This fully-resourced lesson describes the ultrastructure of eukaryotic cells and the functions of each of the organelles in these cells. The engaging and detailed PowerPoint and accompanying resources have been designed to cover points 3.1, 3.2 & 3.3 of the Edexcel International A-level Biology specification and therefore this lesson also describes how all living organisms are made of cells and that these cells are organised into tissues, organs and organ system in multicellular organisms.
As cells are the building blocks of living organisms, it makes sense that they would be heavily involved in all of the 8 topics in the Edexcel course and intricate planning has ensured that links to previously covered topics as well as upcoming ones are made throughout the lesson. The cell theory is introduced at the start of the lesson and the first 2 principles are explained. Students will see how epithelial cells are grouped together to form different types of epithelium in the respiratory tract and their prior knowledge of gas exchange at the alveoli from topic 2 is tested with a series of questions.
The rest of the lesson uses a wide range of activities, that include exam-style questions, class discussion points and quick quiz competitions, to maintain motivation and engagement whilst describing the relationship between the structure and function of the following organelles:
nucleus
nucleolus
centrioles
ribosomes
rough endoplasmic reticulum
Golgi apparatus
lysosomes
smooth endoplasmic reticulum
mitochondria
cell surface membrane
All of the worksheets have been differentiated to support students of differing abilities whilst maintaining challenge
Due to the detail that is included in this lesson, it is estimated that it will take in excess of 3 hours of allocated A-level teaching time to go through all of the tasks
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Topic 3: Cell structure, Reproduction & Development (Edexcel International A-level Biology)
The locus and linkage, meiosis, differential gene expression and protein transport within cells lessons have been uploaded for free and by downloading these, you will be able to observe the detail of planning that has gone into all of the lessons that are included in this bundle. This intricate planning ensures that the students are engaged and motivated whilst the detailed content of topic 3 (Cell structure, Reproduction and Development) of the Edexcel International A-level Biology specification is covered. The 14 lesson PowerPoints and accompanying resources contain a wide range of activities which cover the following topic 3 specification points: * All living organisms are made of cells * Cells of multicellular organisms are organised into tissues, organs and organ systems * The ultrastructure of eukaryotic cells * The function of the organelles in eukaryotic animal cells * The role of the RER and Golgi apparatus in protein transport within cells * The ultrastructure of prokaryotic cells * Magnification and resolution in light and electron microscopes * The gene locus is the location of a gene on a chromosome * The linkage of genes on a chromosome * The role of meiosis in ensuring genetic variation * Understand how the mammalian gametes are specialised for their functions * The role of mitosis and the cell cycle in growth and asexual reproduction * Calculation of mitotic indices * The meaning of the terms stem cell, pluripotent, totipotent, morula and blastocyst * The decisions that have to be made about the use of stem cells in medical therapies * Cells become specialised through differential gene expression * One gene can give rise to more than one protein through post-transcriptional changes to mRNA * Phenotype is the interaction between genotype and the environment * Epigenetic modifications can alter the activation of certain genes * Some phenotypes are affected by multiple alleles or by polygenic inheritance Due to the detail included in all of these lessons, it is estimated that it will take in excess of 6 weeks of allocated A-level teaching time to complete the teaching of the bundle
£21.00
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The ultrastructure of cells (Edexcel Int. A-level Biology)
This lesson bundle contains 6 lessons which have been designed to cover the Edexcel International A-level Biology specification points which focus on the structure of eukaryotic and prokaryotic cells and the functions of their components. The lesson PowerPoints are highly detailed, and along with the accompanying worksheets, they have been planned at length to contain a wide range of engaging tasks which cover the following A-level Biology content found in topics 2, 3 and 4 of the course: 2.2 (i): Know the structure and function of cell membranes 3.1: Know that all living organisms are made of cells, sharing some common features 3.2: Understand how the cells of multicellular organisms are organised into tissues, tissues into organs and organs into systems 3.3: Know the ultrastructure of eukaryotic cells, including nucleus, nucleolus, ribosomes, rough and smooth endoplasmic reticulum, mitochondria, centrioles, lysosomes, and Golgi apparatus 3.4: Understand the role of the rough endoplasmic reticulum (rER) and the Golgi apparatus in protein transport within cells, including their role in the formation of extracellular enzymes 3.5: Know the ultrastructure of prokaryotic cells, including cell wall, capsule, plasmid, flagellum, pili, ribosomes, mesosomes and circular DNA 3.11: Understand how mammalian gametes are specialised for their functions (including the acrosome in sperm and the zona pellucida in the egg) 4.1 (i): Know the ultrastructure of plant cells (cell walls, chloroplasts, amyloplasts, vacuole, tonoplast, plasmodesmata, pits and middle lamella) and be able to compare it with animal cells 4.1 (ii): understand the function of the structures listed in (i)
£10.00
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