picture. When might a favorable variation become unfavorable? Does anyone have all IB biology past paper questions HL and SL but organised by topic. Again, credit for the presentations and many of the notes to Chris Paine at BioKnowledgy. What kind of property does thinking represent? 2016 NT Publishing imited. A nearly universal sequence of nucleotides in DNA that determines the specific amino acid sequence in the synthesis of protein. Transport pumps proteins in the plasma membrane that use ATP to move substances across the membrane. Posted on 12/11/2020 12/11/2020 by apho2018. A more concentrated solution relative to another fluid. Which population group has the greatest variation in height? What type of inheritance is shown in the pedigree chart? IB BIOLOGY 2017 EXAM Flashcard Maker: Mayra Salazar. The website is well structured in topic format, so it’s very easy to find the area of theory you are interested in. A protein associated with DNA that plays a role in gene expression and the packing of DNA. Theory that states that all organisms are composed of cells, and that all cells come from pre-existing cells. The chips were cylinders of 5 cm length and 1 cm diameter. DNA not associated with histones or histone-like proteins. Though a single nerve cell does not think, millions of them organized as a brain results in thinking. Which structure directly absorbs nutrient molecules from the digestive tract? Which DNA has identical base pair sequences? 1.2 Ultrastructure of Cells. The cell theory states that cells come from preexisting cells. ), The diagram below shows the human heart. Our revolutionary test papers consist of carefully assorted content, curated especially for IB students in order to amplify their Biology HL Paper 1 results. From there, there are highly detailed explanations of the theory, with nice diagrams and videos attached. Paper 3. The division of the cytoplasm and the plasma membrane, following the division of the nucleus, resulting in two cells in mitosis. 3 years ago. Practising these automated test papers is a surprisingly easy way to triumph in your Biology HL Paper 1. : POWERPOINTS: WEBSITE: Standard Level IB Biology Past Paper 1 Exam questions. What is the dunction of proteins in passive transport? What information about sample data is shown in error bars? Topic 1: Cell Biology. What would allow inhalation to occur during ventilation? 100! Chapter 1 Cell biology Multiple-choice questions 1. Please comment on what else you’d like me … If you are looking for an outline that will guide you to perform really well in the Biology exam, this is the one that you can rely on. After gene transfer between species, what ensures that the amino acid sequence of the polypeptide made using the transferred gene remains unchanged? Which comparable features provide evidence for evolution? Category of a cell without a membrane-bound nucleus: archaea and bacteria. What causes cell differentiation in multicellular organisms? TOPIC 1: Cell Biology - BIOLOGY FOR LIFE - Biology for Life What is the difference between dominant, recessive and codominant alleles? First stage of mitosis during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears. Site of synthesis of proteins destined for export or for secretion. Characteristic of malignant tumours of transferring the disease from one organ to another not directly connected with it. Which property of cells is evidence for the cell theory? this is INSANE!!!! Two identical strands of DNA joined by a common centromere. What are the structure indicated by X, Y and Z? IB Chemistry Answers was a wonderful learning tool for understanding Science. Proteins on the outside of the membrane that allow specific hormones to bind. Practice Test (Higher Level) Paper 1 45 Practice Test (Higher Level) Paper 2 37 ... in no way connected with nor endorsed by the International Baccalaureate Organization. nathan_purdey. How many trophic levels are there in the shortest and longest food chains that end with Lake Trout? Model of the cell membrane in which the phospholipid bilayer is between two layers of protein. How can forensic scientists obtain sufficient data from one hair follicle to make a reliable identification by DNA profiling? Where do motor neurons conduct impulses from and to? Abnormal proliferation of cells, either benign or malignant. This topic has one of the highest percentage (28%) of occurrence in the papers. UC-Davis BioWiki: A broad overview of university-level biology information. Implication #1: We can trace the origin of all the cells in our body back to the first cell; the zygote produced by the fertilization of a sperm and egg Implication #2: The origins of all cells can be traced back through billions of years of evolution to “LUCA” the l ast u niversal c ommon a ncestor of all life on Earth. What indicates overall population changes? 1.3 Membrane Structure. Review notes for topic 11 Physiology for higher and standard level IB (International Baccalaureate) Biology) 11.4 Sexual reproduction: Sexual reproduction involves the development and fusion of haploid gametes. Stage in mitosis in which chromosomes become arranged at the equatorial plate. More Practice Papers 2009 format.pdf (has several Paper 1, 2 and 3's) Past Papers with Markschemes (only look at Papers from 2009 to present) Paper 1 . How does the inhalation phase of ventilation occur? Created: Jun 25, 2019. Passive movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. A level of organization that emerges due to the interaction of elements. Paper 2. Evolution and biodiversity. A means of visually indicating the magnification of an image. A region of the prokaryotic cell where DNA is located. In the carbon cycle, which pair shows the correct change in atmospheric composition? (See graph to select possible answers.). Which is/are involved in the control of heart rate? The process in which the cell releases materials to the outside by discharging them as membrane-bounded vesicles that pass through the cell membrane. Tips for Paper 2 Read the question options carefully and select which you will answer. Photosynthetic tissue below the epidermis in a leaf. When is there most likely to be a balance between natality and mortality. A less concentrated solution relative to another fluid. Genus of single-celled ciliated organisms. IB Biology Topic 9 25 Terms. How much energy is stored in 1 kg of body fat compared to 1 kg of glycogen? On the exam, you’ll be able to write on the test. Which usually takes the most time in the cell cycle? A behavioural science, the behaviour that is the consequence of a stimulus. 5.2 Natural selection. The process in which an organism regulates activities within cells and their bodies to keep conditions stable. Glands that secrete their products into ducts. Current model of membrane structure that incorporates a fluid mosaic structure in a discontinuous lipid bilayer. Which of these terms describes similar structures found in animals with a common ancestry? Author: Created by ACSARGE. The region joining the two sister chromatids where it becomes attached to the spindle fibres. Proteins embedded in the phospholipid bilayer. The error bars represent the standard deviation. IB BIOLOGY/OLD IB BIOLOGY TESTS/BioHL P1 M06 TZ1.pdf. During expiration, how does air pressure in the lungs compare with atmospheric pressure? Between species, what ensures that the amino acid sequence in the diagram the... Is important in the graph are shown in the process in which the cell membrane in the! Dna profiling sites for the IB Biology Study Guide is ordered using transferred... Show Class IB Biology Past exam Paper 1 questions means of visually indicating the magnification of an.! 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