Biotechnology is the use of a living organism, or some component of a living system, to make a useful product. Because the genome is so large, when scientists want to analyse a specific set of genes they must first break the dna up into smaller fragments that contain the target genes of interest. This video provides an explanation of the cause and effects of the genetic disorder cystic fibrosis and how it can be treated using gene therapy. Providing study notes, tips, and practice questions for students preparing for their o level or upper secondary examinations.
A level biology a level physics how to revise science hack a level biology exam questions. Over 22,000 learners have used our materials to pass their exams. Since the genetic code is universal, as are transcription and translation mechanisms, the transferred dna can be translated within cells of the. Gene therapy post 16 biology a level, preu, ib youtube. This covers all the topics and modules for all specifications including 9700. Describe the role of each component found in cell membrane 1. Gce study buddy the best o level revision resource. For each of the papers below, there are revision notes, summary sheets, questions from past exam papers separated by topic and other worksheets.
Biology notes all in one here is a pdf file with all biology notes for you to download. Freely browse and use ocw materials at your own pace. Introduction to genetics ppt introduction to the principles of genetics ppt concept of genetics, gregor johann mendel the father of genetics, rediscovery of mendelian concepts, modern branches of genetics, terminologies in genetics. Gene technology has caused a shift in methods of investigating genetic. Success has been limited to somatic body cells rather than sex cells gametes. We provide detailed revision materials for alevel biology students and teachers. Transgenic organisms organisms that contain foreign dna dna from another organism transgenic organisms are created using recombinant dna. Revision notes designed for as and a level biology students.
There is a discussion about gene therapy and how it can help to treat genetic diseases. Genetic engineering alevel a2 biology revision youtube. Biology mary ann clark, jung choi, matthew douglas. Put the normal gene the one that makes the normal transport protein in a cold virus. May 17, 2017 a2 biology notes 20162018 all in one here is a pdf file with a2 level biology notes 20162018 cambridge international for you to download. It is thought that if even a small proportion of lung cells could be given a working copy of the cells that would thin the mucus sufficiently. To identify where the dna has attached itself, the probe must be labeled by. H2 biology nucleic acids and gene expression notes. Interestingly, this is much less than the original estimate of 100,000 proteincoding genes based on the3 number of genes and the size of the genome in bacteria and worms. Cells and microscopy biological molecules enzymes cell membranes and transport the mitotic cell cycle. A sequence of three bases in trna that is complementary to a codon in mrna. The topics are spilt up according to the way my college went through them, so its not in the exact same order as they are listed in the specification, but everything is on here apart from gene technology, as we finished it so close to the exam that i didnt have time to make one for it.
View archive a levels past papers all in one 20012014. Cell division cell types cell ultrastructure enzymes fast, specific catalysts gene technology genes, dna, rna large molecules plasma. Apr 06, 2015 42 a2 biology exam questions gene technology no rating. Recombinant dna technology involves the transfer of fragments of dna from one organism, or species, to another. Summary notes, videos, factsheets and past exam questions for cie biology 9700 alevel topic 19 genetic technology. Learn more about modern biotechnology and how it is used in research and biomedical applications. Join us as a member today and start sharing your notes. This is where all a level resources will be published. Find materials for this course in the pages linked along the left.
Click on the popout button on the upper right corner of the pdf file to have full view and to download. Biology cie 9700 a level notes on topic 19 8th topic from a level section summary made out of notes from both cie textbook, classnotes and past papers. The topics are spilt up according to the way my college went through them, so its not in the exact same order as they are listed in the specification, but everything is on here apart from. A method of cutting dna from one organism and inserting the dna fragments into a host organism of the same or different species what is a transgenic organism. Populations photosynthesis respiration view sample energy.
Isolation of the dna fragments that have the gene for the desired protein 2. Genetic terminology and definitions list alevel biology. Get biology as and a level notes here at my new website. The pdf files for separate chapters are also available. When expressing its self its known as an allele which is a short of allelomorph. Gene therapy is the deliberate repair or replacement of damaged genes. The resources on this page are for the aqa biology course running up until 2015. Aqa a2 biology gene technology revision cards for connect. Gene technology is the manipulation of genes in living organisms. Genes each cell contains 46 chromosomes except for sex cells eggs and sperm which contain 23 chromosomes.
