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Transcript
Year 9 Key Concepts in Biology Topic Checklist: I can: Define the term eukaryotic and prokaryotic cell and give examples of each Describe the structure of an animal cell, including being able to identify and give the functions of: Nucleus Cell membrane Mitochondria Ribosomes Describe the structure of a plant cell, including being able to identify and give the functions of the sub cellular structures listed above and: Cell wall Chloroplasts Vacuole Compare and contrast a plant and animal cell Describe the structure of a bacterial cell, including being able to identify and give the functions of: Chromosomal DNA Plasmid DNA Cell membrane Ribosomes Flagella Compare and contrast a eukaryotic and prokaryotic cell Describe how to use a microscope to view cells Describe how to use a ruler and a microscope to estimate cell size Accurately draw biological specimens, using thin clear lines, labelling the visible structures (e.g. nucleus, cell wall), stating the magnification. Calculate magnifications from an eyepiece and objective lens Estimate the size of a cell from a scale bar Describe how specialised cells are adapted to their function including: sperm cells, including the functions of the acrosome, haploid nucleus, mitochondria and tail egg cells including the functions of the nutrients in the cytoplasm, haploid nucleus and changes in the cell membrane after fertilisation ciliated epithelial cells including the functions of the cilia and mitochondria Explain how changes in microscope technology, including electron microscopy, have enabled us to see cell structures with more clarity and detail than in the past and increased our understanding of the role of sub-cellular structures. Define and correctly use the terms magnification and resolution, and compare these for a light and electron microscope. Demonstrate an understanding of number, size and scale, including the use of estimations and explain when they should be used Understand the relationship between quantitative units in relation to cells, including: milli (10−3) micro (10−6) nano (10−9) pico (10−12) Convert between different measurements including millimetres, micrometers and nanometers. Perform calculations with numbers written in standard form Explain how substances are transported into and out of cells, including by: diffusion, osmosis and active transport