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Resolution. Resolution is the ability to distinguish between two separate points. If two separate points cannot be resolved, they will be observed as one point. The resolution of a light microscope is limited by the wavelength of light. As light passes through the specimen, it will be diffracted. The longer the wavelength of light, the more it ...
Dec 24, 2022 · ” The term magnification is often confused with the term “resolution,” which describes the ability of an imaging system to show detail in the object that is being imaged. While high magnification without high resolution may make very small microbes visible, it will not allow the observer to distinguish between microbes or sub-cellular parts of a microbe.
excel GCSE (9–1) Combined Science - Biology 2-year scheme of workThis document provides a scheme of work for teaching the Biology content from the Pe. rson Edexcel GCSE (9-1) Combined Science specification in 2. ears.Bold text indicates that the content is for Higher Tier only. An asterisk indicates that you may have covered the s.
ent) with the use of energy from respiration.Adult stem cell: A type o. stem cell that can form many types of cells.Agar jelly: A substance placed in petri dish. s which is used to culture microorganisms on. Cell differentiation: The process whe. e a cell becomes specialised to its function. Cell membrane: A partia.
Revision for AQA Biology GCSE, including summary notes, exam questions by topic, flashcards, mind maps and videos for each module
Topic 1: Cell Biology. Active transport: The movement of substances from a more dilute solution to a more concentrated solution (against a concentration gradient) with the use of energy from respiration. Adult stem cell: A type of stem cell that can form many types of cells. Agar jelly: A substance placed in petri dishes which is used to ...
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Lower resolution Higher magnification Higher resolution Can only view dead specimens Views in monochrome (or use false colour) Transmission electron microscopy (TEM) generates cross-sections through a specimen (internal image) Scanning electron microscopy (SEM) generates a surface rendering of a specimen (external image) Actual = Image ÷ ...