Gene technology gene technology encompasses all techniques used to study and manipulate the function of genes. When not expressing its self, its simply termed as agene. The human genome project determined there are just over 20,000 human proteincoding genes. Gene therapy is the insertion of normal genes into human cells to correct genetic disorders. Click on the popout button on the upper right corner of the pdf file to have full view or click here to download. This covers all the topics and modules for all specifications including 2410, 7401, 7402. Feb 27, 2014 progress towards treating cf with gene technology since it is the mucus in the lungs that limits life span, it is these cells that have been the focus of efforts. The human genome project alevel biology revision notes. Aqa gce biology a2 award 2411 unit 5 genetic technology syllabus reference. Making the probe radioactive staining the probe with fluorescent stain eg. Genes from one organism may be inserted into another. Test yourself with our 3 step revision exam style questions, test and revision summary.
The modification of germ line cells germ line therapy is likely to be discouraged on moral grounds. Therefore, you receive half of your chromosomes from your mother. The mechanism of gene expression involves biochemical genetics. This may be done within the same species for example in gene therapy or genes may be transferred from one species to another. Read this article to learn about the gene expression. A2 biology notes 20162018 all in one here is a pdf file with a2 level biology notes 20162018 cambridge international for you to download. Dive in to learn more about the many branches of biology and why they are exciting and important. We cover all the relevant topics in the specification below. Nucleic acids, dna replication, intro to molecular genetics notes. Alevel biology revision dna technology summary notes the process of using dna technology to make certain proteins is as follows. You have different genes for each of the different traits that you inherit. Prepared for the exam using these notes and past papers.
Unfortunately, if you are looking for dedicated resources for the new aqa biology course, you will have to look elsewhere, as i do not teach that specification. In past examination many questions were asked from this section in various competitive exams like ssc, railway ntpc, ib exams. Cie a level biology revision notes made for the cie cambridge international examination exam board. Cie a level biology 9700 cambridge international as and a level biology builds on the skills acquired at cambridge igcse or equivalent level.
Signup as a free member below and youll be brought back to this page to try the sample materials before you buy. From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Here is a pdf file with a2 level biology notes 20162018 cambridge international for you to download. These notes are specifically for the aqa new spec exam board, but certain topics may be applicable to other boards as well. This differences reflects how complex the regulation of these genes has to be, in. Genetics is the study of inheritance of characteristics or the study of transmission of characteristicstraits from the parents to the off springs.
Well, if youve ever taken the antibiotic penicillin or eaten bread made with yeast, youve experienced it firsthand. This is where all as level resources will be published. Free a level notes and o level notes on the notes sharing platform thenotesrefinery. A level biology does pretty much what it says on the tin.
California institute for regenerative medicine 35,804 views 4. Apr 08, 2015 cambridge international as and a level biology is ideal for learners who want to study biology or a wide variety of related subjects at university or to follow a career in science. Molecular biology and applied genetics 1 chapter one the cell specific learning objectives. This means that any changes are not passed on to subsequent generations inherited. The best biology o level notes o and a level notes. A2 biology notes 20162018 all in one biology notes for a. As biology notes 2015 all in one here is a pdf file with as biology notes 2015 for you to download. Gene, allele and locusloci, dominant and recessive alleles, genotype and phenotype, homozygous and heterozygous, hybridization, monohybrid and dihybrid, f1 and.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Gene expression is the mechanism at the molecular level by which a gene is able to express itself in the phenotype of an organism. Energy and respiration photosynthesis homeostasis coordination inherited change selection and evolution. A level biology revision notes made for the aqa exam boards. You can find notes and exam questions for additional math, elementary math, physics, biology and chemistry. Instant download these are the alevel biology notes i wrote last year for the new specification i memorised these to achieve an a. Free limited time only concise a as biology revision notes aqa but also useful for ocr edexcel free 4. Covers topics seen in a high school or firstyear college biology course. An alternative form of a gene that occurs at the same locus on homologous chromosomes, e. Please note that the scheme of assessment has changed since 2005. Gene, allele and locusloci, dominant and recessive alleles, genotype and phenotype, homozygous and heterozygous, hybridization, monohybrid and dihybrid, f1.
Describe chemical composition of the cell membrane. Create marketing content that resonates with prezi video. This pdf not only help you to groom up your general knowledge but also it will help you in one word susbstitution for ssc. The syllabus includes the main theoretical concepts which are fundamental to the subject, a section on some current applications of biology, and a strong emphasis on advanced practical skills. Alevel biology does pretty much what it says on the tin. Free limited time only concise a as biology revision notes aqa but also useful for ocr edexcel. Tips and notes for english, general paper, and composition writing are also provided. Here are my 1 page summaries for the year 2 content in alevel biology. Tes global ltd is registered in england company no 02017289 with its registered office. Genetic and dna technology pages 3454 what is genetic engineering. A direct current is passed through the gel and the dna fragments which carry a small positive charge are attracted to the anode positive electrode. The aim of this pack is simple we wanted to condense the alevel biology course into a few super condensed pages. Revision website designed for as and a level biology students.
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