Light energy is converted to chemical energy in carbon compounds by photosynthesis. The contraction of circular and longitudinal muscle of the small intestine mixes the food with enzymes and moves it along the gut. Speciation due to divergence of isolated populations can be gradual. The entire base sequence of human genes was sequenced in the Human Genome Project. Bipolar cells send the impulses from rods and cones to ganglion cells. Cambridge IGCSE Biology helps learners to understand the biological world in which they live and take an informed interest in science and scientific developments. The syllabus includes the basic principles and concepts that are fundamental to the subject, some current applications of biology, and a strong emphasis on practical skills. Genetics and Evolution (8 Hours), Option A. Neurobiology and Behaviour (15 Hours for SL and 25 hours for HL), Option B. Global temperatures and climate patterns are influenced by concentrations of greenhouse gases. Q. Vesicles move materials within cells. Responses to pollution incidents can involve bioremediation combined with physical and chemical procedures. Many genetic diseases in humans are due to recessive alleles of autosomal genes, although some genetic diseases are due to dominant or co-dominant alleles. Vitamins are chemically diverse carbon compounds that cannot be synthesized by the body. Ventilation maintains concentration gradients of oxygen and carbon dioxide between air in alveoli and blood flowing in adjacent capillaries. Helicase unwinds the double helix and separates the two strands by breaking hydrogen bonds. Alleles differ from each other by one or only a few bases. Immature neurons migrate to a final location. Genetic modification is carried out by gene transfer between species. The plasticity of the nervous system allows it to change with experience. Incompressibility of water allows transport along hydrostatic pressure gradients. Homologous chromosomes separate in meiosis I. Movement of the body requires muscles to work in antagonistic pairs. Community structure can be strongly affected by keystone species. Different methods of membrane transport are required to absorb different nutrients. Bones and exoskeletons provide anchorage for muscles and act as levers. Sensory hairs of the cochlea detect sounds of specific wavelengths. Living organisms cannot convert heat to other forms of energy. Prokaryotes have a simple cell structure without compartmentalization. A gene is a heritable factor that consists of a length of DNA and influences a specific characteristic. It should wrap, then the bar will grow in height if more space is needed. The contraction of the skeletal muscle is achieved by the sliding of actin and myosin filaments. The Complete IB Biology Syllabus: SL and HL, Get Free Guides to Boost Your SAT/ACT Score, DNA replication, transcription and translation. Richness and evenness are components of biodiversity. Individuals that are better adapted tend to survive and produce more offspring while the less well adapted tend to die or produce fewer offspring. Memory is the process of encoding, storing and accessing information. Read our subject-specific articles on topics varying from the photosynthesis equation to homologous and analogous structures to cell biology (including cell theory, enzymes, and how the cell membrane and endoplasmic reticulum work). An axon grows from each immature neuron in response to chemical stimuli. Evolution requires that allele frequencies change with time in populations. Fermentation is carried out by batch or continuous culture. 10. Recombinant DNA can be introduced into whole plants, leaf discs or protoplasts. The origin of eukaryotic cells can be explained by the endosymbiotic theory. Both classes cover the same six topics in the order listed below with the same subtopics listed below: 6. A. The autonomic nervous system controls involuntary processes in the body using centres located mainly in the brain stem. Appetite is controlled by a centre in the hypothalamus. Transport in plants. Visible light has a range of wavelengths with violet the shortest wavelength and red the longest. Species tend to produce more offspring than the environment can support. Pathway engineering optimizes genetic and regulatory processes within microorganisms. 