; Bioknowledgy: Probably the biology resource I use most.Awesome. Which of these terms describes genetically identical organisms derived from a single parent? Which phylum includes plants with rhizoids - spores produced in a capsule and a height below 0.5 meters? What can be understood from the chart? Here you will find all the presentations and class notes aligned with IBDP Biology topic #2: Molecular biology. Save. Which population group has the greatest variation in height? A network of material that is secreted cells that serves to support, strengthen, and organize cells. The chips were cylinders of 5 cm length and 1 cm diameter. Passive movement of particles from a region of higher concentration to a region of lower concentration. 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. 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. UC-Davis BioWiki: A broad overview of university-level biology information. Which usually takes the most time in the cell cycle? Membrane-bound organelle found in eukaryotes that contains DNA, it is the site of replication and transcription. Singer and Garth Nicolson in 1972 to describe the observed structural features of biological membranes. Carbohydrates, lipids and proteins – IB SL Biology Past Exam Paper 1 Questions. Nail IB is your virtual companion that helps you hustle through your diploma. On the exam, you’ll be able to write on the test. Item 76: The voltage-gated delay rectifiers K-channels and not the Na+/K+ pump are responsible of membrane repolarization, There are several questions missing pictures. Model of the cell membrane in which the phospholipid bilayer is between two layers of protein. A family of closely related proteins in the nucleus of eukaryotic cells. Technique used for the elimination of microbiological organisms to achieve a sterile microbial environment. Sydney_Ross46. 3 years ago. What is the dunction of proteins in passive transport? 3) New cells are formed from pre-existing cells. Topic-specific activity sheets (with answers) Summary notes for every core topic; Otherwise: Welcome to the BioNinja Website – your one-stop resource for everything IB Biology related! The synthesis of a functional gene product, often protein, but also rRNA, tRNA, or snRNA. Movement of substances across membranes using energy in the form of ATP. Jash Parekh As a Science Instructor when I started my carrier for the first time at ABWA School, I found this resource incredibly helpful for me and my students and I highly recommend it to anyone using IB Chemistry Answers website. (See graph to select possible answers. Which vessel carries deoxygenated blood from the heart to the lungs? IB Biology 1.1 Introduction to cells - Examination style question booklets with Mark schemes (no rating) 0 customer reviews. This topic has 18% of occurrence in the papers 1 and 2. A gene that causes normal cells to change into cancerous tumour cells. Paper 3. Chemical agents that increase the rate of genetic mutation. Which types of molecule are shown in the diagram? 5.1 Evidence for evolution. IB Biology SL and IB Biology HL papers 1 and 2 are given back to back, forcing you to write for two hours for SL and three hours and 15 minutes for HL. Paper 2 PRACTICE TEST. What can be predicted from the histogram comparing the mass of McIntosh apples and the mass of Gravenstein apples? An approach to science that holds that a complex system cam be best understood as the sum of its parts, and that variables can be studied in isolation. Which sequence of taxonomic group goes from largest to smallest? Practising these automated test papers is a surprisingly easy way to triumph in your Biology HL Paper 1. The following shows a diagram of a food web. A sub-cellular structure or membrane-bound compartment with a distinct structure and function. The figure formed by the chromosomes in the centre of the spindle during mitosis. IBWorldme is one of the best resource sites for the IB Biology curriculum. What identifies plant cells and animal cells? Where could an action potentially occur in a motor neuron? Photosynthetic tissue below the epidermis in a leaf. Why are antibiotics effective against pathogenic bacteria? What is the correct site of the anaerobic respiration in yeast and one of its end products? Which expected effect of temperature increase on Arctic ecosystems will increase carbon dioxide in the atmosphere? Linear strand of DNA bonded to proteins in the nucleus of eukaryotic cells that carries the genetic information. Control of the water balance of a living organism. nathan_purdey. The questions on paper 3 test assessment objectives 1, 2 and 3 The use of approved calculators is permitted. Topic 2.1 - Molecules to metabolism notes Topic 2.2 - Water notes Topic 2.3 - Carbohydrates and lipids notes Topic 2.4 - Proteins… TOPIC 1: Cell Biology - BIOLOGY FOR LIFE - Biology for Life What are the structure indicated by X, Y and Z? Network of filaments that collectively form a mitotic spindle in mitosis. Again, credit for the presentations and many of the notes to Chris Paine at BioKnowledgy. The process where a single cell divides into two identical cells, each containing the same number of chromosomes and genetic content as that of the original cell. 3 years ago ... A electronmicrograph of a tissue is accompanied by a scale bar which represents 1 µm. !. First, Let’s focus on Topic 1: Cell Biology. : POWERPOINTS: WEBSITE: Standard Level IB Biology Past Paper 1 Exam questions. An electron microscope that produces two-dimensional images. Slides covering material from Topic 1.2 of the updated IB Biology syllabus for 2016 exams Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. What role does the medulla of the brain have in controlling the heart rate? A group of cells with a common function and structure. What biological process allows this to occur? The error bars represent the standard deviation. Where do motor neurons conduct impulses from and to? IB Biology Vocabulary by Topic. 