This fully-resourced lesson describes the behaviour of chromosomes during the mitotic cell cycle and explains the importance of this type of nuclear division. The PowerPoint and accompanying resources have been designed to cover points 5.1 (b) & 5.2 (a) of the CIE A-level Biology specification and make direct links to a previous lesson which covered the outline of cell cycle
Depending upon the exam board taken at iGCSE, the knowledge and understanding of mitosis will differ considerably between students and there may be a number of misconceptions. This was considered at all points during the planning of the lesson so that existing errors are addressed and key points are emphasised throughout. Their understanding of interphase is challenged at the start of the lesson to ensure that they realise that it is identical pairs of sister chromatids that enter the M phase. The main part of the lesson focuses on prophase, metaphase, anaphase and telophase and describes how the chromosomes behave in these stages. There is a focus on the centrioles and the spindle fibres that they produce which contract to drag one chromatid from each pair in opposite directions to the poles of the cell. The remainder of the lesson is a series of understanding and application questions where students have to identify the various roles of mitosis in living organisms as well as tackling a Maths in a Biology context question. The lesson concludes with a final quiz round of MITOSIS SNAP where they only shout out this word when a match is seen between the name of a phase, an event and a picture.
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Topics 5 & 6: The mitotic cell cycle, nucleic acids & protein synthesis (CIE A-level Biology)
This lesson bundle contains 12 detailed lesson PowerPoints, which along with their accompanying resources, have been intricately planned to cover the majority of the content of topics 5 and 6 of the CIE A-level Biology specification. The cell cycle, mitosis and protein synthesis are topics that students tend to find difficult and therefore the planning focused on the inclusion of a wide range of tasks that would not only promote the retention of important information and secure knowledge but also maintain motivation and engagement. The tasks include exam-style questions with displayed mark schemes which challenge the students on their current understanding and prior knowledge, guided discussion points and quick quiz competitions which introduce key terms and values. The following specification points are covered by these 12 lessons: Topic 5 * The structure of a chromosome, limited to DNA, histone proteins, chromatids, centromere and telomere * The importance of mitosis in producing genetically identical cells, growth, cell replacement, repair of tissues and asexual reproduction * The cell cycle, including the G and S phases of interphase, mitosis and cytokinesis * Uncontrolled cell division and the formation of tumours * The behaviour of chromosomes in animal and plant cells in the mitotic cell cycle Topic 6 * The structure of nucleotides, including ATP * The structure of DNA and RNA * The semi-conservative replication of DNA during interphase * A polypeptide is coded for by a gene * Gene mutations can cause changes to the polypeptide sequence * The information in DNA is used during transcription and translation to construct polypeptides
£19.00
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The cell cycle, mitosis and meiosis (CIE A-level Biology)
The three lessons included in this bundle describe the key events of the mitotic and meiotic cell cycles and cover the following points as detailed in topics 5 and 16 of the CIE A-level Biology specification: Topic 5: The mitotic cell cycle * Explain the importance of mitosis in the production of genetically identical cells, growth, cell replacement, repair of tissues and asexual reproduction * Outline the cell cycle, including interphase, mitosis and cytokinesis * The behaviour of chromosomes in plant and animal cells during the mitotic cell cycle Topic 16: Inherited change * Explain what is meant by a pair of homologous chromosomes * The behaviour of chromosomes in plant and animal cells during meiosis * Explain how crossing over and random assortment of homologous chromosomes during meiosis and random fusion of gametes at fertilisation lead to genetic variation Each lesson is fully-resourced and the wide range of tasks found in the PowerPoint and the accompanying resources will check on current understanding and prior knowledge and engage the students with guided discussion points and quiz competitions. If you would like to sample the quality of lessons in this bundle, then download the interphase, mitosis and cytokinesis lesson as this has been uploaded for free
£5.00
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