0000019892 00000 n IB music higher level subject brief The IB Diploma Programme, for students aged 16 to 19, is an academically challenging and balanced programme of education that prepares students for success at university and life beyond. The cerebral cortex forms a larger proportion of the brain and is more highly developed in humans than other animals. The amino acid sequence of polypeptides is coded for by genes. Living organisms synthesize many different proteins with a wide range of functions. There is a correlation between rising atmospheric concentrations of carbon dioxide since the start of the industrial revolution 200 years ago and average global temperatures. Grab all the latest updates like the session, syllabus, exam date, interview schedule, and other details here and download the IB Syllabus 2020 through the direct official link provided below. Oh, IB Biology. Other gases including methane and nitrogen oxides have less impact. Valves in veins and the heart ensure circulation of blood by preventing backflow. Phospholipids form bilayers in water due to the amphipathic properties of phospholipid molecules. 8. Longer wave radiation is absorbed by greenhouse gases that retain the heat in the atmosphere. Structures in the middle ear transmit and amplify sound. Clones are groups of genetically identical organisms, derived from a single original parent cell. Most flowering plants use mutualistic relationships with pollinators in sexual reproduction. Ribulose bisphosphate is reformed using ATP. Muscle contractions cause the pressure changes inside the thorax that force air in and out of the lungs to ventilate them. Chemical energy in carbon compounds flows through food chains by means of feeding. Fusion of gametes results in diploid zygotes with two alleles of each gene that may be the same allele or different alleles. Pollutants become concentrated in the tissues of organisms at higher trophic levels by biomagnification. Haploid nuclei have one chromosome of each pair. We've written a guide for each test about the top 5 strategies you must be using to have a shot at improving your score. Plant shoots respond to the environment by tropisms. The number of chromosomes is a characteristic feature of members of a species. All rights reserved. Multicellular organisms have properties that emerge from the interaction of their cellular components. The liver intercepts blood from the gut to regulate nutrient levels. Some pollutants are metabolized by microorganisms. 9. Blood flows through tissues in capillaries. Viral vectors can be used in gene therapy. Nerve impulses are initiated or inhibited in post-synaptic neurons as a result of summation of all excitatory and inhibitory neurotransmitters received from presynaptic neurones. Iron is carried to the bone marrow to produce hemoglobin in new red blood cells. In this article, I will go over the topics covered in IB Biology Standard Level and IB Biology Higher Level, as well as the number of hours dedicated to each topic along with what the IB expects you to understand for each topic. Studying for the SAT? The switch to flowering is a response to the length of light and dark periods in many plants. What about the IB ACIO Selection Process? Sequence differences accumulate gradually so there is a positive correlation between the number of differences between two species and the time since they diverged from a common ancestor. To make it easier for teachers to understand what's required, we have: 1. updated the learning outcomes, clarifying the depth to which each topic should be taught. Psychoactive drugs affect the brain by either increasing or decreasing postsynaptic transmission. The rate of turnover in the phosphorus cycle is much lower than the nitrogen cycle. ACT Writing: 15 Tips to Raise Your Essay Score, How to Get Into Harvard and the Ivy League, Is the ACT easier than the SAT? The 5 Strategies You Must Be Using to Improve 160+ SAT Points, How to Get a Perfect 1600, by a Perfect Scorer, Free Complete Official SAT Practice Tests. Fusion of a tumour cell with an antibody-producing plasma cell creates a hybridoma cell. Chi-squared tests are used to determine whether the difference between an observed and expected frequency distribution is statistically significant. Crossing over produces new combinations of alleles on the chromosomes of the haploid cells. Sampling techniques are used to estimate population size. In closed ecosystems energy but not matter is exchanged with the surroundings. Fermenters allow large-scale production of metabolites by microorganisms. The IB Biology syllabus is a list of all the content understandings (U) , applications (A) and skills (S) that the IB Organization mandates are taught throughout the two years of the IB Biology higher level course. Steroid hormones bind to receptor proteins in the cytoplasm of the target cell to form a receptor–hormone complex. The neural tube of embryonic chordates is formed by infolding of ectoderm followed by elongation of the tube. Raised