1.1.U4 Posted on 12/11/2020 12/11/2020 by apho2018. What combination would correctly show a simple feedback mechanism for temperature regulation? Enzyme activity has been measured for two enzymes at different pH values. Refers to the viscosity of a lipid bilayer of the membrane that allows it to change shape. : Not every question has a picture. IB BIOLOGY 2017 EXAM Flashcard Maker: Mayra Salazar. 1. ... IB Biology Topic 1 Flashcard Maker: Haleigh Wallace. Get free Biology quizzes, study notes, exam secrets and worked past papers: https://studynova.com/courses/biology. Author: Created by ACSARGE. 2016 NT Publishing imited. A lipid that prevents the membrane from becoming too and also prevents it from crystallizing. (See graph to select possible answers.). 1.5 The Origin of Cells. A victim of an accident can feel a stimulus to the toes, but cannot move them. Edit. (adenosine triphosphate) energy molecule. A means of visually indicating the magnification of an image. You need to build up endurance, so you don't make careless mistakes when you are exhausted at the end of paper 2. What is the trophic level of the Leopard seal? Transport pumps proteins in the plasma membrane that use ATP to move substances across the membrane. A eukaryotic organelle that modifies proteins after translation. Which letter indicates the time when the sodium-potassium pump reestablishes the resting state? Category of a cell without a membrane-bound nucleus: archaea and bacteria. The following shows a pedigree chart. When might a favorable variation become unfavorable? Passive movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. The process in which an organism regulates activities within cells and their bodies to keep conditions stable. A degenerative eye disease that has been the target of stem cell research. 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. The rate of passive diffusion of molecules through the membrane, which depends on the electric charge, size, and polarity of the molecule. Mark it up like crazy! Vesicles a bubble-like membranous structure that stores and transports cellular products. A model conceived by S.J. What is the definition of cell respiration? What causes cell differentiation in multicellular organisms? ... Edexcel 2016 Biology Cells and Control Topic SB2/CB2 Revision Mats (9-1 GCSE) An electron microscope that generates a three-dimensional image. OTHER SETS BY THIS CREATOR. Does anyone have all IB biology past paper questions HL and SL but organised by topic. 1.1.U2 Organisms consisting of only one cell carry out all functions of life in that cell. 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. IB BIOLOGY/OLD IB BIOLOGY TESTS/BioHL P1 M06 TZ1.pdf. ), The diagram shows the changes in membrane potential during an action potential. 1,373 Cards – 11 Decks – 92 Learners Sample Decks: Cells, Molecular Biology, GENETICS Show Class IB Biology - 2016 Syllabus. Used to initially focus a light microscope on a specimen, The alteration of a cell's morphology and physiology through changes in gene expression. Diffusion through a membrane that requires proteins. Which of the indicated cuts could be causing the damage? 1.4 Membrane Transport. ), The diagram below shows the human heart. 100! Calculate the percentage loss in mass of the potato chip in 15% sucrose at 20 minutes. Which genotypes are possible when a male with blood group AB and a female with blood group O have offspring? It covers the whole of the first core topic in the International Baccalaureate Biology on cells and is suitable for both Standard and Higher Level students sitting examinations from 2016 onwards. Twisting in the opposite direction to the turns of the double helix during the first stage of mitosis. 1) Made a nutrient broth by boiling water containing yeast and sugar which was kept in a sealed flask 2) A pad of cotton as placed in a tube to filter out microscopic particles from the air - Showed that in 36 … At which pH is one enzyme optimal and other denatured? The cell theory states that cells come from preexisting cells. A less concentrated solution relative to another fluid. Which of these terms describes similar structures found in animals with a common ancestry? From there, there are highly detailed explanations of the theory, with nice diagrams and videos attached. A property of a system that emerges from the interaction of the elements of the system. A membrane that forms midway between dividing plant cells during cytokinesis and later becomes the cell wall. What is the body's response to low blood glucose levels? IB Chemistry Answers was a wonderful learning tool for understanding Science. kyouS. IB Biology Topic 11 65 Terms. The part of the microscope that gathers light from the specimen and focuses it to produce a real image. What is light energy used for in photosynthesis? Two layers of phospholipids arranged so that their hydrophobic tails are projecting inwards while their polar head groups are on the outside surfaces. Which is the chemical structure that represents fatty acids and carbohydrates? If there is a single topic you are interested in learning more about, use the Command + F function on your computer to search the article for that term. Non-living carbohydrate based extracellular material. Today’s Focus will be on Topic 3: Genetics. (See graph to select possible answers.). The bar chart shows the mean length (in cm) of two lizard species. The region joining the two sister chromatids where it becomes attached to the spindle fibres. For example, if you want to learn