This lesson describes the importance of the cytoskeleton, and focuses on the role of these proteins in the transport within cells and cell movement. The PowerPoint and accompanying resource have been designed to cover point 2.1.1 (j) of the OCR A-level Biology A specification and has been specifically designed to tie in with
The previous lesson covered the ultrastructure of eukaryotic cells and the function of the different cellular components and this lesson has been planned to build on that knowledge to show how the cytoskeleton allows for the movement of these organelles from one part of the cell to another. In particular, the students will recognise how the dragging movement of the motor proteins along the microtubule track is important for the proteins produced at the RER to move to the Golgi before the vesicles are then moved to the membrane for exocytosis. In this way, this lesson also covers specification point 2.1.1 (i). Other examples such as the movement of the synaptic vesicles and the contraction of the spindle fibres during anaphase are used to consolidate understanding further. The cilia and the flagellum are also described and links are made to related topics such as the primary non-specific defences against pathogens.
In order to engage and motivate the students during the 7 lessons in this module, a running quiz competition has been written into each of the lessons and 3 rounds are incorporated into this lesson. A quiz scoresheet to keep track of the points is included in this resource.
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Cell structure & biological molecules (OCR A-level Biology A)
It's fair to say that cell structure and biological molecules are two of the most important topics in the OCR A-level Biology A course and all 19 lessons that are included in this bundle have been planned at length to cover the module 2.1.1 & 2.1.2 specification points in the detail required at this level. The lesson PowerPoints and their accompanying resources contain a wide range of tasks as well as regular checks to allow students to assess their understanding of the current content as well as prior knowledge checks to emphasise the importance of making links to topics in other modules. The following specification points in modules 2.1.1 (cell structure) and 2.1.2 (biological molecules) are covered by the lessons in this bundle: 2.1.1 * The use of microscopy to observe and investigate different types of cell and cell structure in a range of eukaryotic organisms * The use of the eyepiece graticule and stage micrometer * The use of staining in light microscopy * The use and manipulation of the magnification formula * The difference between magnification and resolution * The ultrastructure of eukaryotic cells and the functions of the different cellular components * The interrelationship between the organelles involved in the production and secretion of proteins * The importance of the cytoskeleton * The similarities and differences between the ultrastructure of prokaryotic and eukaryotic cells 2.1.2 * The properties and roles of water in living organisms * The concept of monomers and polymers and the importance of condensation and hydrolysis reactions * The chemical elements that make up biological molecules * The structure and properties of glucose and ribose * The synthesis and breakdown of a disaccharide and a polysaccharide by the formation and breakage of glycosidic bonds * The structure of starch, glycogen and cellulose molecules * The relationship between the structure, function and roles of triglycerides, phospholipids and cholesterol in living organisms * The general structure of an amino acid * The synthesis and breakdown of dipeptides and polypeptides * The levels of protein structure * The structure and function of globular proteins * The properties and functions of fibrous proteins * The key inorganic ions involved in biological processes * The chemical tests for proteins, reducing and non-reducing sugars, starch and lipids If you would like to sample the quality of the lessons included in this bundle, then download the following lessons as they have been uploaded for free: * The use of microscopy * The importance of the cytoskeleton * Properties and roles of water * Glucose & ribose * General structure of an amino acid * Dipeptides, polypeptides and protein structure
£20.00
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Module 2.1.1: Cell structure (OCR A-level Biology A)
As cells are the building blocks of living organisms, and Biology is the study of life, it's fairly obvious that a clear understanding of cell structure is going to be critical for the success of an A-level student on the OCR A-level Biology A course. The 6 lessons included in this bundle are highly detailed and have been intricately planned to contain the detail needed at this level and to make links to topics in the other modules of the specification. The lesson PowerPoints and accompanying resources contain a wide range of tasks which will engage and motivate the students whilst covering the following specification points in module 2.1.1: * The use of microscopy to observe and investigate different types of cell and cell structure in a range of eukaryotic organisms * The use of the eyepiece graticule and stage micrometer * The use of staining in light microscopy * The use and manipulation of the magnification formula * The difference between resolution and magnification * The ultrastructure of eukaryotic cells and the functions of the different cellular components * The interrelationship between the organelles involved in the production and secretion of proteins * The importance of the cytoskeleton * The similarities and differences in the structure and ultrastructure of prokaryotic and eukaryotic cells If you would like to sample the quality of the lessons included in this bundle, then download "The use of microscopy" and "cytoskeleton" lessons as these have been uploaded for free
£8.00
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I really like your explanations and links to others topics. This is a really good lesson for a topic not covered in other A-level syllabuses - thank-you for making it free!
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