hydrostatic pressure causes the contents of the phloem to flow towards sinks. Are you hoping to squeeze in some extra IB classes? Taking the SAT in the next month? The early stages of meiosis involve pairing of homologous chromosomes and crossing over followed by condensation. Pathway engineering is used industrially to produce metabolites of interest. Cuts in the skin are sealed by blood clotting. JAMB Syllabus For Biology 2021/2022: Are you looking for the latest official JAMB Biology syllabus 2021/2022 PDF for download? The proximal convoluted tubule selectively reabsorbs useful substances by active transport. Monoclonal antibodies are produced by hybridoma cells. A gene occupies a specific position on a chromosome. Individuals that reproduce pass on characteristics to their offspring. Enzymes digest most macromolecules in food into monomers in the small intestine. cambridge igcser and ib myp the book should be used alongside a core textbook as well as classroom instruction endorsed by cambridge international complete biology for ... biology for cambridge igcser teachers resource pack third edition is designed for the previous igcse biology syllabus last examination 2022 it gives teachers everything they Populations of a species can gradually diverge into separate species by evolution. You also need to complete experiments and experimental reports as a part of any IB Science course. Signals from the sinoatrial node that cause contraction cannot pass directly from atria to ventricles. Sex is determined by sex chromosomes and autosomes are chromosomes that do not determine sex. Chromosomes condense by supercoiling during mitosis. Flowering involves a change in gene expression in the shoot apex. There is a delay between the arrival and passing on of a stimulus at the atrioventricular node. Production of antibodies by lymphocytes in response to particular pathogens gives specific immunity. Light-dependent reactions take place in the intermembrane space of the thylakoids. Hair cells in the semicircular canals detect movement of the head. In the absence of oxygen denitrifying bacteria reduce nitrate in the soil. Active uptake of mineral ions in the roots causes absorption of water by osmosis. Download it for free now: hbspt.cta._relativeUrls=true;hbspt.cta.load(360031, '688715d6-bf92-47d7-8526-4c53d1f5fe7d', {}); hbspt.cta._relativeUrls=true;hbspt.cta.load(360031, '03a85984-6dfd-4a19-93c8-5f46091f5e2b', {}); As an SAT/ACT tutor, Dora has guided many students to test prep success. Conducting fibres ensure coordinated contraction of the entire ventricle wall. The Malpighian tubule system in insects and the kidney carry out osmoregulation and removal of nitrogenous wastes. Plant hormones control growth in the shoot apex. Both IB Biology SL and HL consist of the same core requirements (95 hours). Pathogens can be species-specific although others can cross species barriers. Learn what's covered in a  AP Bio here. The nucleic acids DNA and RNA are polymers of nucleotides. All organisms are classified into three domains. A. Ask below and we'll reply! Hydrogen bonding and dipolarity explain the cohesive, adhesive, thermal and solvent properties of water. ADVANCED LEVEL SYLLABUS BIOLOGY - Zimsec. Microorganisms in fermenters become limited by their own waste products. ADH controls reabsorption of water in the collecting duct. Addiction can be affected by genetic predisposition, social environment and dopamine secretion. BLAST searches can identify similar sequences in different organisms. The left cerebral hemisphere controls muscle contraction in the right side of the body and vice versa for the right hemisphere. Orientation of pairs of homologous chromosomes prior to separation is random. Skeletal muscle fibres are multinucleate and contain specialized. Neurons are initially produced by differentiation in the neural tube. Want to improve your SAT score by 160 points or your ACT score by 4 points? Learned behaviour develops as a result of experience. Carbon dioxide is transformed in red blood cells into hydrogencarbonate ions. Hormones secreted by the pituitary control growth, developmental changes, reproduction and homeostasis. The pattern of inheritance is different with sex-linked genes due to their location on sex chromosomes. ATP synthase in thylakoids generates ATP using the proton gradient. Syllabuses (Curricula) for all subjects of GCE Advanced Level have been changed from 2017 for GCE A/L 2019 and 2020, 2021 and 2022 A/L students.If you are planning to do A/L in 2020 after your O/L examination in 2017 December, then you have to follow this new Biology syllabus. 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