more about Cell Theory, use Command + F to bring up the search function. Genus of single-celled ciliated organisms. IBO Biology Teacher Support Material: Great resource for teacher of IB Biology.Access is password protected and associated with IB World Schools. Website link: https://ib.bioninja.com.au/ Overview: Bioninja is a wonderful free website that covers the SL and HL IB Bio courses. The division of the cytoplasm and the plasma membrane, following the division of the nucleus, resulting in two cells in mitosis. Get Ready to Rock IB Bio Papers! A protein associated with DNA that plays a role in gene expression and the packing of DNA. Chapter 1 Cell biology Multiple-choice questions 1. IB Biology Topic 8 50 Terms. Are you sure you want to delete this comment? Current model of membrane structure that incorporates a fluid mosaic structure in a discontinuous lipid bilayer. Which punnet grid provides evidence of multiple alleles? 12th - University grade. 1.2 Ultrastructure of Cells. How much energy is stored in 1 kg of body fat compared to 1 kg of glycogen? Which structures have a phospholipid bilayer? A level of organization that emerges due to the interaction of elements. (See graph to select possible answers. First stage of mitosis during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears. What information about sample data is shown in error bars? Proteins arranged in chains on the membrane to allow the transfer of electrons from one carrier to another. (See graph). Which are functions of membrane proteins? What is the difference between dominant, recessive and codominant alleles? The detailed structure of a biological entity. A behavioural science, the behaviour that is the consequence of a stimulus. The process in which the cell releases materials to the outside by discharging them as membrane-bounded vesicles that pass through the cell membrane. What type of organism is growing on the surface of this dead wood? nathan_purdey. A theory that some eukaryotic organelles, such as mitochondria and chloroplasts, originated as free-living prokaryotes that invaded primitive eukaryotic cells. TOPICS Cell Biology Molecular Biology Genetics Ecology Evolution & Biodiversity Human Physiology Nucleic Acids (AHL) Metabolism, Cell, Respiration & Photosynthesis (AHL) Plant Biology (AHL) Genetics & Evolution (AHL) Animal Physiology (AHL) Data Analysis Database DESCRIPTIONS Topical Past Papers Questions 2012 – 2016 Questions + Marck schemes P1 , P2 HL & SL All Time Zones … Which blood group genotype shows codominance? IB Biology Topic 1 DRAFT. Which blood vessels have a thick muscular walls that can resist pressure and assist in pumping blood? A gradient resulting from an unequal distribution of ions across the cell membrane. Paper 2. This is a quick revision test designed to make sure you know all the key terms and diagrams from the IB Biology specification. Which structure directly absorbs nutrient molecules from the digestive tract? What is light energy used for in photolysis? Though a single nerve cell does not think, millions of them organized as a brain results in thinking. 1.3 Membrane Structure. Chapter 3: Cell Biology Part 1/2 100 Terms. A self-replicating cylindrical organelle that is involved in the process of nuclear division. Which comparable features provide evidence for evolution? Students can use it to access questions related to topics, while teachers can use the software during teaching and to make exam papers easily. 62% average accuracy. Which nucleic acids are directly involved in transcription? How can a change in pH stop an enzyme-catalysed reaction from ocurring? What characteristic(s) of water allow(s) effective transport of nutrients around the body by blood? Welcome to Day Three! What indicates overall population changes? 11 Dec.:. The graph shows a predicted population growth curve when small number of rats are accidentally introduced to an island where they do not naturally occur. What is a difference between prokaryotic cells and eukaryotic cells? Site of synthesis of proteins destined for export or for secretion. 0. 100 questionnaires! Which substances are made during photosynthesis, and store energy that can be used by cells? 1.1 Introduction to Cells ∑= IB Understandings Cell Theory The main part of cell theory consists of three main aspects: 1) Cells are the basic unit of structure in all living things (smallest unit of life) 2) All living organisms are composed of cells. Biology for Life: Already in the previous post, but worth sharing again. Our revolutionary test papers consist of carefully assorted content, curated especially for IB students in order to amplify their Biology HL Paper 1 results. If a woman has three male offspring, what is the probability that her next child will be female? What can be found in plant cells, but not those of animals? 5.3 Classification of … After gene transfer between species, what ensures that the amino acid sequence of the polypeptide made using the transferred gene remains unchanged? (See graph to select possible answers.). IB Biology Topic 7 50 Terms. How many trophic levels are there in the shortest and longest food chains that end with Lake Trout? Evolution and biodiversity. IB Biology Exam Secrets Topic 3: Genetics. P.S. Proteins embedded in the phospholipid bilayer. During expiration, how does air pressure in the lungs compare with atmospheric pressure? DNA not associated with histones or histone-like proteins. The scale bar is 10 mm long. Which structure synthesizes proteins for use primarily within the cell? Please comment on what else you’d like me … Theory that states that all organisms are composed of cells, and that all cells come from pre-existing cells. 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